What makes a fisheye fishy?

Started Oct 29, 2012 | Questions thread
Chris Malcolm Senior Member • Posts: 1,890
Re: What makes a fisheye fishy?

sybersitizen wrote:

"A linear lens (popularly but incorrectly called a rectilinear lens) tries to preserve straight lines, i.e. a straight line in the world should end up as a straight line in the image."

Well, that's wrong. I already referenced this earlier:

http://www.merriam-webster.com/dictionary/rectilinear%20lens

Now try googling 'linear lens' and see what comes up.

You're right about "rectilinear", got my etymology confused!

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Chris Malcolm

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