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Sigma Joins the Mirrorless Wars with the sd Quattro and sd Quattro H

Sigma today dropped a surprise bomb on the camera industry by announcing a pair of formidable mirrorless cameras. While the DP Quattro packed Sigma's Foveon sensors, the fixed lenses and unwieldy designs weren't popular among photographers.

The sd Quattro and sd Quattro H boast large Foveon Quattro sensors behind a Sigma SA lens mount, allowing photographers to use Sigma's lineup of Global Vision lenses.

Canon Unveils a Monster 250-Megapixel Sensor

Canon today announced that it has created a monster of a CMOS sensor with the world's highest pixel count (for its size). The DSLR-format sensor manages to capture gigantic 250-megapixel photos with each exposure.

RED Epic Dragon Outstrips the D800E in DxOMark Tests, Breaks 100-Point Barrier

Until today, the Nikon D800E stood at the top of the DxOMark totem pole with an amazing sensor score of 96. But the champion has been unseated, and not by some Canon or Nikon full-frame camera or one of the impressive new APS-C shooters we've seen recently. No, the D800E has been decidedly put out of first place by the RED Epic Dragon video camera.