Alley in Pisa, Italy

by Lars Kotthoff

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4
votes
2answers
610 views

How to calculate the viewing distance giving natural perspective?

When I move my eye closer to a photograph, it will fill a larger part of my view. When I move further, the area filled by the image will become smaller. Apparently, there must be some point where the ...
15
votes
1answer
1k views

Why does a 50mm lens appear to give a human perspective, rather than a normal lens?

I grew accustomed to the notion that what one sees through a normal lens equates (or is close to) what can be seen with the naked eye (although that is not the "pure" definition of a normal lens, ...