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Canon EOS 40D Guide to Digital Photography by David D. Busch

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Avoiding Potential Wide-Angle Problems

Wide-angle lenses have a few quirks that you’ll want to keep in mind when shooting so you can avoid falling into some common traps. Here’s a checklist of tips for avoiding common problems:

  • Symptom: converging lines. Unless you want to use wildly diverging lines as a creative effect, it’s a good idea to keep horizontal and vertical lines in landscapes, architecture, and other subjects carefully aligned with the sides, top, and bottom of the frame. That will help you avoid undesired perspective distortion. Sometimes it helps to shoot from a slightly elevated position so you don’t have to tilt the camera up or down.

  • Symptom: color fringes around objects. Lenses are often plagued with fringes of color around ...

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