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
Luminous 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......	40
Luminous sensitivity of photocathode, mA/lm..................................	600
Signal-to-noise ratio, no less.........................................................	22
Useful cathode diameter, mm........................................................	17.5
Mass, g, no more.......................................................................	85
Input voltage, V...........................................................................	2 - 3.6
Reliability, h................................................................................	5000