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BetterPhoto Q&A
Category: All About Photography : Photographing Specific Subjects : Understanding Self Portraits

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Photography Question 
Lynn J. Sims

member since: 6/24/2004

Wedding Photography

Hello, I recently took wedding photographs for a friend, who was pleased with the results. However, in a couple of the photos taken of the entire wedding party, the center subjects were in perfect focus, while those on the outer frame were slightly out of focus. I used a Minolta QTsi with a 2000xi flash and 200 speed film.
The subjects were in a single line. Would changing the composition of the subjects correct this problem or should I purchase a wide-angle lens?

8/26/2004 11:02:06 AM

Jon Close
BetterPhoto Member

member since: 5/18/2000
  It's typical for lens resolution to be less at the edges of the frame than in the center, especially with zoom lenses. Try leaving more space between the outer-most subjects and the edge of the frame. Also realize that subjects at the end of that single line are farther from the camera than those in the center. You need more depth of field (smaller aperture), or you need to arrange the subjects in an arc rather than a straight line, so all are at the same focus distance.

8/26/2004 12:17:22 PM

Mark Mobley

member since: 3/5/2004
  Just want to correct the answer of Jon C. Pretty much ALL well-designed rectilinear lenses focus in a PLANE, not an arc, so you don't need to change the arrangement into an arc shape (the only lenses that need this are fisheye and panoramic swing-lenses). Resolution fall-off across the frame is a problem, and may be particularly bad on your camera, although there is not really anything you can do about that. Try setting the aperture to a mid (~f/8) value for best resolution, and try leaving more space as Jon C. suggests.

9/1/2004 5:34:20 AM


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