Sigma sd Quattro: Hands-On First Look

The Sigma sd Quattro is the first mirrorless interchangeable lens camera released to feature a Foveon X3 Direct Image Sensor.

Sigma dp2 Quattro: First Look

I’ve spent the weekend with the dp2 Quattro, and I can tell you straight-out that this is far and away the best dp camera I’ve had my hands on. Here’s our first look at the Sigma dp2 Quattro.