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	<id>https://nv-intl.com/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=VNF</id>
	<title>Night Vision Wiki - User contributions [en]</title>
	<link rel="self" type="application/atom+xml" href="https://nv-intl.com/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=VNF"/>
	<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php/Special:Contributions/VNF"/>
	<updated>2026-05-09T01:10:41Z</updated>
	<subtitle>User contributions</subtitle>
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	<entry>
		<id>https://nv-intl.com/index.php?title=CSF_D-16&amp;diff=3479</id>
		<title>CSF D-16</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=CSF_D-16&amp;diff=3479"/>
		<updated>2025-07-24T02:45:56Z</updated>

		<summary type="html">&lt;p&gt;VNF: did put the article on the format categorie, hopping it worked&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;the D-16 is a french gen 1 image intensifier made by  CSF (Compagnie générale de télégraphie sans fil) in the 60&#039;s  and used  among others in the AMX-30 B-17-A fire periscope, these tubes was mainly used by the french army but was also available for extern military contracts ,nowadays these tube&#039;s are very rare due to the destruction of materials by the army after retirement from service.&lt;br /&gt;
&lt;br /&gt;
thankfully unlike many others french tubes data&#039;s &lt;br /&gt;
who fell in the limbes the data sheet of the D-16 is available in pdf format only in french language.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
the data sheet&lt;br /&gt;
https://frank.pocnet.net/sheets/181/f/F9049.pdf&lt;br /&gt;
&lt;br /&gt;
photo&#039;s of a surviving D-16&lt;br /&gt;
https://lampes-et-tubes.info/ic/ic045.php&lt;br /&gt;
[[Category:Formats]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=CSF_D-16&amp;diff=3478</id>
		<title>CSF D-16</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=CSF_D-16&amp;diff=3478"/>
		<updated>2025-07-21T13:25:58Z</updated>

		<summary type="html">&lt;p&gt;VNF: added the meaning of CSF name&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;the D-16 is a french gen 1 image intensifier made by  CSF (Compagnie générale de télégraphie sans fil) in the 60&#039;s  and used  among others in the AMX-30 B-17-A fire periscope, these tubes was mainly used by the french army but was also available for extern military contracts ,nowadays these tube&#039;s are very rare due to the destruction of materials by the army after retirement from service.&lt;br /&gt;
&lt;br /&gt;
thankfully unlike many others french tubes data&#039;s &lt;br /&gt;
who fell in the limbes the data sheet of the D-16 is available in pdf format only in french language.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
the data sheet&lt;br /&gt;
https://frank.pocnet.net/sheets/181/f/F9049.pdf&lt;br /&gt;
&lt;br /&gt;
photo&#039;s of a surviving D-16&lt;br /&gt;
https://lampes-et-tubes.info/ic/ic045.php&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=CSF_D-16&amp;diff=3477</id>
		<title>CSF D-16</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=CSF_D-16&amp;diff=3477"/>
		<updated>2025-07-20T16:49:06Z</updated>

		<summary type="html">&lt;p&gt;VNF: created CSF D-16 tube page&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;the D-16 is a french gen 1 image intensifier made by  CSF in the 60&#039;s  and used  among others in the AMX-30 B-17-A fire periscope, these tubes was mainly used by the french army but was also available for extern military contracts ,nowadays these tube&#039;s are very rare due to the destruction of materials by the army after retirement from service.&lt;br /&gt;
&lt;br /&gt;
thankfully unlike many others french tubes data&#039;s &lt;br /&gt;
who fell in the limbes the data sheet of the D-16 is available in pdf format only in french language.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
the data sheet&lt;br /&gt;
https://frank.pocnet.net/sheets/181/f/F9049.pdf&lt;br /&gt;
&lt;br /&gt;
photo&#039;s of a surviving D-16&lt;br /&gt;
https://lampes-et-tubes.info/ic/ic045.php&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3389</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3389"/>
		<updated>2025-03-14T18:18:27Z</updated>

		<summary type="html">&lt;p&gt;VNF: added some correction and details&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DI-TT-4A.jpg|thumb|DI-TT-4A on his dedicated tripod]]&lt;br /&gt;
The Iris is a little family of night vision scopes developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the French navy and army.&lt;br /&gt;
&lt;br /&gt;
The device has at least four variants known so far, all using Gen 0 image intensifier tubes.&lt;br /&gt;
&lt;br /&gt;
It is powered by a removable power supply box plugged into the side of the scope and kept in place by metallic belts. All variants require an external power source to be connected to this power supply. These devices were originally assigned to and used on ships or on land, mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
The device is supplied with an additional 24V Heymann ES1 oscillator (navy version Iris 2x67 and Iris 4x100) or a 6V oscillator (army version DI-TT-4A), low voltage cables for connecting to the ship&#039;s power supply (navy version) or to 6V cadmium nickel batteries (army version), an IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope and 6 spare small lightbulb&#039;s for the collimator.&lt;br /&gt;
&lt;br /&gt;
== Variants ==&lt;br /&gt;
&lt;br /&gt;
=== Iris 2x67 ===&lt;br /&gt;
[[File:BA 56M front panel.jpg|thumb|Iris 2x67 and 4x100 power supply front panel]]&lt;br /&gt;
[[File:Teste iris 15 meters 8-5-2024.jpg|thumb|a photo showing the crosshair illuminating directly in the scope , here the device is sideway]]&lt;br /&gt;
[[File:7 mètre avec petite lampe infrarouge 01-03-2025.jpg|thumb|a shot taken 7 meter away, here the crosshair have been removed, the observed subject fully civilian black clothes doesnt wear anything on the head or face,the bright horizontal line is a metallic ladder reflecting the IR light]]&lt;br /&gt;
Navy version which uses the BA 56M 24V power supply plugged into the scope. It is fully painted in a light blue color, however at the begining all these devices had a darker blue navy color that has been covered by the lighter colored paint. The optic is a 67mm lens in a seemingly oversized body, as all  variants of the 50&#039;s use the same chassis.&lt;br /&gt;
&lt;br /&gt;
=== Iris 4x100 ===&lt;br /&gt;
A version of the Iris scope with a bigger 100mm f.1,8 lens giving a 8 degree large vision.&lt;br /&gt;
&lt;br /&gt;
=== DI-TT-4A ===&lt;br /&gt;
The army version using the same chassis  than the others and the same optic than the Iris 4x100, but here it uses a 6V power supply box and conected to a 6V battery by cable. This version is the main part of a whole set deployed by multiple crews that include a 45 centimeter 24V and 250W IR searchlight, a box of batteries  and 2 tripods,the DI-TT-4A is easely reconisable by having certaine parts colored in black instead of being fully mono color.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Iris 2x60&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
the latest member of the Iris family from 1965, it use a diferent more compact and lighter body compared to others  Iris scopes , it also  adopted a white color instead of the usual blue &lt;br /&gt;
&lt;br /&gt;
== Other details ==&lt;br /&gt;
It is believed that all versions from the 50&#039;s use the TV.1.A or TV.1.B image intensifier tube, however its only firmly confirmed for the army version.&lt;br /&gt;
&lt;br /&gt;
All version&#039;s from the 50&#039;s have two anti humidity cartridges inserted in the scope and can be observed trought a round window. Each of them are attached with three screws, the cadridges themself can be unscrewed to be opened for removing the anti humidity sand which can be reused and reinserted in the cartridge after 5 hours at 110°C in the oven, the cartridge is dry when the sand is blue, if the sand is pink/sand colored then the cartridge is humid and needs to be dried out by the manner described above.&lt;br /&gt;
&lt;br /&gt;
All versions do not have any adjustable focus setting, the focus is fixed at 400 meters for the army version of the scope.&lt;br /&gt;
&lt;br /&gt;
The navy version&#039;s collimators use a German style reticle, unknown for the army version.&lt;br /&gt;
&lt;br /&gt;
The army version power supply box delivers 15kV, the scope consumes 0.5A, the navy version is believed to deliver between 10 to 12kV and consumes 0.2A.&lt;br /&gt;
&lt;br /&gt;
The scope itself and the power supply box have each their own distinct serial number, having mismatching serial numbers is not to be considered abnormal.&lt;br /&gt;
&lt;br /&gt;
Due to the non adjustable and rather small eye piece compared to modern standards and the rather low light output on the phosphorous screen, its rather dificult to take pictures or video&#039;s trought the device, the later parameter may depend of each individual scopes since they are all from the 50&#039;s or 60&#039;s for the latest version.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
It have been observed that lightly illuminated elements or near the limite of visible distance when observed trought the scope appear with a grey color  but turn on a more green color when its more strongly illuminated by IR light a phenomene that aparently can be seen irl but hard to capture with camera&#039;s, a strange detail that make the Iris one of the only gen 0 device&#039;s with such screen colors output.&lt;br /&gt;
&lt;br /&gt;
== Warning ==&lt;br /&gt;
For any fortunate owners of the navy version of the device, due to their age it is recommended to power these devices only with 12V instead of 24V to avoiding risks of overheating and damaging the power supply box permanently,indeed the isolant grease used inside the power supply had the time to dry and leave exposed surfaces around the diferent block&#039;s of the said power supply.&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
