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Main tube parameters
Image Intensifier Type
(Generation/Grade)
EPM66G2
Photocathode operating diameter 18 mm
Photocathode type S-25
Photocathode sensitivity:
Integral
450
A/ lm
Spectral at = 850 nm
26 mA/W
Light amplification >20,000 fl/fc
Image magnification 1x
Signal-to-noise ratio, min 18
Current consumption, max 18 mA
Voltage
2.8
0.8 V
MTBF, hours 10 000
Operating temperature range -50°C … +50°C
Spatial frequency-contrast characteristic
Frequency, lines/mm Contrast transfer
coefficient
2.5 0.83
7.5 0.56
15.0 0.30