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OHB-2+/ OHB-3 is a head mounted night vision goggle which can be viewed by two eyes,small in size,light in weight.Magnification can be changed by replacing different objective lens, 1x and 3x are available.It can be used as hand held Dim-light telescope.It adopts Russian Gen-super 2 and 3 image intensifier tube features an automatic shut off system that turns off the unit when exposed to an intense light source.This protects the image intensifier tube from damage and built-in IR Illuminator enables you to see in total darkness.It is primarily for military use.
Specification
Generation | Super 2+ | 3 |
Magnication x | 1x 3x | 1x 3x |
Field of view deg | 40 10 | 40 10 |
Detective rangem | 220/360 600/800 | 240/380 800/1000 |
Diopter adjustment deg | +5/-5 | +5/-5 |
Dimensionmm | 183x132x58 | 183x132x58 |
Weight kg | 500 900 | 500 900 |
Battery type | two AA batteries | two AA batteries |
Power supply v | 2.8+/-0.8 | 2.8+/-0.8 |
Continuous working time h | 80(with IR illuminator off) 40(with IR illuminator on) | 80(with IR illuminator off) 40(with IR illuminator on) |
Operating temperature range | -40/+40 | -40/+40 |
Relative humidity at 25 | 98% | 98% |
Gen3 PVS-7 head mounted night vision goggles