Was correcting firework shots in CS5 when I realized it results in significant loss from the correction and cropping to remove the keystone distortion. The first impulse was to think of getting an even wider lens (10mm to 8mm on 1.6x crop). I believe going even wider would create even more distortion which means more cropping when correcting? The question is thus, does the two cancel out or can I retain more of the picture (using a shorter focal length) after keystone correction?
:think:
:think:
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