Quote Originally Posted by piiooo


This is a case of perspective distorsion. It'smore visiblewithwide angle lenses. My 17-40 L does the same.


It can be corrected by holding your camera level, you may have to elevate the camera to achieve a similar crop. Another way of correcting it would be a tilt and shift lens. You can also take care of it in post.


Perspective distorsions are very cool when used creatively.
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So does mine and a level camera is great advice. They are also very easy to clean up in post. PSP has a specific tool for this. Just remember the perspective correction will result in a cropped shot so leave room around the outside edges that you expect to loose. The closer the object the greater the influence the disortion has on what you see.