Image intensifier tube - hermetic, microchannel electron multiplier plate with proximity focus on the input and output, included high voltage power supply unit, over-light protection circuit and automatic brightness control, with multialkaline photocathode on input glass window and phosphor screen with yellow-green emission color on fiber optic element. The image intensifier has been designed for low-level range of light in observation device.

General technical specification
Limiting resolution at center, lp/mm, no less..................................	58
Luminance gain, no less..............................................................	6000
Dark background brightness, cd/m², no more.................................	1 x 10-3
Radiant sensitivity of photocathode,  l=850 nm, mA/W, no less......	33
Luminous sensitivity of photocathode, mA/lm...................................	500
Signal-to-noise ratio, no less.........................................................	20
Useful cathode diameter, mm........................................................	17.5
Mass, g, no more.........................................................................	85
Input voltage, V............................................................................	2 - 3.6
Reliability, h................................................................................	5000