The Sigma USB Dock ($59 direct)($42.00 at Amazon) is an inexpensive accessory that allows you to take full control over the performance of your Sigma lenses. It's compatible with recent glass that's ...

So I purchased one of the new Sigma 18-300mm F3.5-6.3 DC MACRO OS HSM Contemporary lenses for my Canon T1i and the USB dock to make adjustments/updates. There is some definite back focusing at middle ...

Sigma have announced 4 new lenses, 2 new teleconverters and a new USB dock. Firstly, Sigma have released 3 new prime DC DN lenses for L-mount, the lens mount used by Leica, Panasonic and Sigma.

Sigma’s MC-11 lens adapter, which allows for Canon and Sigma mount lenses to be used on Sony’s mirrorless E Mount cameras, has just received a significant firmware update. The Japanese firm, which has ...

The Sigma USB Dock ($59 direct) is an inexpensive accessory that allows you to take full control over the performance of your Sigma lenses. It's compatible with recent glass that's part of the company ...