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Old Sep 1, 2009, 1:53 PM   #10
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Join Date: Dec 2005
Location: Left Coast
Posts: 228

Originally Posted by jnanpentaxfan View Post
This looks like the classic barrel distortion that is common with the 18-250mm Tamron/Pentax lens. According to my research, it only seems to be a problem when the lens is at it's widest. Here is a good link that provides a useful graph of the distortion at different focal lengths:

Nice pic, by the way.

Thank you.
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