RONKONKOMA, N.Y., June 18, 2020 (GLOBE NEWSWIRE) -- Sigma Corporation today made the following announcements: - TC-1411 magnifies lens focal length by 1.4x. - TC-2011 magnifies lens focal length by 2x ...

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 ...

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.

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 ...

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 ...

Launch of the 100-400mm F5-6.3 DG DN OS Contemporary, Sigma’s first ultra telephoto lens designed exclusively for full-frame mirrorless cameras. Introduction of two new teleconverters ...