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Chapter 11. Simple Cropping and Fix-up T... > Straightening Images and Improving P...

Straightening Images and Improving Perspective

Before you can correct perspective problems in your composites, you need to understand how they occur in the first place. This next project shows you one of the most common perspective ills that can befall a photograph. After you learn to correct this kind of distortion in its simplest mode, you’ll be better equipped to match your composited objects from a perspective standpoint. I’ll show you more perspective tricks in Chapter 13, “Invisible Compositing.”

Most photographs are taken head-on, with the back of the camera parallel to the plane of the subject. This puts the key parts of the subject roughly the same distance from the plane of the camera’s film or sensor. When you tilt the camera up or down, the part of the subject that’s farthest away from the camera appears to fall away. If you’ve ever leaned back to photograph a tall building, you know what I mean.


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