Sigma 10-20mm F3.5 EX DC HSM Canon

Sigma 10-20mm F3.5 EX DC HSM Canon

Released March 2009

Sigma 10-20mm F3.5 EX DC HSM Canon
Sigma 10-20mm F3.5 EX DC HSM Canon
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Sigma 10-20mm F3.5 EX DC HSM Canon

Sigma 10-20mm F3.5 EX DC HSM Canon

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DXOMARK Score [?]

Best at f=10mm & f/3.5 [?]
10

Lens Metric Scores [?]

Sharpness [?]
6 P-Mpix
Transmission [?]
3.9 TStop
Distortion [?]
0.4 %
Vignetting [?]
-1 EV
Chr. aberration [?]
13 µm

Sigma 10-20mm F3.5 EX DC HSM Canon Review

Review of the Sigma 10-20mm F3.5 EX DC HSM Canon lens

 This lens was specially designed for APS-C-format cameras. Three of its four aspherical lenses are made of low-dispersion glass elements — specifically, 2 ELD (extraordinary low dispersion) lenses and 1 SLD (special low dispersion) lens.Its minimum focus distance is 24cm, regardless of focal length, and the maximum reproduction ratio is 1: 6.5.Tests and reviewsSigma 10-20mm F3.5 EX DC HSM Canon on a Canon EOS 7D cameraWhat we liked:Good distortion correction (especially for a wide-angle zoom).Very reasonable vignetting at maximum aperture.Excellent resolution for this type of lens.What we didn’t like:Significant chromatic aberrations.The weight.ComparisonSigma 10-20mm F3.5 EX DC HSM