Canon EF-S 17-85mm Lens¶
maker: Canon
focal length: 17 - 85 mm
max aperture: f/4 - 5.6
angle of view: 78°
filter size: 67 mm
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Equivalent to a 28-135mm lens, this EF-S lens brings true wide-angle to tele coverage to EOS 20D and Digital Rebel shooters. It has Canon’s Image Stabilization system, allowing safe hand-holding at speeds up to three stops slower than otherwise possible. And of course, it’s optically optimized for digital SLRs. A ring-type USM means both fast and silent AF, as well as full-time manual focus when in the AF mode.
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Related Articles
Below is a list of articles in which this lens is discussed, or at least mentioned, on this site.
Prime and Full Size (jul 22, 2009)
Although prime lenses (i.e., non-zoom lenses) are limited to one focal length, there are some advantage to them over popular zoom lenses. This article provides examples and advice to help you decide whether to buy prime lenses.