Low Contract Images With Dome in Place

rfj

Pulling my weight
Joined
Oct 26, 2014
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During night time my images from my Hikivision Dome camera have very little contrast. When there is enough light then it works fine. Interestingly, when I take the glass dome off then the images have a much better contrast. I cleaned the glass so that's not the problem. Any ideas what causes this and how I can fix it?
 
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