Sigma has announced two new mirrorless cameras which will use its Foveon X3 image sensor (Quattro generation). The upcoming sd Quattro and sd Quattro H will employ APS-C and APS-H sized versions of ...

Photography News: Sigma Announces Two Mirrorless Cameras Featuring Their Proprietary Foveon X3 Quattro Sensors and SA-Mount Lens Compatibility, as Well as a Wireless TTL-Enabled External Flash ...

Sigma's Foveon sensor technology has long delivered image quality that blows away mainstream cameras—at least at low ISOs. But poor image quality when the ISO is pushed to moderate levels, and a ...

I've been reviewing hardware and software, devising testing methodology and handed out buying advice for what seems like forever; I'm currently absorbed by computers and gaming hardware, but ...

From Sigma: The SIGMA Corporation is pleased to announce the SIGMA sd Quattro and SIGMA sd Quattro H, two new high-image-quality digital cameras that incorporate the Foveon X3 direct image sensor ...

When it comes to camera design, Sigma has always kept things interesting, and that’s certainly true with its new mirrorless cameras, the sd Quattro and the sd Quattro H. As you might expect, the ...

SIGMA corporation, a manufacturer known mostly for its off-brand camera lenses, announced their new APS-H sensor mirrorless camera named “sd Quattro H”. The APS-H sensor stands in-between the Full ...

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The heart of Sigma's cameras is the Foveon sensor, something that is unique to Sigma, with no other manufacturer featuring a Foveon sensor. (Sigma were so keen on the sensor, that they bought the ...