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Night vision

Professional night vision devices produced by the Canadian company GSCI. Night vision consists of three main parts, the quality of which depends on the overall performance of the device.

1. Image intensifier tube (IIT) - Image intensifier tube is the most important part of night vision. When choosing, you should be aware that the differences in the specification and performance of individual tubes can differ significantly, so it is necessary to pay attention not only to the manufacturer or generation of the given tube, but also to the specific values that each tube has listed in its datasheet.
2. Body - GSCI has been manufacturing custom night vision bodies for over 30 years. Bodies are made from high-strength aluminum and brings several features that are not present in the standard PVS-31 bodies.
3. Optics (lenses) - An important parameter is the aperture number, which expresses the ratio of the focal length of the optical system to the diameter of the input lens. The lower the number, the better its brightness.

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