http://roland.weber4.free.fr/&lt;br /&gt;
&lt;br /&gt;
http://opl.foca.free.fr/viewtopic.php?t=1340&amp;amp;sid=fe1fb6fc0a03d427590fff73250f1d9a&lt;br /&gt;
&lt;br /&gt;
https://www.passionmilitaria.com/t121763-marine-lunette-iris-2x67&lt;br /&gt;
&lt;br /&gt;
http://www.foca-collection.fr/pages_opl/materiels_militaires.html&lt;br /&gt;
[[Category:Devices]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3388</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3388"/>
		<updated>2025-03-13T20:12:34Z</updated>

		<summary type="html">&lt;p&gt;VNF: added Iris 2x60 in the family and a link to the photo&amp;#039;s of the device&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DI-TT-4A.jpg|thumb|DI-TT-4A on his dedicated tripod]]&lt;br /&gt;
The Iris is a little family of night vision scopes developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the French navy and army.&lt;br /&gt;
&lt;br /&gt;
The device has at least four variants known so far, all using Gen 0 image intensifier tubes.&lt;br /&gt;
&lt;br /&gt;
It is powered by a removable power supply box plugged into the side of the scope and kept in place by metallic belts. All variants require an external power source to be connected to this power supply. These devices were originally assigned to and used on ships or on land, mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
The device is supplied with an additional 24V Heymann ES1 oscillator (navy version Iris 2x67 and Iris 4x100) or a 6V oscillator (army version DI-TT-4A), low voltage cables for connecting to the ship&#039;s power supply (navy version) or to 6V cadmium nickel batteries (army version), an IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope and 6 spare small lightbulb&#039;s for the collimator.&lt;br /&gt;
&lt;br /&gt;
== Variants ==&lt;br /&gt;
&lt;br /&gt;
=== Iris 2x67 ===&lt;br /&gt;
[[File:BA 56M front panel.jpg|thumb|Iris 2x67 and 4x100 power supply front panel]]&lt;br /&gt;
[[File:Teste iris 15 meters 8-5-2024.jpg|thumb|a photo showing the crosshair illuminating directly in the scope , here the device is sideway]]&lt;br /&gt;
[[File:7 mètre avec petite lampe infrarouge 01-03-2025.jpg|thumb|a shot taken 7 meter away, here the crosshair have been removed, the observed subject fully civilian black clothes doesnt wear anything on the head or face,the bright horizontal line is a metallic ladder reflecting the IR light]]&lt;br /&gt;
Navy version which uses the BA 56M 24V power supply plugged into the scope. It is fully painted in a light blue color, however at the begining all these devices had a darker blue navy color that has been covered by the lighter colored paint. The optic is a 67mm lens in a seemingly oversized body, as all  variants of the 50&#039;s use the same chassis.&lt;br /&gt;
&lt;br /&gt;
=== Iris 4x100 ===&lt;br /&gt;
A version of the Iris scope with a bigger 100mm f.1,8 lens giving a 8 degree large vision.&lt;br /&gt;
&lt;br /&gt;
=== DI-TT-4A ===&lt;br /&gt;
The army version using the same chassis  than the others and the same optic than the Iris 4x100, but here it uses a 6V power supply box and conected to a 6V battery by cable. This version is the main part of a whole set deployed by multiple crews that include a 45 centimeter 24V and 250W IR searchlight, a box of batteries  and 2 tripods,the DI-TT-4A is easely reconisable by having certaine parts colored in black instead of being fully mono color.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Iris 2x60&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
the latest member of the Iris family from 1965, it use a diferent more compact and lighter body compared to others  Iris scopes , it also  adopted a white color instead of the usual blue &lt;br /&gt;
&lt;br /&gt;
== Other details ==&lt;br /&gt;
It is believed that all versions use the TV.1.A or TV.1.B image intensifier tube, however its only firmly confirmed for the army version.&lt;br /&gt;
&lt;br /&gt;
All version&#039;s have two anti humidity cartridges inserted in the scope and can be observed trought a round window. Each of them are attached with three screws, the cadridges themself can be unscrewed to be opened for removing the anti humidity sand which can be reused and reinserted in the cartridge after 5 hours at 110°C in the oven, the cartridge is dry when the sand is blue, if the sand is pink/sand colored then the cartridge is humid and needs to be dried out by the manner described above.&lt;br /&gt;
&lt;br /&gt;
All versions do not have any adjustable focus setting, the focus is fixed at 400 meters for the army version of the scope.&lt;br /&gt;
&lt;br /&gt;
The navy version&#039;s collimators use a German style reticle, unknown for the army version.&lt;br /&gt;
&lt;br /&gt;
The army version power supply box delivers 15kV, the scope consumes 0.5A, the navy version is believed to deliver between 10 to 12kV and consumes 0.2A.&lt;br /&gt;
&lt;br /&gt;
The scope itself and the power supply box have each their own distinct serial number, having mismatching serial numbers is not to be considered abnormal.&lt;br /&gt;
&lt;br /&gt;
Due to the non adjustable and rather small eye piece compared to modern standards and the rather low light output on the phosphorous screen, its rather dificult to take pictures or video&#039;s trought the device, the later parameter may depend of each individual scopes since they are all from the 50&#039;s.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
It have been observed that lightly illuminated elements or near the limite of visible distance when observed trought the scope appear with a grey color  but turn on a more green color when its more strongly illuminated by IR light a phenomene that aparently can be seen with irl but hard to capturewith camera&#039;s, a strange detail that make the Iris one of the only gen 0 device&#039;s with such screen colors output.&lt;br /&gt;
&lt;br /&gt;
== Warning ==&lt;br /&gt;
For any fortunate owners of the navy version of the device, due to their age it is recommended to power these devices only with 12V instead of 24V to avoiding risks of overheating and damaging the power supply box permanently.&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
http://roland.weber4.free.fr/&lt;br /&gt;
&lt;br /&gt;
http://opl.foca.free.fr/viewtopic.php?t=1340&amp;amp;sid=fe1fb6fc0a03d427590fff73250f1d9a&lt;br /&gt;
&lt;br /&gt;
https://www.passionmilitaria.com/t121763-marine-lunette-iris-2x67&lt;br /&gt;
&lt;br /&gt;
http://www.foca-collection.fr/pages_opl/materiels_militaires.html&lt;br /&gt;
[[Category:Devices]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3387</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3387"/>
		<updated>2025-03-02T04:03:37Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DI-TT-4A.jpg|thumb|DI-TT-4A on his dedicated tripod]]&lt;br /&gt;
The Iris is a little family of night vision scopes developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the French navy and army.&lt;br /&gt;
&lt;br /&gt;
The device has at least three variants known so far, all using Gen 0 image intensifier tubes.&lt;br /&gt;
&lt;br /&gt;
It is powered by a removable power supply box plugged into the side of the scope and kept in place by metallic belts. All variants require an external power source to be connected to this power supply. These devices were originally assigned to and used on ships or on land, mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
The device is supplied with an additional 24V Heymann ES1 oscillator (navy version Iris 2x67 and Iris 4x100) or a 6V oscillator (army version DI-TT-4A), low voltage cables for connecting to the ship&#039;s power supply (navy version) or to 6V cadmium nickel batteries (army version), an IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope and 6 spare small lightbulb&#039;s for the collimator.&lt;br /&gt;
&lt;br /&gt;
== Variants ==&lt;br /&gt;
&lt;br /&gt;
=== Iris 2x67 ===&lt;br /&gt;
[[File:BA 56M front panel.jpg|thumb|Iris 2x67 and 4x100 power supply front panel]]&lt;br /&gt;
[[File:Teste iris 15 meters 8-5-2024.jpg|thumb|a photo showing the crosshair illuminating directly in the scope , here the device is sideway]]&lt;br /&gt;
[[File:7 mètre avec petite lampe infrarouge 01-03-2025.jpg|thumb|a shot taken 7 meter away, here the crosshair have been removed, the observed subject fully civilian black clothes doesnt wear anything on the head or face,the bright horizontal line is a metallic ladder reflecting the IR light]]&lt;br /&gt;
Navy version which uses the BA 56M 24V power supply plugged into the scope. It is fully painted in a light blue color, however at the begining all these devices had a darker blue navy color that has been covered by the lighter colored paint. The optic is a 67mm lens in a seemingly oversized body, as all variants use the same chassis.&lt;br /&gt;
&lt;br /&gt;
=== Iris 4x100 ===&lt;br /&gt;
A version of the Iris scope with a bigger 100mm f.1,8 lens giving a 8 degree large vision.&lt;br /&gt;
&lt;br /&gt;
=== DI-TT-4A ===&lt;br /&gt;
The army version using the same chassis  than the others and the same optic than the Iris 4x100, but here it uses a 6V power supply box and conected to a 6V battery by cable. This version is the main part of a whole set deployed by multiple crews that include a 45 centimeter 24V and 250W IR searchlight, a box of batteries  and 2 tripods,the DI-TT-4A is easely reconisable by having certaine parts colored in black instead of being fully mono color.&lt;br /&gt;
&lt;br /&gt;
== Other details ==&lt;br /&gt;
It is believed that all versions use the TV.1.A or TV.1.B image intensifier tube, however its only firmly confirmed for the army version.&lt;br /&gt;
&lt;br /&gt;
All version&#039;s have two anti humidity cartridges inserted in the scope and can be observed trought a round window. Each of them are attached with three screws, the cadridges themself can be unscrewed to be opened for removing the anti humidity sand which can be reused and reinserted in the cartridge after 5 hours at 110°C in the oven, the cartridge is dry when the sand is blue, if the sand is pink/sand colored then the cartridge is humid and needs to be dried out by the manner described above.&lt;br /&gt;
