Newcon Optik NVS 7-5X, NVS 7-8X Main tube parameters, Image Intensifier Type Generation/Grade

Main tube parameters

Model	NVS 7-2 XT	NVS 7-3 XT
Generation	2+	3
IIT Model	NCXT4322	N3XT4322
ITT Resolution, min	57 lp/mm	57 lp/mm

Image Intensifier Type	2+		3
(Generation/Grade)	XT			XT
Photocathode operating diameter, mm		17.5
Photocathode type	S-25			GaAs
Photocathode sensitivity, min :
Integral	600 μA/ lm			1,600 μA/ lm
Spectral at λ = 850 nm	45 mA/W			180 mA/W
Light amplification	>35,000			fl/fc
Image magnification		1x
Max dark background brightness	1⋅10 −3 cd/m2
Signal-to-noise ratio	18		20
Current consumption, max	20 mA			25 mA
Voltage	2.8±0.8			V
MTBF, hours	10K			10K
Operating temperature range	-50°C …			+55°C

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