View source for PNV-57

The PNV-57 is a family of night vision binoculars produced in the soviet union. The design has several variants, either using generation 0 or generation 1 image intensifier tubes. They use an external power supply, with a high voltage cable connecting the supply to the binoculars. Most variants then require an external power source to be connected to this power supply. Originally these units are mounted to a tanker cap style helmet with the power supply worn on the back of the cap.

== Variants ==
{| class="wikitable"
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!Device
!Generation
!Information
!Image
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|PNV-57A
|0
|Goggles look like two smooth cylinders with a flat underside.
Painted grey or green - brown
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|PNV57AM
|???
|???
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|PNV-57AK
|0
|Same as the PNV-57A, but in a box containing two units
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|PNV-57E
|1
|Visually and functionally distinct to PNV-57A models.
Looks like two irregularly shaped cylinders with a large protrusion on the upper side, nearer to the eyepieces. 

The unit is painted a green - brown colour, similar to some versions of the PNV-57A.
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|PNV-57ET
|1
|Same as the PNV-57E, but in a box containing two units
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|PNV-57ETC
|???
|???
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|PNV-57EM
|1
|Modernised version of the PNV-57E.
Unlike other versions, the power supply for this variant has a battery compartment, eliminating the need for a separate battery pack.

The binoculars are slightly shorter than the PNV-57E, the front lenses replaced with a shorter version with adjustable focus
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[[Category:Devices]]