Sigma

Sigma 10-20mm f/3.5 EX DC HSM

by Digital Camera World October 13, 2009

Both Sigma lenses use the company’s HyperSonic Motor (HSM) autofocus, which is practically as quiet as the equivalent Canon and Nikon systems, although it proved rather slower in our tests.

Sigma DP2 Review

by Digital Camera World September 10, 2009

All makers but one use single-layer sensors, where the red, green and blue pixels are laid out in a pattern and the colour information for each pixel is interpolated using information from its neig

Sigma DP2

by Digital Camera World September 10, 2009

Megapixels alone don’t guarantee image quality.

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Sigma 10-20mm f/3.5 EX DC HSM

Sigma DP2 Review

Sigma DP2

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