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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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Since 2006, Diglloyd Advanced Photography is the authoritative review and reference for DSLRs and their lenses: Canon and Nikon primarily, but also Pentax and some medium format. Reviews of key DSLRs are included, but the primary focus is on lens performance. Also included is a wealth of technique and workflow approaches.

DAP includes thousands of pages of exclusive coverage and high resolution Retina-grade examples detailing Canon and Nikon DSLR bodies and their lenses, with in-depth analysis of sharpness and contrast, color, bokeh, vignetting, distortion, MTF, and flare, behavioral and practical usage.

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motion blur
Image at 1/200 second handheld

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