Summary

Canon's EF-S 10-22mm USM is one of the best quality ultra-wide-angle lenses in its range. As an EF-S model, it will only work on cropped-bodies, but the equivalent range of 16-35mm is ideal for capturing expansive landscapes, cramped interiors, large buildings or big group shots. The USM focusing is also quick and quiet, and again the optical quality is excellent. If you own a cropped-body and want a quality ultra-wide zoom, this is the one for you.

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Canon EF-S 10-22mm f/3.5-4.5 USM

Canon EF-S 10-22mm uniformity comparison

10-22mm EF-S at 10mm f3.5 (16mm equiv)
Mean corner fall-off: 42.3%

To measure and compare the Canon 10-22mm’s vignetting and light fall-off we photographed a white target with a highly diffused custom filter using it and a number of rival lenses.

The lenses were tested at their widest focal lengths with the aperture wide open using a Canon EOS-400D in Aperture Priority mode.

The images were analysed with Imatest and the full areas presented here at a reduced resolution. Bigger percentages are better.

The image left was taken with the Canon EF-S 10-22mm lens at 10mm f3.5. Here the light falls off in the corners to an average of 42.3% of the center measurement, which while noticeably worse than the kit and EF-S 17-85mm lenses, is not unexpected for such an extreme wide angle lens. Indeed it’s worth comparing how a lens with similar wide angle coverage performs on a full frame body: in our EF 17-40mm review using a Canon EOS 5D, the light fell off in the corners to 34.3% of the center measurement. It’s also worth pointing out that while the corner light fall-off value of the EF-S 10-22mm is similar to the EF-S 17-55mm, the latter suffers from a much steeper and more noticeable gradient in the far corners, whereas the former is more gentle and less obvious. So not a bad result for the EF-S 10-22mm here considering its extreme coverage.

 

Canon EF-S 17-85mm f/4-5.6 IS USM
Canon EF-S 18-55mm f/3.5-5.6
Canon EF-S 17-55mm f/2.8 IS USM
Canon 17-85mm wide angle uniformity test
Canon 18-55mm wide angle uniformity test
Canon 17-55mm wide angle uniformity test
17-85mm EF-S at 17mm f4
Mean corner fall-off: 57.8%
18-55mm EF-S at 18mm f3.5
Mean corner fall-off: 68.8%
17-55mm EF-S at 17mm f2.8
Mean corner fall-off: 46.8%

Canon EF-S 10-22mm f/3.5-4.5 USM uniformity comparison (longest focal length)

10-22mm EF-S at 22mm f4.5 (35mm equiv)
Mean corner fall-off: 55.3%

The lenses were tested at their longest focal lengths with the aperture wide open using a Canon EOS-400D in Aperture Priority mode.To measure and compare the Canon 10-22mm’s vignetting and light fall-off we photographed a white target with a highly diffused custom filter using it and a number of rival lenses.

The images were analysed with Imatest and the full areas presented here at a reduced resolution. Bigger percentages are better.

The image above was taken with the Canon EF-S 10-22mm lens at 22mm f4.5. Here the light falls off in the corners to an average of 55.3% of the center measurement, which again is worse then the kit and EF-S 17-85mm lenses, but not too far behind the EF-S 17-55mm. Once again the gradient is quite gentle and not particularly noticeable in real-life. Interestingly the light fall-off measured for the EF 17-40mm on the full-frame Canon EOS 5D is better than the EF-S 10-22mm when both are zoomed-in. At 40mm it measured a fairly respectable 63.1%.

 

Canon EF-S 17-85mm f/4-5.6 IS USM
Canon EF-S 18-55mm f/3.5-5.6
Canon EF-S 17-55mm f/2.8 IS USM
Canon 17-85mm telephoto uniformity test
Canon 18-55mm telephoto uniformity test
Canon 17-55mm telephoto uniformity test
17-85mm EF-S at 85mm f5.6
Mean corner fall-off: 77.5%
18-55mm EF-S at 55mm f5.6
Mean corner fall-off: 83.8%
17-55mm EF-S at 55mm f2.8
Mean corner fall-off: 60.8%

 

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