We take a detailed look at the top 20 lenses announced at the bi-annual Cologne photography fair.
Sigma has introduced a new compact camera with an unusual design. The Sigma dp incorporates a Foveon X3 direct image sensor and will be available in three focal lengths.
CES 2014Sigma has announced improvements to two of its key lenses - the 50mm f/1.4 and 18-200mm zoom lenses.
Buying GuideWhat's the best portrait lens you can buy for a sensible price? Here are eight of the best affordable wide-aperture, fixed-length lenses.
Sigma has introduced an 18-35mm f/1.8 constant aperture zoom lens designed for DSLRs with APS-C sized sensors.
Sigma has introduced three new optics compatible with Micro Four Thirds and Sony mirrorless cameras.
CES 2013This year we've seen another bumper crop of new cameras announced at CES, take a look at our round-up to catch up with any new offerings you might have missed.
Sigma has squeezed the Foveon x3 sensor from the SD1 Merrill DSLR into this compact camera. It's not your average compact.