&lt;br /&gt;
All versions do not have any adjustable focus setting, the focus is fixed at 400 meters for the army version of the scope.&lt;br /&gt;
&lt;br /&gt;
The navy version&#039;s collimators use a German style reticle, unknown for the army version.&lt;br /&gt;
&lt;br /&gt;
The army version power supply box delivers 15kV, the scope consumes 0.5A, the navy version is believed to deliver between 10 to 12kV and consumes 0.2A.&lt;br /&gt;
&lt;br /&gt;
The scope itself and the power supply box have each their own distinct serial number, having mismatching serial numbers is not to be considered abnormal.&lt;br /&gt;
&lt;br /&gt;
Due to the non adjustable and rather small eye piece compared to modern standards and the rather low light output on the phosphorous screen, its rather dificult to take pictures or video&#039;s trought the device, the later parameter may depend of each individual scopes since they are all from the 50&#039;s.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
It have been observed that lightly illuminated elements or near the limite of visible distance when observed trought the scope appear with a grey color  but turn on a more green color when its more strongly illuminated by IR light a phenomene that aparently can be seen with irl but hard to capturewith camera&#039;s, a strange detail that make the Iris one of the only gen 0 device&#039;s with such screen colors output.&lt;br /&gt;
&lt;br /&gt;
== Warning ==&lt;br /&gt;
For any fortunate owners of the navy version of the device, due to their age it is recommended to power these devices only with 12V instead of 24V to avoiding risks of overheating and damaging the power supply box permanently.&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
http://roland.weber4.free.fr/&lt;br /&gt;
&lt;br /&gt;
http://opl.foca.free.fr/viewtopic.php?t=1340&amp;amp;sid=fe1fb6fc0a03d427590fff73250f1d9a&lt;br /&gt;
&lt;br /&gt;
https://www.passionmilitaria.com/t121763-marine-lunette-iris-2x67&lt;br /&gt;
[[Category:Devices]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3386</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3386"/>
		<updated>2025-03-02T04:00:41Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DI-TT-4A.jpg|thumb|DI-TT-4A on his dedicated tripod]]&lt;br /&gt;
The Iris is a little family of night vision scopes developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the French navy and army.&lt;br /&gt;
&lt;br /&gt;
The device has at least three variants known so far, all using Gen 0 image intensifier tubes.&lt;br /&gt;
&lt;br /&gt;
It is powered by a removable power supply box plugged into the side of the scope and kept in place by metallic belts. All variants require an external power source to be connected to this power supply. These devices were originally assigned to and used on ships or on land, mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
The device is supplied with an additional 24V Heymann ES1 oscillator (navy version Iris 2x67 and Iris 4x100) or a 6V oscillator (army version DI-TT-4A), low voltage cables for connecting to the ship&#039;s power supply (navy version) or to 6V cadmium nickel batteries (army version), an IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope and 6 spare small lightbulb&#039;s for the collimator.&lt;br /&gt;
&lt;br /&gt;
== Variants ==&lt;br /&gt;
&lt;br /&gt;
=== Iris 2x67 ===&lt;br /&gt;
[[File:BA 56M front panel.jpg|thumb|Iris 2x67 and 4x100 power supply front panel]]&lt;br /&gt;
[[File:Teste iris 15 meters 8-5-2024.jpg|thumb|a photo showing the crosshair illuminating directly in the scope , here the device is sideway]]&lt;br /&gt;
[[File:7 mètre avec petite lampe infrarouge 01-03-2025.jpg|thumb|a shot taken 7 meter away, here the crosshair have been removed, the observed subject fully civilian black clothes doesnt wear anything on the head or face,the bright horizontal line is a metallic ladder reflecting the IR light]]&lt;br /&gt;
Navy version which uses the BA 56M 24V power supply plugged into the scope. It is fully painted in a light blue color, however at the begining all these devices had a darker blue navy color that has been covered by the lighter colored paint. The optic is a 67mm lens in a seemingly oversized body, as all variants use the same chassis.&lt;br /&gt;
&lt;br /&gt;
=== Iris 4x100 ===&lt;br /&gt;
A version of the Iris scope with a bigger 100mm f.1,8 lens giving a 8 degree large vision.&lt;br /&gt;
&lt;br /&gt;
=== DI-TT-4A ===&lt;br /&gt;
The army version using the same chassis  than the others and the same optic than the Iris 4x100, but here it uses a 6V power supply box and conected to a 6V battery by cable. This version is the main part of a whole set deployed by multiple crews that include a 45 centimeter 24V and 250W IR searchlight, a box of batteries  and 2 tripods,the DI-TT-4A is easely reconisable by having certaine parts colored in black instead of being fully mono color.&lt;br /&gt;
&lt;br /&gt;
== Other details ==&lt;br /&gt;
It is believed that all versions use the TV.1.A or TV.1.B image intensifier tube, however its only firmly confirmed for the army version.&lt;br /&gt;
&lt;br /&gt;
All version&#039;s have two anti humidity cartridges inserted in the scope and can be observed trought a round window. Each of them are attached with three screws, the cadridges themself can be unscrewed to be opened for removing the anti humidity sand which can be reused and reinserted in the cartridge after 5 hours at 110°C in the oven, the cartridge is dry when the sand is blue, if the sand is pink/sand colored then the cartridge is humid and needs to be dried out by the manner described above.&lt;br /&gt;
&lt;br /&gt;
All versions do not have any adjustable focus setting, the focus is fixed at 400 meters for the army version of the scope.&lt;br /&gt;
&lt;br /&gt;
The navy version&#039;s collimators use a German style reticle, unknown for the army version.&lt;br /&gt;
&lt;br /&gt;
The army version power supply box delivers 15kV, the scope consumes 0.5A, the navy version is believed to deliver between 10 to 12kV and consumes 0.2A.&lt;br /&gt;
&lt;br /&gt;
The scope itself and the power supply box have each their own distinct serial number, having mismatching serial numbers is not to be considered abnormal.&lt;br /&gt;
&lt;br /&gt;
Due to the non adjustable and rather small eye piece compared to modern standards and the rather low light output on the phosphorous screen, its rather dificult to take pictures or video&#039;s trought the device, the later parameter may depend of each individual scopes since they are all from the 50&#039;s.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
It have been observed that lightly illuminated elements or near the limite of visible distance when observed trought the scope appear with a grey color  but turn on a more green color when its more strongly illuminated by IR light a strange detail that make the Iris one of the only gen 0 device&#039;s with such screen colors.&lt;br /&gt;
&lt;br /&gt;
== Warning ==&lt;br /&gt;
For any fortunate owners of the navy version of the device, due to their age it is recommended to power these devices only with 12V instead of 24V to avoiding risks of overheating and damaging the power supply box permanently.&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
http://roland.weber4.free.fr/&lt;br /&gt;
&lt;br /&gt;
http://opl.foca.free.fr/viewtopic.php?t=1340&amp;amp;sid=fe1fb6fc0a03d427590fff73250f1d9a&lt;br /&gt;
&lt;br /&gt;
https://www.passionmilitaria.com/t121763-marine-lunette-iris-2x67&lt;br /&gt;
[[Category:Devices]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3385</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3385"/>
		<updated>2025-03-02T03:49:50Z</updated>

		<summary type="html">&lt;p&gt;VNF: added photos&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DI-TT-4A.jpg|thumb|DI-TT-4A on his dedicated tripod]]&lt;br /&gt;
The Iris is a little family of night vision scopes developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the French navy and army.&lt;br /&gt;
&lt;br /&gt;
The device has at least three variants known so far, all using Gen 0 image intensifier tubes.&lt;br /&gt;
&lt;br /&gt;
It is powered by a removable power supply box plugged into the side of the scope and kept in place by metallic belts. All variants require an external power source to be connected to this power supply. These devices were originally assigned to and used on ships or on land, mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
The device is supplied with an additional 24V Heymann ES1 oscillator (navy version Iris 2x67 and Iris 4x100) or a 6V oscillator (army version DI-TT-4A), low voltage cables for connecting to the ship&#039;s power supply (navy version) or to 6V cadmium nickel batteries (army version), an IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope and 6 spare small lightbulb&#039;s for the collimator.&lt;br /&gt;
&lt;br /&gt;
== Variants ==&lt;br /&gt;
&lt;br /&gt;
=== Iris 2x67 ===&lt;br /&gt;
[[File:BA 56M front panel.jpg|thumb|Iris 2x67 and 4x100 power supply front panel]]&lt;br /&gt;
[[File:Teste iris 15 meters 8-5-2024.jpg|thumb|a photo showing the crosshair illuminating directly in the scope , here the device is sideway]]&lt;br /&gt;
[[File:7 mètre avec petite lampe infrarouge 01-03-2025.jpg|thumb|a shot taken 7 meter away, here the crosshair have been removed, the observed subject fully civilian black clothes doesnt wear anything on the head or face,the bright horizontal line is a metallic ladder reflecting the IR light]]&lt;br /&gt;
Navy version which uses the BA 56M 24V power supply plugged into the scope. It is fully painted in a light blue color, however at the begining all these devices had a darker blue navy color that has been covered by the lighter colored paint. The optic is a 67mm lens in a seemingly oversized body, as all variants use the same chassis.&lt;br /&gt;
