Sigma is a well-known lens manufacturer based in Japan. Last month, the company officially informed its users about an issue that occurred with select units of 2870mm F2.8 DG DN lens. This lens is ...

The company's new 28-70mm F2.8 zoom weighs just a bit over a pound and is available for L-mount and Sony E-mount camera systems. Images, and the devices that capture them, are my focus. I've covered ...

Photographers often bristle at plastic parts on their cameras and lenses. As part of a larger effort to build a smaller, lighter walk-around lens, however, Sigma has opted for revamped plastic ...

The Sigma 28-70mm F2.8 DG DN Contemporary ($899) is a relatively compact zoom lens for full-frame cameras. It's smaller and less expensive than more common 24-70mm F2.8 optics, adding appeal for ...

At 28mm, central sharpness is very good all the way through from f/2.8 to f/22. The edges are good at f/2.8, very good from f/4 to f/16 and just fair at f/22. At 35mm, central sharpness is very good ...

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Sigma is adding another mirrorless lens to its growing catalog. Its 28-70mm F2.8 DG DN Contemporary has plenty of appeal for mirrorless photographers thanks to a design that's notably lighter than ...

Used Sigma 70-200mm f/2.8 EX APO HSM - Can... Heavily Used £179 Used Sigma 50mm f/1.4 DG HSM ART - Canon E... Heavily Used £234 Used Sigma 50-150mm f/2.8 EX APO DC HSM II... Heavily Used £124 Used ...

Sigma is adding another mirrorless lens to its growing catalog. Its 28-70mm F2.8 DG DN Contemporary has plenty of appeal for mirrorless photographers thanks to a design that's notably lighter than ...