Lenses for photographing people...

Started Apr 8, 2013 | Discussions thread
clengman
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Re: Lenses for photographing people...
In reply to OniMirage, Apr 10, 2013

OniMirage wrote:

clengman wrote:


Yup. I feel for you. It can be exhausting to be so, so wrong. Sorry if your brain hurts.

I like this link from the other thread,

http://www.journalofvision.org/content/12/5/8.full

I like it, too. But you didn't really read it did you? It has a lot to say about the differing perspective effects that result from varying subject distance, and how it's important to match the viewing distance to the perceived subject distance in order to create a "normal" viewing experience.

I like this quote from that article:

"The apparent expansions and compressions in depth are often called                perspective distortion, as if these effects are due to a distortion in the physical projection from the scene to the film plane. The effects occur, however, when the projections are geometrically correct."

This one too:

"If the viewer's eye is positioned at the picture's COP (center of projection), the image cast by the picture onto the retina matches the image that would be cast by the original scene."

It's similar to what I was trying to explain to you here:

"If you took the image captured by the camera and printed it and displayed it so that the print covered the same real angle of view in your field of vision as the angle of view represented in the print, it would look almost identical to your perception of the subject when you put your face all up in your subject's face. (I say almost identical because there are aspects of your perception resulting from parallax and binocular vision that obviously wouldn't be present.)"

and here:

"If you could freeze your entire field of vision, print it out, hang it on the wall and look at it, you would see that it looks very much like a photo taken with a very wide angle lens. Only the central few degrees of the image would be sharp, but the "distortion" would be the same."

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