&lt;br /&gt;
=== Iris 4x100 ===&lt;br /&gt;
A version of the Iris scope with a bigger 100mm f.1,8 lens giving a 8 degree large vision.&lt;br /&gt;
&lt;br /&gt;
=== DI-TT-4A ===&lt;br /&gt;
The army version using the same chassis  than the others and the same optic than the Iris 4x100, but here it uses a 6V power supply box and conected to a 6V battery by cable. This version is the main part of a whole set deployed by multiple crews that include a 45 centimeter 24V and 250W IR searchlight, a box of batteries  and 2 tripods,the DI-TT-4A is easely reconisable by having certaine parts colored in black instead of being fully mono color.&lt;br /&gt;
&lt;br /&gt;
== Other details ==&lt;br /&gt;
It is believed that all versions use the TV.1.A or TV.1.B image intensifier tube, however its only firmly confirmed for the army version.&lt;br /&gt;
&lt;br /&gt;
All version&#039;s have two anti humidity cartridges inserted in the scope and can be observed trought a round window. Each of them are attached with three screws, the cadridges themself can be unscrewed to be opened for removing the anti humidity sand which can be reused and reinserted in the cartridge after 5 hours at 110°C in the oven, the cartridge is dry when the sand is blue, if the sand is pink/sand colored then the cartridge is humid and needs to be dried out by the manner described above.&lt;br /&gt;
&lt;br /&gt;
All versions do not have any adjustable focus setting, the focus is fixed at 400 meters for the army version of the scope.&lt;br /&gt;
&lt;br /&gt;
The navy version&#039;s collimators use a German style reticle, unknown for the army version.&lt;br /&gt;
&lt;br /&gt;
The army version power supply box delivers 15kV, the scope consumes 0.5A, the navy version is believed to deliver between 10 to 12kV and consumes 0.2A.&lt;br /&gt;
&lt;br /&gt;
The scope itself and the power supply box have each their own distinct serial number, having mismatching serial numbers is not to be considered abnormal.&lt;br /&gt;
&lt;br /&gt;
Due to the non adjustable and rather small eye piece compared to modern standards and the rather low light output on the phosphorous screen, its rather dificult to take pictures or video&#039;s trought the device, the later parameter may depend of each individual scopes since they are all from the 50&#039;s &lt;br /&gt;
&lt;br /&gt;
== Warning ==&lt;br /&gt;
For any fortunate owners of the navy version of the device, due to their age it is recommended to power these devices only with 12V instead of 24V to avoiding risks of overheating and damaging the power supply box permanently.&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
http://roland.weber4.free.fr/&lt;br /&gt;
&lt;br /&gt;
http://opl.foca.free.fr/viewtopic.php?t=1340&amp;amp;sid=fe1fb6fc0a03d427590fff73250f1d9a&lt;br /&gt;
&lt;br /&gt;
https://www.passionmilitaria.com/t121763-marine-lunette-iris-2x67&lt;br /&gt;
[[Category:Devices]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=File:7_m%C3%A8tre_avec_petite_lampe_infrarouge_01-03-2025.jpg&amp;diff=3384</id>
		<title>File:7 mètre avec petite lampe infrarouge 01-03-2025.jpg</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=File:7_m%C3%A8tre_avec_petite_lampe_infrarouge_01-03-2025.jpg&amp;diff=3384"/>
		<updated>2025-03-02T03:46:10Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;a shot taken 7 meter away with the Iris, here the sight have been removed the observed subject fully civilian clothed doesnt wear anything on the head or face&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=File:Teste_iris_15_meters_8-5-2024.jpg&amp;diff=3383</id>
		<title>File:Teste iris 15 meters 8-5-2024.jpg</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=File:Teste_iris_15_meters_8-5-2024.jpg&amp;diff=3383"/>
		<updated>2025-03-02T03:42:38Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;here a photo taken trought the Iris  showing the sight, the device currently sideway&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3382</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3382"/>
		<updated>2025-03-02T03:40:19Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DI-TT-4A.jpg|thumb|DI-TT-4A on his dedicated tripod]]&lt;br /&gt;
The Iris is a little family of night vision scopes developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the French navy and army.&lt;br /&gt;
&lt;br /&gt;
The device has at least three variants known so far, all using Gen 0 image intensifier tubes.&lt;br /&gt;
&lt;br /&gt;
It is powered by a removable power supply box plugged into the side of the scope and kept in place by metallic belts. All variants require an external power source to be connected to this power supply. These devices were originally assigned to and used on ships or on land, mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
The device is supplied with an additional 24V Heymann ES1 oscillator (navy version Iris 2x67 and Iris 4x100) or a 6V oscillator (army version DI-TT-4A), low voltage cables for connecting to the ship&#039;s power supply (navy version) or to 6V cadmium nickel batteries (army version), an IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope and 6 spare small lightbulb&#039;s for the collimator.&lt;br /&gt;
&lt;br /&gt;
== Variants ==&lt;br /&gt;
&lt;br /&gt;
=== Iris 2x67 ===&lt;br /&gt;
[[File:BA 56M front panel.jpg|thumb|Iris 2x67 and 4x100 power supply front panel]]&lt;br /&gt;
Navy version which uses the BA 56M 24V power supply plugged into the scope. It is fully painted in a light blue color, however at the begining all these devices had a darker blue navy color that has been covered by the lighter colored paint. The optic is a 67mm lens in a seemingly oversized body, as all variants use the same chassis.&lt;br /&gt;
&lt;br /&gt;
=== Iris 4x100 ===&lt;br /&gt;
A version of the Iris scope with a bigger 100mm f.1,8 lens giving a 8 degree large vision.&lt;br /&gt;
&lt;br /&gt;
=== DI-TT-4A ===&lt;br /&gt;
The army version using the same chassis  than the others and the same optic than the Iris 4x100, but here it uses a 6V power supply box and conected to a 6V battery by cable. This version is the main part of a whole set deployed by multiple crews that include a 45 centimeter 24V and 250W IR searchlight, a box of batteries  and 2 tripods,the DI-TT-4A is easely reconisable by having certaine parts colored in black instead of being fully mono color.&lt;br /&gt;
&lt;br /&gt;
== Other details ==&lt;br /&gt;
It is believed that all versions use the TV.1.A or TV.1.B image intensifier tube, however its only firmly confirmed for the army version.&lt;br /&gt;
&lt;br /&gt;
All version&#039;s have two anti humidity cartridges inserted in the scope and can be observed trought a round window. Each of them are attached with three screws, the cadridges themself can be unscrewed to be opened for removing the anti humidity sand which can be reused and reinserted in the cartridge after 5 hours at 110°C in the oven, the cartridge is dry when the sand is blue, if the sand is pink/sand colored then the cartridge is humid and needs to be dried out by the manner described above.&lt;br /&gt;
&lt;br /&gt;
All versions do not have any adjustable focus setting, the focus is fixed at 400 meters for the army version of the scope.&lt;br /&gt;
&lt;br /&gt;
The navy version&#039;s collimators use a German style reticle, unknown for the army version.&lt;br /&gt;
&lt;br /&gt;
The army version power supply box delivers 15kV, the scope consumes 0.5A, the navy version is believed to deliver between 10 to 12kV and consumes 0.2A.&lt;br /&gt;
&lt;br /&gt;
The scope itself and the power supply box have each their own distinct serial number, having mismatching serial numbers is not to be considered abnormal.&lt;br /&gt;
&lt;br /&gt;
Due to the non adjustable and rather small eye piece compared to modern standards and the rather low light output on the phosphorous screen, its rather dificult to take pictures or video&#039;s trought the device, the later parameter may depend of each individual scopes since they are all from the 50&#039;s &lt;br /&gt;
&lt;br /&gt;
== Warning ==&lt;br /&gt;
For any fortunate owners of the navy version of the device, due to their age it is recommended to power these devices only with 12V instead of 24V to avoiding risks of overheating and damaging the power supply box permanently.&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
http://roland.weber4.free.fr/&lt;br /&gt;
&lt;br /&gt;
http://opl.foca.free.fr/viewtopic.php?t=1340&amp;amp;sid=fe1fb6fc0a03d427590fff73250f1d9a&lt;br /&gt;
&lt;br /&gt;
https://www.passionmilitaria.com/t121763-marine-lunette-iris-2x67&lt;br /&gt;
[[Category:Devices]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=DIPT-10A&amp;diff=3307</id>
		<title>DIPT-10A</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=DIPT-10A&amp;diff=3307"/>
		<updated>2024-11-20T17:01:15Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DIPT-10A 1.jpg|thumb|DIPT-10A with the day caps on]]&lt;br /&gt;
the DIPT-10A is a passive french autogated gen 2 binocular nvg adopted in the early 80&#039;s  for the french army (army name OB-41A)&lt;br /&gt;
&lt;br /&gt;
the binocular is for multiple use with his 33 degree&#039;s of angle of view F1.0 optic&#039;s and a minimal focus distance of 30 centimeters , the device weight 1 kilo and have his own head attachement&#039;s&lt;br /&gt;
&lt;br /&gt;
the device is equiped with a integrated infrared diode to use only in absence of any lights, the device have a 3 position switch: Arret/off Marche/on and Lamp/light, the last position need to have the rotative switch pushed slightly forward to be reach for avoiding accidental turn on &lt;br /&gt;
&lt;br /&gt;
the device use 2.7v BA1567 battery wich give it 20 hours autonomie or 10 hours if the light is always turned on,the gain is automatiquely regulated depending the light received in the tube&#039;s &lt;br /&gt;
&lt;br /&gt;
