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Canon 100mm f/2.8L: IS Glitch

I found that Canon’s image stabilization generally worked well to extend the shooting range, though as documented in The Sharpest Image, critical sharpness is not found through image stabilization.

The main thing to be aware of is that image stabilization can goof, as this example shows.

I shot this image handheld at 1/200 second at f/7.1 on the EOS 5D Mark II. It looks out of focus, but it isn’t; it’s badly blurred from motion, the motion created by the image stabilization system, since I was holding the camera quite steady. I was not able to repeat this problem, so it’s unclear how common it is.

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diglloyd Advanced Photography

diglloyd Advanced Photography includes hundreds of pages of exclusive coverage and high resolution, Retina-grade example pictures detailing Canon and Nikon DSLR bodies and their lenses, with in-depth analysis of sharpness and contrast, color, bokeh, vignetting, distortion, MTF, and flare. Also included is a wealth of in-context technique and workflow insight. Since 2006, diglloyd Advanced Photography is the authoritative review and on-line reference for discerning Canon and Nikon shooters. Subscriptions cost $ per year.

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motion blur
Image at 1/200 second handheld

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