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Canon® EOS Rebel XSi/450D Guide to Digital SLR Photography by David D. Busch

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Zoom or Prime?

Zoom lenses have changed the way serious photographers take pictures. One of the reasons that I own 12 SLR film bodies is that in ancient times it was common to mount a different fixed focal length prime lens on various cameras and take pictures with two or three cameras around your neck (or tucked in a camera case) so you’d be ready to take a long shot or an intimate close-up or wide-angle view on a moment’s notice, without the need to switch lenses. It made sense (at the time) to have a half dozen or so bodies (two to use, one in the shop, one in transit, and a couple backups). Zoom lenses of the time had a limited zoom range, were heavy, and not very sharp (especially when you tried to wield one of those monsters handheld). ...

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