Talk:Normal lens
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I would like a bit more why? on this article. Will try to add it, but I cant find any good sources so far. Photographers tend to be not very technical alas. Why is this true about the human eye? And is the whole thing about the diagonal a myth? I cant see that 6x6 and 6x9 say dont project the same view, just more of it. Or am I wrong? Justinc 00:01, 15 December 2005 (UTC)
[edit] defintion of normal
I have a doubt on the definition of "normal" as the natural visual perception. It's a matter of culture: five hundred years of Perspective (graphical) in painting makes us think it is the way we se things, but our eye is more a Fisheye lens-like which our brain remap to let us think straight lines are straight. The 45° angle of view is perhaps only the easiest way to make Photographic lenses, and we are so used to it we came to think of it as the natural perspective of our visual system, around 180° wide with a 2° fovea. Is there any authoritative source for those claims? --Marc Lacoste 23:54, 17 December 2006 (UTC)
You're right IMO there is no normal perpective. I think the current wording of the article "generally held to have a "natural" perspective" is rather neutral about this, but there's is matter for expanding the article. Ericd 19:43, 20 March 2007 (UTC)
