Ahead of our full review, here are 64 full-size sample images taken with the Sigma 50mm F1.4 DG HSM A lens mounted on a Canon EOS 5D Mark III body. The Sigma 50mm F1.4 DG HSM A is a fast standard ...

Here are a number of sample photos from the new Sigma dp3 Quattro - the camera features a 50mm f/2.8 lens, a 20/39 megapixel Foveon X3 sensor, along with a new camera design and image processor. We ...

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, ...

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.

The 18-50mm lives up to its small-and-light billing. It measures 2.9 by 2.6 inches (HD) and weighs just 10.2 ounces. It's lighter and smaller than its closest competitor, the Tamron 17-70mm F2.8 (4.7 ...

Ahead of our full review, here are some sample JPEG and Raw images taken with the Sigma 50mm F1.4 DG HSM Art for Sony E-Mount lens mounted on a Sony A7R III body. The Sigma 50mm F1.4 DG HSM Art for ...

Hot on the heels of Sigma's new 17mm f/4 DG DN Contemporary optic, just reviewed, we have here a second lens sharing much of the same design ethos, the Sigma 50mm f/2 DG DN Contemporary. Compact and ...