Table 2. Main parameters of aviation night vision goggles.

Table 2. Main parameters of aviation night vision goggles..

Table 2. Basic parameters of aviation night vision goggles.

Country	Company	Model	D, m	2w, deg.	Generation Image intensifier	Diopter	Base, mm	Dia./Exit pupil , mm	U,B	Weight, kg	Dimensions, mm
RF	FSUE Alpha”	Alpha-2031	500-800	38	III	±3.5	56 – 72.2	-/15 – 20	2.2 – 3.5; 24 – 29.4	0, 45	110x135x85
RF	GUDP SKB TNV, JSC LZOS	OVN-1	500 – 600	38	III	±4	55 – 73	-/15 – 20	2.2 – 3.5; 24 – 27	0.63 – 0.66	100x135x60
RF	FSPC NPO Geophysics-NV”	GEO-ONV1		38	III	(-4) – (+2)	54 – 72	8/23	3, 27	0.53
USA	ITT	AN/AVS-9 (F-4949)		40	III	(-2.1) – (+0.5)	52 – 72	14/25 (on axis)	2.7 – 3	0.54
USA	ITT	PNVG		100×40	III, IV	(-6) – (+2)	52 – 72	-/25 – 30	2, 7 – 3	0.76
USA	Varo	ANVIS Model 2000		40	II+, III	(-6) – (+2)	52 – 72		1.5	0.53
USA	Litton	AN /AVS-6		40	II+ (M929) III (M927)	(-6) – (+2)	51 – 72	14/25 (on axis)	2.7 – 3	0.456 (0.59)
Great Britain	GEC Marconi Avionics	NITEOP		45	III	(-3.1) – (+1)	54 – 72	10/30	3.5	0.8	161x172x190.4
UK	GEC Marconi Avionics	Cats Eyes		30				10/25	3.5	0.82	Length 88.9 mm
UK	GEC Marconi Avionics	Night Bird		45	III	(-2, 1) – (+1)	54 – 72	10/30	3.5	0.815	150x172x191
France	Sfim	CN2-H		40	III	(-5) – (+2)		-/20	3; 3.5; 28	0,55

Note:
1. D – range of recognition of a full-length human figure;
2. 2w – angle of field of view;
3. diopter – limits of diopter adjustment of the eyepieces;
4. base – range of adjustment of the eye base;
5. U – supply voltage;
6. * – with mask;
7. ** – “through vision”.