Free online photography classes for beginner DSLR users. Aperture is the opening in the lens when a photo is taken. The camera's aperture setting controls how much light can pass through your camera lens.
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Just starting out with the Have had Pentax Canon Rebel 2000 Canon Rebel XT and now my new baby the Canon I thought I'd start with the basics again and never shoot in auto again. I am very guilty of that with the Rebels.
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