Thermal imaging camera Fatum Z500

Indicates whether it is a:
1. Binocular - for both eyes
2. Monocular - for one eye

The second specification in a night vision device’s model number is the front lens diameter. The larger it is, the more light the night vision device collects.

Digital night vision devices use a different technology, which makes the devices much cheaper.

The angular field of view visible with the night vision device.