sadly the model of the intensification tubes are unknown  the very little info&#039;s available talk about micro channel gen 2 tube&#039;s &lt;br /&gt;
&lt;br /&gt;
the first prototypes of the device are made between 1973 and 74 and experimentations begin between 1974 and 75&lt;br /&gt;
&lt;br /&gt;
both ocular&#039;s have eyes settings from -4 to +4.5&lt;br /&gt;
[[File:DIPT-10A back.jpg|thumb|back of the device with the switch and the eyes setting visible]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=DIPT-10A&amp;diff=3306</id>
		<title>DIPT-10A</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=DIPT-10A&amp;diff=3306"/>
		<updated>2024-11-20T15:46:23Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DIPT-10A 1.jpg|thumb|DIPT-10A with the day caps on]]&lt;br /&gt;
the DIPT-10A is a passive french autogated gen 2 binocular nvg made in the early 80&#039;s  for the french army (army name OB-41A)&lt;br /&gt;
&lt;br /&gt;
the binocular is for multiple use with his 33 degree&#039;s of angle of view F1.0 optic&#039;s and a minimal focus distance of 30 centimeters , the device weight 1 kilo and have his own head attachement&#039;s&lt;br /&gt;
&lt;br /&gt;
the device is equiped with a integrated infrared diode to use only in absence of any lights, the device have a 3 position switch: Arret/off Marche/on and Lamp/light, the last position need to have the rotative switch pushed slightly forward to be reach for avoiding accidental turn on &lt;br /&gt;
&lt;br /&gt;
the device use 2.7v BA1567 battery wich give it 20 hours autonomie or 10 hours if the light is always turned on,the gain is automatiquely regulated depending the light received in the tube&#039;s &lt;br /&gt;
&lt;br /&gt;
sadly the model of the intensification tubes are unknown  the very little info&#039;s available talk about micro channel gen 2 tube&#039;s &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
both ocular&#039;s have eyes settings from -4 to +4.5&lt;br /&gt;
[[File:DIPT-10A back.jpg|thumb|back of the device with the switch and the eyes setting visible]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=DIPT-10A&amp;diff=3202</id>
		<title>DIPT-10A</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=DIPT-10A&amp;diff=3202"/>
		<updated>2024-10-18T22:18:55Z</updated>

		<summary type="html">&lt;p&gt;VNF: Created page with &amp;quot;DIPT-10A with the day caps on the DIPT-10A is a passive french autogated gen 2(non confirmed if its a gen 1 or 2 ) binocular nvg made in the early 80&amp;#039;s  for the french army (army name OB-41A)  the binocular is for multiple use with his 33 degree&amp;#039;s of angle of view F1.0 optic&amp;#039;s and a minimal focus distance of 30 centimeters , the device weight 1 kilo and have his own head attachement&amp;#039;s  the device is equiped with a integrated infrared diode t...&amp;quot;&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DIPT-10A 1.jpg|thumb|DIPT-10A with the day caps on]]&lt;br /&gt;
the DIPT-10A is a passive french autogated gen 2(non confirmed if its a gen 1 or 2 ) binocular nvg made in the early 80&#039;s  for the french army (army name OB-41A)&lt;br /&gt;
&lt;br /&gt;
the binocular is for multiple use with his 33 degree&#039;s of angle of view F1.0 optic&#039;s and a minimal focus distance of 30 centimeters , the device weight 1 kilo and have his own head attachement&#039;s&lt;br /&gt;
&lt;br /&gt;
the device is equiped with a integrated infrared diode to use only in absence of any lights, the device have a 3 position switch: Arret/off Marche/on and Lamp/light, the last position need to have the rotative switch pushed slightly forward to be reach for avoiding accidental turn on &lt;br /&gt;
&lt;br /&gt;
the device use 2.7v BA1567 battery wich give it 20 hours autonomie or 10 hours if the light is always turned on,the gain is automatiquely regulated depending the light received in the tube&#039;s &lt;br /&gt;
&lt;br /&gt;
sadly the model of the intensification tubes are unknown  the very little info&#039;s available talk about micro channel tube&#039;s &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
both ocular&#039;s have eyes settings from -4 to +4.5&lt;br /&gt;
[[File:DIPT-10A back.jpg|thumb|back of the device with the switch and the eyes setting visible]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=File:DIPT-10A_back.jpg&amp;diff=3201</id>
		<title>File:DIPT-10A back.jpg</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=File:DIPT-10A_back.jpg&amp;diff=3201"/>
		<updated>2024-10-18T22:15:55Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;DIPT-10A back pic&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=File:DIPT-10A_1.jpg&amp;diff=3200</id>
		<title>File:DIPT-10A 1.jpg</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=File:DIPT-10A_1.jpg&amp;diff=3200"/>
		<updated>2024-10-18T22:13:18Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;DIPT-10A with the caps on&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3104</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3104"/>
		<updated>2024-09-30T13:21:11Z</updated>

		<summary type="html">&lt;p&gt;VNF: added a photo of the front panel of the BA 56M power supply box&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DI-TT-4A.jpg|thumb|DI-TT-4A on his dedicated tripod]]&lt;br /&gt;
The Iris is a little family of night vision scopes developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the French navy and army.&lt;br /&gt;
&lt;br /&gt;
The device has at least three variants known so far, all using Gen 0 image intensifier tubes.&lt;br /&gt;
&lt;br /&gt;
It is powered by a removable power supply box plugged into the side of the scope and kept in place by metallic belts. All variants require an external power source to be connected to this power supply. These devices were originally assigned to and used on ships or on land, mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
The device is supplied with an additional 24V Heymann ES1 oscillator (navy version Iris 2x67 and Iris 4x100) or a 6V oscillator (army version DI-TT-4A), low voltage cables for connecting to the ship&#039;s power supply (navy version) or to 6V cadmium nickel batteries (army version), an IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope and 6 spare small lightbulb&#039;s for the collimator.&lt;br /&gt;
&lt;br /&gt;
== Variants ==&lt;br /&gt;
&lt;br /&gt;
=== Iris 2x67 ===&lt;br /&gt;
[[File:BA 56M front panel.jpg|thumb|Iris 2x67 and 4x100 power supply front panel]]&lt;br /&gt;
Navy version which uses the BA 56M 24V power supply plugged into the scope. It is fully painted in a light blue color, however at the begining all these devices had a darker blue navy color that has been covered by the lighter colored paint. The optic is a 67mm lens in a seemingly oversized body, as all variants use the same chassis.&lt;br /&gt;
&lt;br /&gt;
=== Iris 4x100 ===&lt;br /&gt;
A version of the Iris scope with a bigger 100mm f.1,8 lens giving a 8 degree large vision.&lt;br /&gt;
&lt;br /&gt;
=== DI-TT-4A ===&lt;br /&gt;
The army version using the same chassis  than the others and the same optic than the Iris 4x100, but here it uses a 6V power supply box and conected to a 6V battery by cable. This version is the main part of a whole set deployed by multiple crews that include a 45 centimeter 24V and 250W IR searchlight, a box of batteries  and 2 tripods,the DI-TT-4A is easely reconisable by having certaine parts colored in black instead of being fully mono color.&lt;br /&gt;
&lt;br /&gt;
== Other details ==&lt;br /&gt;
It is believed that all versions use the TV.1.A or TV.1.B image intensifier tube, however its only firmly confirmed for the army version.&lt;br /&gt;
&lt;br /&gt;
All version&#039;s have two anti humidity cartridges inserted in the scope and can be observed trought a round window. Each of them are attached with three screws, the cadridges themself can be unscrewed to be opened for removing the anti humidity sand which can be reused and reinserted in the cartridge after 5 hours at 110°C in the oven, the cartridge is dry when the sand is blue, if the sand is pink/sand colored then the cartridge is humid and needs to be dried out by the manner described above.&lt;br /&gt;
&lt;br /&gt;
All versions do not have any adjustable focus setting, the focus is fixed at 400 meters for the army version of the scope.&lt;br /&gt;
&lt;br /&gt;
The navy version&#039;s collimators use a German style reticle, unknown for the army version.&lt;br /&gt;
&lt;br /&gt;
The army version power supply box delivers 15kV, the scope consumes 0.5A, the navy version is believed to deliver between 10 to 12kV and consumes 0.2A.&lt;br /&gt;
&lt;br /&gt;
The scope itself and the power supply box have each their own distinct serial number, having mismatching serial numbers is not to be considered abnormal.&lt;br /&gt;
&lt;br /&gt;
== Warning ==&lt;br /&gt;
For any fortunate owners of the navy version of the device, due to their age it is recommended to power these devices only with 12V instead of 24V to avoiding risks of overheating and damaging the power supply box permanently.&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
http://roland.weber4.free.fr/&lt;br /&gt;
&lt;br /&gt;
http://opl.foca.free.fr/viewtopic.php?t=1340&amp;amp;sid=fe1fb6fc0a03d427590fff73250f1d9a&lt;br /&gt;
&lt;br /&gt;
https://www.passionmilitaria.com/t121763-marine-lunette-iris-2x67&lt;br /&gt;
[[Category:Devices]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=File:BA_56M_front_panel.jpg&amp;diff=3103</id>
		<title>File:BA 56M front panel.jpg</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=File:BA_56M_front_panel.jpg&amp;diff=3103"/>
		<updated>2024-09-30T13:17:45Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;the iris 2x67 and 4x100 power supply box front panel&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3090</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3090"/>
		<updated>2024-09-23T07:38:10Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DI-TT-4A.jpg|thumb|DI-TT-4A on his dedicated tripod]]&lt;br /&gt;
