I was reading a review of a wide-angle lens, and the review opined that the lens had impaired contrast wide open. Optically, what's happening here? How does the light passing through the lens lose ...
I'm trying to learn to read MTF charts. Everything is making sense to me, except why most explanations of MTF will refer to the 10 l/mm line as a measure of contrast while referring to the 30 l/mm ...
I came across a complaint that a certain lens produces too much contrast. The lens was described as rendering "cartoonish" contrast when shooting a portrait with diffused light from a window, where ...