Main categories of common night vision devices

(1) Classification according to the level of imaging tubes

1st generation night vision device;
2nd generation night vision device;
3rd generation night vision device.

(2) Classification according to appearance style

Monocular night vision device

Monocular night vision device is a night vision device that can be viewed with one eye. Usually, this type of night vision device has only one eyepiece and one objective lens. The advantage is that it is small in size and light in weight; the disadvantage is that it is not comfortable for the eyes to watch for a long time, because one eye needs to be closed when using the monocular night vision device. Common models on the market include VA-PVS-14,VA-QMY202. Two monocular night vision devices of the same model can be assembled into a binocular night vision device through accessories. As shown below.

Binocular monocular night vision device

Binocular monocular night vision device consists of two eyepieces and an objective lens. The advantage is that binocular viewing is more comfortable than the monocular night vision device, lighter than the binocular binoculars, and cheaper than the binocular binoculars; the disadvantage is that the depth of field is smaller. Because of its high cost performance, this type of night vision device is widely used in the market. Common models include VA-PVS-7. When purchasing this type of night vision device, you can choose two high-power lenses to achieve farther viewing needs. As shown below

Binocular night vision device

Binocular night vision devices have two eyepieces and two objective lenses. The advantage of this type of night vision device is that it has an additional image intensifying tube in the structure compared to the binocular monocular night vision device, and the viewing effect is better; the disadvantage is that some models are slightly heavier and require two objective lenses to focus separately. . However, some binocular night vision devices now weigh less than monoculars, and there are also fixed-focus designs that eliminate the need to adjust the objective lens, which is more convenient to use. Common models on the market include VA-PVS-31. As shown below.

Ground Panoramic Vision Night Goggle

Four independent image intensifier tubes and four objective lens The two central tubes overlap with the two outer tubes, and the field of view reaches 120°. There are two tubes on the left and right, providing the function of interpupillary Can be used as an independent handheld viewer. The IPD of both systems can be adjusted on the helmet stand.Multipurpose: handheld, helmet support, head support.Common models on the market include VA-GPNVG-18. As shown below.

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