Why do rulers appear bent, and how to fix?

Started Mar 23, 2011 | Discussions thread
Senior MemberPosts: 2,245Gear list
Re: Why do rulers appear bent, and how to fix?
In reply to keqwow, Mar 25, 2011

could it be lens distortion which can be fixed in camera and in some pp programs. just a thought. could be wrong but thats the first thing that popped into my mind. r

keqwow wrote:

I am taking photos of antique artifacts and using a yard stick to have as a
size reference in the photo. Interesting result though...even though the
artifacts appear just fine, the ruler comes out looking bent. I assume it has
something to do with the optics...near the edges of the photo etc. Is there
any software that can correct this effect? I have Photoshop but I am not sure
if this does this or if there even is anything that can fix this effect.

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