The Iris is a little family of night vision scopes developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the French navy and army.&lt;br /&gt;
&lt;br /&gt;
The device has at least three variants known so far, all using Gen 0 image intensifier tubes.&lt;br /&gt;
&lt;br /&gt;
It is powered by a removable power supply box plugged into the side of the scope and kept in place by metallic belts. All variants require an external power source to be connected to this power supply. These devices were originally assigned to and used on ships or on land, mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
The device is supplied with an additional 24V Heymann ES1 oscillator (navy version Iris 2x67 and Iris 4x100) or a 6V oscillator (army version DI-TT-4A), low voltage cables for connecting to the ship&#039;s power supply (navy version) or to 6V cadmium nickel batteries (army version), an IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope and 6 spare small lightbulb&#039;s for the collimator.&lt;br /&gt;
&lt;br /&gt;
== Variants ==&lt;br /&gt;
&lt;br /&gt;
=== Iris 2x67 ===&lt;br /&gt;
Navy version which uses the BA 56M 24V power supply plugged into the scope. It is fully painted in a light blue color, however at the begining all these devices had a darker blue navy color that has been covered by the lighter colored paint. The optic is a 67mm lens in a seemingly oversized body, as all variants use the same chassis.&lt;br /&gt;
&lt;br /&gt;
=== Iris 4x100 ===&lt;br /&gt;
A version of the Iris scope with a bigger 100mm f.1,8 lens giving a 8 degree large vision.&lt;br /&gt;
&lt;br /&gt;
=== DI-TT-4A ===&lt;br /&gt;
The army version using the same chassis  than the others and the same optic than the Iris 4x100, but here it uses a 6V power supply box and conected to a 6V battery by cable. This version is the main part of a whole set deployed by multiple crews that include a 45 centimeter 24V and 250W IR searchlight, a box of batteries  and 2 tripods,the DI-TT-4A is easely reconisable by having certaine parts colored in black instead of being fully mono color.&lt;br /&gt;
&lt;br /&gt;
== Other details ==&lt;br /&gt;
It is believed that all versions use the TV.1.A or TV.1.B image intensifier tube, however its only firmly confirmed for the army version.&lt;br /&gt;
&lt;br /&gt;
All version&#039;s have two anti humidity cartridges inserted in the scope and can be observed trought a round window. Each of them are attached with three screws, the cadridges themself can be unscrewed to be opened for removing the anti humidity sand which can be reused and reinserted in the cartridge after 5 hours at 110°C in the oven, the cartridge is dry when the sand is blue, if the sand is pink/sand colored then the cartridge is humid and needs to be dried out by the manner described above.&lt;br /&gt;
&lt;br /&gt;
All versions do not have any adjustable focus setting, the focus is fixed at 400 meters for the army version of the scope.&lt;br /&gt;
&lt;br /&gt;
The navy version&#039;s collimators use a German style reticle, unknown for the army version.&lt;br /&gt;
&lt;br /&gt;
The army version power supply box deliver 15kv , the scope consume 0.5 A, the navy version is believed to deliver between 10 to 12kv  and consume 0.2 A&lt;br /&gt;
&lt;br /&gt;
The scope itself  and the power supply box have each their own distinct serial number&#039;s , having the two not having matching serial number&#039;s is not to be considered abnormal&lt;br /&gt;
&lt;br /&gt;
== Warning ==&lt;br /&gt;
For any fortunate owners of the navy version of the device, due to their age it is recommended to power these devices only with 12V instead of 24V to avoiding risks of overheating and damaging the power supply box permanently.&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
http://roland.weber4.free.fr/&lt;br /&gt;
&lt;br /&gt;
http://opl.foca.free.fr/viewtopic.php?t=1340&amp;amp;sid=fe1fb6fc0a03d427590fff73250f1d9a&lt;br /&gt;
&lt;br /&gt;
https://www.passionmilitaria.com/t121763-marine-lunette-iris-2x67&lt;br /&gt;
[[Category:Devices]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3087</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3087"/>
		<updated>2024-09-22T14:25:25Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DI-TT-4A.jpg|thumb|DI-TT-4A on his dedicated tripod]]&lt;br /&gt;
The Iris is a little family of night vision scopes developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the French navy and army.&lt;br /&gt;
&lt;br /&gt;
The device has at least three variants known so far, all using Gen 0 image intensifier tubes.&lt;br /&gt;
&lt;br /&gt;
It is powered by a removable power supply box plugged into the side of the scope and kept in place by metallic belts. All variants require an external power source to be connected to this power supply. These devices were originally assigned to and used on ships or on land, mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
The device is supplied with an additional 24V Heymann ES1 oscillator (navy version Iris 2x67 and Iris 4x100) or a 6V oscillator (army version DI-TT-4A), low voltage cables for connecting to the ship&#039;s power supply (navy version) or to 6V cadmium nickel batteries (army version), an IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope and 6 spare small lightbulb&#039;s for the collimator.&lt;br /&gt;
&lt;br /&gt;
== Variants ==&lt;br /&gt;
&lt;br /&gt;
=== Iris 2x67 ===&lt;br /&gt;
Navy version which uses the BA 56M 24V power supply plugged into the scope. It is fully painted in a light blue color, however at the begining all these devices had a darker blue navy color that has been covered by the lighter colored paint. The optic is a 67mm lens in a seemingly oversized body, as all variants use the same chassis.&lt;br /&gt;
&lt;br /&gt;
=== Iris 4x100 ===&lt;br /&gt;
A version of the Iris scope with a bigger 100mm f.1,8 lens giving a 8 degree large vision.&lt;br /&gt;
&lt;br /&gt;
=== DI-TT-4A ===&lt;br /&gt;
The army version using the same chassis  than the others and the same optic than the Iris 4x100, but here it uses a 6V power supply box and conected to a 6V battery by cable. This version is the main part of a whole set deployed by multiple crews that include a 45 centimeter 24V and 250W IR searchlight, a box of batteries  and 2 tripods,the DI-TT-4A is easely reconisable by having certaine parts colored in black instead of being fully mono color.&lt;br /&gt;
&lt;br /&gt;
== Other details ==&lt;br /&gt;
It is believed that all versions use the TV.1.A or TV.1.B image intensifier tube, however its only firmly confirmed for the army version.&lt;br /&gt;
&lt;br /&gt;
All version&#039;s have two anti humidity cartridges inserted in the scope and can be observed trought a round window. Each of them are attached with three screws, the cadridges themself can be unscrewed to be opened for removing the anti humidity sand which can be reused and reinserted in the cartridge after 5 hours at 110°C in the oven, the cartridge is dry when the sand is blue, if the sand is pink/sand colored then the cartridge is humid and needs to be dried out by the manner described above.&lt;br /&gt;
&lt;br /&gt;
All versions do not have any adjustable focus setting, the focus is fixed at 400 meters for the army version of the scope.&lt;br /&gt;
&lt;br /&gt;
The navy version&#039;s collimators use a German style reticle, unknown for the army version.&lt;br /&gt;
&lt;br /&gt;
The army version power supply box deliver 15kv , the scope consume 0.5 A, the navy version is believed to deliver between 10 to 12kv  and consume 0.2 A&lt;br /&gt;
&lt;br /&gt;
== Warning ==&lt;br /&gt;
For any fortunate owners of the navy version of the device, due to their age it is recommended to power these devices only with 12V instead of 24V to avoiding risks of overheating and damaging the power supply box permanently.&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
http://roland.weber4.free.fr/&lt;br /&gt;
&lt;br /&gt;
http://opl.foca.free.fr/viewtopic.php?t=1340&amp;amp;sid=fe1fb6fc0a03d427590fff73250f1d9a&lt;br /&gt;
&lt;br /&gt;
https://www.passionmilitaria.com/t121763-marine-lunette-iris-2x67&lt;br /&gt;
[[Category:Devices]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3086</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3086"/>
		<updated>2024-09-19T14:02:21Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DI-TT-4A.jpg|thumb|DI-TT-4A on his dedicated tripod]]&lt;br /&gt;
The Iris is a little family of night vision scopes developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the French navy and army.&lt;br /&gt;
&lt;br /&gt;
The device has at least three variants known so far, all using Gen 0 image intensifier tubes.&lt;br /&gt;
&lt;br /&gt;
It is powered by a removable power supply box plugged into the side of the scope and kept in place by metallic belts. All variants require an external power source to be connected to this power supply. These devices were originally assigned to and used on ships or on land, mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
The device is supplied with an additional 24V Heymann ES1 oscillator (navy version Iris 2x67 and Iris 4x100) or a 6V oscillator (army version DI-TT-4A), low voltage cables for connecting to the ship&#039;s power supply (navy version) or to 6V cadmium nickel batteries (army version), an IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope and 6 spare small lightbulb&#039;s for the collimator.&lt;br /&gt;
&lt;br /&gt;
== Variants ==&lt;br /&gt;
&lt;br /&gt;
=== Iris 2x67 ===&lt;br /&gt;
Navy version which uses the BA 56M 24V power supply plugged into the scope. It is fully painted in a light blue color, however at the begining all these devices had a darker blue navy color that has been covered by the lighter colored paint. The optic is a 67mm lens in a seemingly oversized body, as all variants use the same chassis.&lt;br /&gt;
&lt;br /&gt;
=== Iris 4x100 ===&lt;br /&gt;
A version of the Iris scope with a bigger 100mm f.1,8 lens giving a 8 degree large vision.&lt;br /&gt;
&lt;br /&gt;
=== DI-TT-4A ===&lt;br /&gt;
