Field Notes: Grappling With the Sigma DP1 Quattro's Bizarre Shape 

Sigma is known primarily for lenses, but it also makes cameras. The most recent creation is the Quattro series. Like previous models, it uses Sigma's unique high resolution Foveon sensor. But this time around, some serious shape-shifting has been applied to the body for a truly oddball camera that is hard to come to… »12/11/14 2:18pm

Sigma 50mm f/1.4 Art Review: Great Glass That Punches Above Its Price

Sigma has been the darling of the lens world recently, producing high-performance products at reasonable prices. Its latest is the 50mm f/1.4 Art series lens, a long awaited addition to their line that we recently had the pleasure of trying out. You're not going to find much more lens for the price. »4/11/14 4:00am

Sigma Puts Its Incredible Image Sensor Technology Into Weird Cameras

Released over the last couple of years, Sigma's three DP Merrill cameras were clumsy boxes built around an amazing image sensor matched to prime lenses at three different focal lengths. They took amazing photos, but they were also kind of frustrating to use. Now the cameras are getting a complete revamp, including a… »2/10/14 2:00am

Sigma's New SD15 DSLR and DP2 Compact Cameras Hit, Improved Imaging Engines Aboard

Sigma's new SD15 and DP2 cameras are incremental developments of the original SD14 »9/23/08 4:39am and cameras, but without too much in the way of change. The SD15 and DP2 share the same 3-layer 14-megapixel Foveon X3 sensor as their predecessors, but have a new True (Three-layer Responsive Ultimate Engine) II image processor aboard…