Axion Key XM22 thermal imaging camera

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

The first number in the model number represents the magnification. It specifies how much larger an object appears compared to when viewed with the naked eye.

Depending on the model, there are different options to display the image.

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

A head mount ensures the vision device is held steady in front of the eye. In addition, the hands are free for other tasks.

This allows the device to be mounted onto a standard photographic tripod with a 1/4" camera screw.

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

The shortest distance at which a sharp image can still be achieved.