The army version using the same chassis  than the others and the same optic than the Iris 4x100, but here it uses a 6V power supply box and conected to a 6V battery by cable. This version is the main part of a whole set deployed by multiple crews that include a 45 centimeter 24V and 250W IR searchlight, a box of batteries  and 2 tripods,the DI-TT-4A is easely reconisable by having certaine parts colored in black instead of being fully mono color.&lt;br /&gt;
&lt;br /&gt;
== Other details ==&lt;br /&gt;
It is believed that all versions use the TV.1.A or TV.1.B image intensifier tube, however its only firmly confirmed for the army version.&lt;br /&gt;
&lt;br /&gt;
All version&#039;s have two anti humidity cartridges inserted in the scope and can be observed trought a round window. Each of them are attached with three screws, the cadridges themself can be unscrewed to be opened for removing the anti humidity sand which can be reused and reinserted in the cartridge after 5 hours at 110°C in the oven, the cartridge is dry when the sand is blue, if the sand is pink/sand colored then the cartridge is humid and needs to be dried out by the manner described above.&lt;br /&gt;
&lt;br /&gt;
All versions do not have any adjustable focus setting, the focus is fixed at 400 meters for the army version of the scope.&lt;br /&gt;
&lt;br /&gt;
The navy version&#039;s collimators use a German style reticle, unknown for the army version.&lt;br /&gt;
&lt;br /&gt;
The army version power supply box deliver 15kv , the scope consume 0.5 A, the navy version is believed to deliver between 10 to 12kv  and consume 0.2 A&lt;br /&gt;
&lt;br /&gt;
== Warning ==&lt;br /&gt;
For any fortunate owners of the navy version of the device, due to their age it is recommended to power these devices only with 12V instead of 24V to avoiding risks of overheating and damaging the power supply box permanently.&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
http://roland.weber4.free.fr/&lt;br /&gt;
&lt;br /&gt;
http://opl.foca.free.fr/viewtopic.php?t=1340&amp;amp;sid=fe1fb6fc0a03d427590fff73250f1d9a&lt;br /&gt;
[[Category:Devices]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3072</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3072"/>
		<updated>2024-09-16T12:30:08Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DI-TT-4A.jpg|thumb|DI-TT-4A on his dedicated tripod]]&lt;br /&gt;
The Iris is a little family of night vision scopes developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the French navy and army.&lt;br /&gt;
&lt;br /&gt;
The device has at least three variants known so far, all using Gen 0 image intensifier tubes.&lt;br /&gt;
&lt;br /&gt;
It is powered by a removable power supply box plugged into the side of the scope and kept in place by metallic belts. All variants require an external power source to be connected to this power supply. These devices were originally assigned to and used on ships or on land, mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
The device is supplied with an additional 24V Heymann ES1 oscillator (navy version Iris 2x67 and Iris 4x100) or a 6V oscillator (army version DI-TT-4A), low voltage cables for connecting to the ship&#039;s power supply (navy version) or to 6V cadmium nickel batteries (army version), an IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope and 6 spare small lightbulb&#039;s for the collimator.&lt;br /&gt;
&lt;br /&gt;
== Variants ==&lt;br /&gt;
&lt;br /&gt;
=== Iris 2x67 ===&lt;br /&gt;
Navy version which uses the BA 56M 24V power supply plugged into the scope. It is fully painted in a light blue color, however at the begining all these devices had a darker blue navy color that has been covered by the lighter colored paint. The optic is a 67mm lens in a seemingly oversized body, as all variants use the same chassis.&lt;br /&gt;
&lt;br /&gt;
=== Iris 4x100 ===&lt;br /&gt;
A version of the Iris scope with a bigger 100mm f.1,8 lens giving a 8 degree large vision.&lt;br /&gt;
&lt;br /&gt;
=== DI-TT-4A ===&lt;br /&gt;
The army version using the same chassis  than the others and the same optic than the Iris 4x100, but here it uses a 6V power supply box and conected to a 6V battery by cable. This version is the main part of a whole set deployed by multiple crews that include a 45 centimeter 24V and 250W IR searchlight, a box of batteries  and 2 tripods,the DI-TT-4A is easely reconisable by having certaine parts colored in black instead of being fully mono color.&lt;br /&gt;
&lt;br /&gt;
== Other details ==&lt;br /&gt;
It is believed that all versions use the TV.1.A or TV.1.B image intensifier tube, however its only firmly confirmed for the army version.&lt;br /&gt;
&lt;br /&gt;
All version&#039;s have two anti humidity cartridges inserted in the scope and can be observed trought a round window. Each of them are attached with three screws, the cadridges themself can be unscrewed to be opened for removing the anti humidity sand which can be reused and reinserted in the cartridge after 5 hours at 110°C in the oven, the cartridge is dry when the sand is blue, if the sand is pink/sand colored then the cartridge is humid and needs to be dried out by the manner described above.&lt;br /&gt;
&lt;br /&gt;
All versions do not have any adjustable focus setting, the focus is fixed at 400 meters for the army version of the scope.&lt;br /&gt;
&lt;br /&gt;
The navy version&#039;s collimators use a German style reticle, unknown for the army version.&lt;br /&gt;
&lt;br /&gt;
The army version power supply box deliver 15kv , the scope consume 0.5 A, the navy version is believed to deliver between 10 to 12kv  and consume 0.2 A&lt;br /&gt;
&lt;br /&gt;
== Warning ==&lt;br /&gt;
For any fortunate owners of the navy version of the device, due to their age it is recommended to power these devices only with 12V instead of 24V to avoiding risks of overheating and damaging the power supply box permanently.&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
http://roland.weber4.free.fr/&lt;br /&gt;
[[Category:Devices]]&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3069</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3069"/>
		<updated>2024-09-16T01:32:48Z</updated>

		<summary type="html">&lt;p&gt;VNF: adding detail&amp;#039;s  onthe sight&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DI-TT-4A.jpg|thumb|DI-TT-4A on his dedicated tripod]]&lt;br /&gt;
The Iris are a little family of night vision scope&#039;s developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the french navy and army.&lt;br /&gt;
&lt;br /&gt;
The device have atleast 3 variant known so far who are all using gen 0 image intensifier tubes&lt;br /&gt;
&lt;br /&gt;
The device is powered trought a removable power supply box plugged into the side of the scope and kept in place by metallic belt&#039;s,all variant&#039;s require a external power source to be connected to this power supply,these devices are originally assigned to ship&#039;s and used on said ship&#039;s or on land mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
the device is supplied with a additional 24 volt&#039;s Heymann ES1 oscillator (navy version Iris 2x67 and Iris 4x100) or  a 6 volt&#039;s  oscillator (army version DI-TT-4A) , low voltage cable&#039;s for connecting to ship power supply (navy version) or to 6 volt&#039;s cadmium nickel batteries (army version), a IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope and 6 spare small lightbulb&#039;s for the collimator.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Variant&#039;s:&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Iris 2x67&lt;br /&gt;
Navy version who use the BA 56M 24 volt&#039;s power supply plugged against the scope and are fully painted in a light blue color, however at the begining all these device&#039;s had a more darker blue navy color that have been covered by the more light colored paint,the optic is a 67mm lense in a seemingly oversized body the reason being that all variant&#039;s use the same chassis.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Iris 4x100&lt;br /&gt;
a version of the iris scope with a bigger 100mm lense.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
DI-TT-4A&lt;br /&gt;
The army version using the same chassis than the others but here it use a 6 volt&#039;s  power supply box and conected to a 6 volt battery by cable,this version is the main part of a whole set deployed by multiple crew&#039;s that include a 45 centimeter 24 volt&#039;s  and 250 watt&#039;s IR searchlight, a box of batterie&#039;s  and 2 tripod&#039;s&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
other detail&#039;s &lt;br /&gt;
&lt;br /&gt;
its believed that all version&#039;s use the TV.1.a or TV.1.B image intensifier tube, however its only firmly confirmed for the army version.&lt;br /&gt;
&lt;br /&gt;
all version&#039;s have two anti humidity cadridge&#039;s inserted in the scope and can be observed trought a round window , each of them&#039;s are maintained with 3 screw&#039;s each,the cadridge&#039;s themself&#039;s can be unscrew to be opened for removing the anti humidity sand who can be re used and re inserted in the cadridge after 5 hour&#039;s at 110 degree&#039;s celcius in the oven,  the cadridge is dry when the sand is blue, if the sand is pink/sand colored then the cadridge is humid and need to be dried off by the manner described above&lt;br /&gt;
&lt;br /&gt;
all version&#039;s do not have adjustable focus setting, the focus is set at 400 meter&#039;s for the army version of the scope&lt;br /&gt;
&lt;br /&gt;
navy version collimator&#039;s use a german style reticle, unknown for the army version&lt;br /&gt;
 &lt;br /&gt;
&lt;br /&gt;
Warning:&lt;br /&gt;
&lt;br /&gt;
 to the rare&#039;s owner&#039;s that might have the chance to have  the navy version&#039;s of these device&#039;s, due to their age its recommended to power these device&#039;s only with 12 volt&#039;s instead of 24 for avoiding risk&#039;s of overheating and dammaging the power supply box permanently.&lt;br /&gt;
&lt;br /&gt;
