Quote:
Hitman, are you sure Aperture angle value in game doesn't affect player night visibility?
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Yes I am, it only modifies the wideness of the image you can see. The confusion comes from an old urban legend I have seen repeated in these and other forums about the observation scope having that larger FOV and also more light transmission. The observation scope had indeed a much better light transmission, but that happened because of the increased size of the lense, not because it had a wider angle of view. In fact, both scopes had the same angle or aperture and magnifications (1.5x and 6x).
This all also happens in binoculars. For example, a 7x50 will always have a much better light transmission than a 7x40, even if they have the same field of view and zoom. The 50 mm lense allows more light to go through than the 40mm, and that's why you will be able to see better in the dark with it.
You can find much more useful info, clearly explained, here:
http://www.chuckhawks.com/binocular_basics.htm