DIPT-10A
the DIPT-10A is a passive French autogated gen 2 binocular nvg adopted in the early 80's for the French army (army name OB-41A)
the binocular is for multiple use with its 33 degree's of field of view F1.0 optic's and a minimal focus distance of 30 centimeters , the device weighs 1 kilo and has his own head attachements.
the device is equipped with an integrated infrared diode to use only in absence of any lights, the device has a 3 position switch: Arret/off Marche/on and Lamp/light, the last position needs to have the rotative switch pushed slightly forward to be reach for avoiding accidental turn on
the device uses 2.7v BA1567 battery which gives it 20 hours autonomie or 10 hours if the light is always turned on,the gain is automatically regulated depending the light received in the tubes.
sadly the model of the intensification tubes are unknown the very little sources available talk about micro channel plate gen 2 tube.
the first prototypes of the device were made between 1973 and 74 and experimentations began between 1974 and 75.
both oculars have settings from -4 to +4.5 dioptries.