There are a lot of different options on the consumer market for night vision devices. However, manual gain is a feature not often weighed when purchasing night vision. Is it for comfort? Does it actually have a purpose? Kevin sheds some light on why manual gain is an important feature to consider.

www.customnightvision.com

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0:00 Intro
0:39 What is manual gain?
5:03 Urban light test
8:01 Low light test
11:45 Outro