Sigma 10-20 mm f/3.5 EX DC HSM review - Chromatic aberration

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Sigma 10-20 mm f/3.5 EX DC HSM

25 September 2009

Arkadiusz Olech

5. Chromatic aberration

Plenty ultra wide angle lenses have lots of problems with chromatic aberration, especially when used at the shortest focal lengths. Sigma 10-20 mm f/3.5 behaves in this category quite uncommonly, as here, the largest aberration was noticed in the middle of focal lengths, where it’s large.

Sigma 10-20 mm f/3.5 EX DC HSM - Chromatic aberration

When we move to the widest angle, aberration falls to the boundary of medium and large level. At the maximum focal length troubles with this aberration will bother us the least.

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It’s a shame that the new model didn’t repeat its predecessor’s results. The old Sigma 10-20 mm in the whole range of apertures and focal lengths recorded aberration in the range 0.05-0.08%, which was a really excellent result.