External link:&lt;br /&gt;
&lt;br /&gt;
http://roland.weber4.free.fr/&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3068</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3068"/>
		<updated>2024-09-16T00:33:29Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[File:DI-TT-4A.jpg|thumb|DI-TT-4A on his dedicated tripod]]&lt;br /&gt;
The Iris are a little family of night vision scope&#039;s developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the french navy and army.&lt;br /&gt;
&lt;br /&gt;
The device have atleast 3 variant known so far who are all using gen 0 image intensifier tubes&lt;br /&gt;
&lt;br /&gt;
The device is powered trought a removable power supply box plugged into the side of the scope and kept in place by metallic belt&#039;s,all variant&#039;s require a external power source to be connected to this power supply,these devices are originally assigned to ship&#039;s and used on said ship&#039;s or on land mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
the device is supplied with a additional 24 volt&#039;s oscillator (navy version Iris 2x67 and Iris 4x100) or  a 6 volt&#039;s  oscillator (army version DI-TT-4A) and low voltage cable&#039;s for connecting to ship power supply (navy version) or to 6 volt&#039;s cadmium nickel batteries (army version) along with a IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Variant&#039;s:&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Iris 2x67&lt;br /&gt;
Navy version who use the BA 56M 24 volt&#039;s power supply plugged against the scope and are fully painted in a light blue color, however at the begining all these device&#039;s had a more darker blue navy color that have been covered by the more light colored paint,the optic is a 67mm lense in a seemingly oversized body the reason being that all variant&#039;s use the same chassis.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Iris 4x100&lt;br /&gt;
a version of the iris scope with a bigger 100mm lense.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
DI-TT-4A&lt;br /&gt;
The army version using the same chassis than the others but here it use a 6 volt&#039;s  power supply box and conected to a 6 volt battery by cable,this version is the main part of a whole set deployed by multiple crew&#039;s that include a 45 centimeter 24 volt&#039;s  and 250 watt&#039;s IR searchlight, a box of batterie&#039;s  and 2 tripod&#039;s &lt;br /&gt;
&lt;br /&gt;
its believed that all version&#039;s use the TV.1.a or TV.1.B image intensifier tube, however only firmly confirmed for the army version.&lt;br /&gt;
 &lt;br /&gt;
&lt;br /&gt;
Warning:&lt;br /&gt;
&lt;br /&gt;
 to the rare&#039;s owner&#039;s that might have the chance to have  the navy version&#039;s of these device&#039;s, due to their age its recommended to power these device&#039;s only with 12 volt&#039;s instead of 24 for avoiding risk&#039;s of overheating and dammaging the power supply box permanently.&lt;br /&gt;
&lt;br /&gt;
External link:&lt;br /&gt;
&lt;br /&gt;
http://roland.weber4.free.fr/&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=File:DI-TT-4A.jpg&amp;diff=3067</id>
		<title>File:DI-TT-4A.jpg</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=File:DI-TT-4A.jpg&amp;diff=3067"/>
		<updated>2024-09-16T00:27:55Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;DI-TT-4A attached his dedicated tripod&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3066</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3066"/>
		<updated>2024-09-15T23:37:09Z</updated>

		<summary type="html">&lt;p&gt;VNF: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;The Iris are a little family of night vision scope&#039;s developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the french navy and army.&lt;br /&gt;
&lt;br /&gt;
The device have atleast 3 variant known so far who are all using gen 0 image intensifier tubes&lt;br /&gt;
&lt;br /&gt;
The device is powered trought a removable power supply box plugged into the side of the scope and kept in place by metallic belt&#039;s,all variant&#039;s require a external power source to be connected to this power supply,these devices are originally assigned to ship&#039;s and used on said ship&#039;s or on land mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
the device is supplied with a additional 24 volt&#039;s oscillator (navy version Iris 2x67 and Iris 4x100) or  a 6 volt&#039;s  oscillator (army version DI-TT-4A) and low voltage cable&#039;s for connecting to ship power supply (navy version) or to 6 volt&#039;s cadmium nickel batteries (army version) along with a IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Variant&#039;s:&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Iris 2x67&lt;br /&gt;
Navy version who use the BA 56M 24 volt&#039;s power supply plugged against the scope and are fully painted in a light blue color, however at the begining all these device&#039;s had a more darker blue navy color that have been covered by the more light colored paint,the optic is a 67mm lense in a seemingly oversized body the reason being that all variant&#039;s use the same chassis.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Iris 4x100&lt;br /&gt;
a version of the iris scope with a bigger 100mm lense.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
DI-TT-4A&lt;br /&gt;
The army version using the same chassis than the others but here it use a 6 volt&#039;s  power supply box and conected to a 6 volt battery by cable,this version is the main part of a whole set deployed by multiple crew&#039;s that include a 45 centimeter 24 volt&#039;s  and 250 watt&#039;s IR searchlight, a box of batterie&#039;s  and 2 tripod&#039;s &lt;br /&gt;
&lt;br /&gt;
its believed that all version&#039;s use the TV.1.a or TV.1.B image intensifier tube, however only firmly confirmed for the army version.&lt;br /&gt;
 &lt;br /&gt;
&lt;br /&gt;
Warning:&lt;br /&gt;
&lt;br /&gt;
 to the rare&#039;s owner&#039;s that might have the chance to have  the navy version&#039;s of these device&#039;s, due to their age its recommended to power these device&#039;s only with 12 volt&#039;s instead of 24 for avoiding risk&#039;s of overheating and dammaging the power supply box permanently.&lt;br /&gt;
&lt;br /&gt;
External link:&lt;br /&gt;
&lt;br /&gt;
http://roland.weber4.free.fr/&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
	<entry>
		<id>https://nv-intl.com/index.php?title=Iris&amp;diff=3065</id>
		<title>Iris</title>
		<link rel="alternate" type="text/html" href="https://nv-intl.com/index.php?title=Iris&amp;diff=3065"/>
		<updated>2024-09-15T23:26:14Z</updated>

		<summary type="html">&lt;p&gt;VNF: Created page with &amp;quot;The Iris are a little family of night vision scope&amp;#039;s developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&amp;#039;s for the french navy and army.  The device have atleast 3 variant known so far who are all using gen 0 image intensifier tubes  The device is powered trought a removable power supply box plugged into the side of the scope and kept in place by metallic belt&amp;#039;s,all variant&amp;#039;s require a external power source to be connected to this power...&amp;quot;&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;The Iris are a little family of night vision scope&#039;s developed and produced in france by Optique et Précision Levallois (O.P.L.) in the 50&#039;s for the french navy and army.&lt;br /&gt;
&lt;br /&gt;
The device have atleast 3 variant known so far who are all using gen 0 image intensifier tubes&lt;br /&gt;
&lt;br /&gt;
The device is powered trought a removable power supply box plugged into the side of the scope and kept in place by metallic belt&#039;s,all variant&#039;s require a external power source to be connected to this power supply,these devices are originally assigned to ship&#039;s and used on said ship&#039;s or on land mounted on a tripod.&lt;br /&gt;
&lt;br /&gt;
the device is supplied with a additional 24 volt&#039;s oscillator (navy version Iris 2x67 and Iris 4x100) or  a 6 volt&#039;s  oscillator (army version DI-TT-4A) and low voltage cable&#039;s for connecting to ship power supply (navy version) or to 6 volt&#039;s cadmium nickel batteries (army version) along with a IR powered collimator who can be plugged into a secondary low voltage output and mounted in front of the scope.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Variant&#039;s:&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Iris 2x67&lt;br /&gt;
Navy version who use the BA 56M 24 volt&#039;s power supply plugged against the scope and are fully painted in a light blue color, however at the begining all these device&#039;s had a more darker blue navy color that have been covered by the more light colored paint,the optic is a 67mm lense in a seemingly oversized body the reason being that all variant&#039;s use the same chassis.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Iris 4x100&lt;br /&gt;
a version of the iris scope with a bigger 100mm lense.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
DI-TT-4A&lt;br /&gt;
The army version using the same chassis than the others but here it use a 6 volt&#039;s  power supply box and conected to a 6 volt battery by cable,this version is the main part of a whole set deployed by multiple crew&#039;s that include a 45 centimeter 24 volt&#039;s  and 250 watt&#039;s IR searchlight, a box of batterie&#039;s  and 2 tripod&#039;s &lt;br /&gt;
&lt;br /&gt;
its believed that all version&#039;s use the TV.1.a or TV.1.B image intensifier tube, however only firmly confirmed for the army version.&lt;br /&gt;
 &lt;br /&gt;
&lt;br /&gt;
Warning:&lt;br /&gt;
&lt;br /&gt;
 to the rare&#039;s owner&#039;s that might have the chance to have  the navy version&#039;s of these device&#039;s, due to their age its recommended to power these device&#039;s only with 12 volt&#039;s instead of 24 for avoiding risk&#039;s of overheating and dammaging the power supply box permanently.&lt;/div&gt;</summary>
		<author><name>VNF</name></author>
	</entry>
</feed>