Category: camera reviews

Sigma dp2 quattro 1

Sigma dp2 quattro: the review

Sigma dp2 Quattro: the review Foveon X3 sensor Much has been written about the Foveon sensor design. It consists of 3 stacked layers embedded in silicone. Silicone absorbs different frequencies of light at different...

Sigma DP2 Quattro 0

Sigma DP2 Quattro: lens sharpness

Sigma DP2 Quattro: lens sharpness Introduction The Sigma DP2 Quattro would have benefited from a faster lens, especially for focussing in low light. f/2.8 is what you’d expect for a fixed zoom lens and...