At f1.4, the lens delivers excellent sharpness, though unsurprisingly it seems to perform best in the f1.8-to-f11 range. There's little distortion, I saw no vignetting, and it has nice clarity.

For the I Series, Sigma puts an emphasis on the aesthetics of the lens itself. Fittingly, the 50mm F2 DG DN Contemporary features a black anodized aluminum barrel, knurled focus and aperture rings, ...

Photographers in the market for a new high quality lens to use with one of the full frame sensors on the market will be excited about the new offering from Sigma. The company has announced that the ...

Shortest of the four true Macro lenses produced by Sigma, this 50mm version is in its third generation having first been introduced in 1990. Having metamorphosed into the EX version in 1998 it has now ...

NEW YORK, NY--(Marketwired - April 11, 2014) - B&H Photo and Sigma are pleased to announce the price and availability of the newest addition to its Art camera lens lineup, the 50mm f/1.4 DG HSM Art ...

Sigma created its I Series lenses to offer high-quality compact primes for full-frame Sony E and Leica L shooters. Now, that lineup includes a pair of new lenses, including a super-wide 17mm f/4 DG DN ...

The all-new SIGMA 18-50mm F2.8 DC DN | Contemporary is SIGMA’s first mirrorless zoom for crop sensor cameras. With a full-frame equivalent focal range of 27-75mm, it combines exceptional versatility ...

Somewhat oddly, it has been a pretty good CES for fixed-lens compacts. Yesterday, Fujifilm announced their new X100S digital rangefinder, and now Sigma has an update to their DP line with the DP3.