Image intensifier	generation II+	generation II+
		Magnification(X)	1x	4x
		All the dark reconnaissance technology	yes	yes
		Lens factor	27 mm; F1:1.2	27 mm; F1:1.2
		Field of view(Degrees)	40	10
		Resolution,lp/mm	45-53	45-53
		Diopter adjustment	+5/-6	+5/-6
		Dimensions(Mm	172x102x62	172x102x62
		Net weight(G)	480	920
		Battery type	1piece 3v	1 piece 3v
		Lens adjustment range (m)	0.25 ~ ∞	10 ~ ∞
		Power supply (V)	2.8±0.8	2.8±0.8
		Continuous working time(hours)	40-80 hours	40-80hours
		Operating temperature range,℃	-40/+50℃	-40/+50℃
		25 ℃Relative Humidity	98%	98%
		Detection range,m	200-220
		Cathode type	18mmS-25	18mmS-25
		Cathode sensitivity	≥ 600	≥ 600
		Recoginization,m	175-195
		Gain fl / fcd	16000-25000	16000-25000
		Noise ratio	18-20	18-20
		Sensitivity values	≥ 1150	≥ 1150
		Image intensifier  tube life,	10000 hours	10000 hours