Image intensifier tube - hermetic, with inverted image, microchannel electron multiplier plate, included high voltage power supply unit, over-light protection circuit and automatic brightness control, with multialkaline photocathode on input fiber optic 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.......................................	45
Luminance gain, no less....................................................................	25000
Dark background brightness, cd/m², no more......................................	2 x 10-3
Luminous sensitivity of photocathode with filter RG665, mA/lm, no less..	120
Magnification at center......................................................................	1.5
Useful cathode diameter, mm............................................................	16
Mass, g, no more.............................................................................	300
Input voltage, V...............................................................................	2 - 3.6
Reliability, h....................................................................................	2000