Just posted! Our hands-on preview of Sigma's flagship SD1 DSLR. With its unique 15MPx3 Foveon X3 sensor that captures full color detail at each pixel location, the SD1 caused a something of a stir when it was first announced at Photokina 2010, and possibly an even bigger one when its eye-watering price was revealed recently. We've been lucky enough to get hold of a rare pre-production camera, and have prepared a hands-on preview detailing its design and operation.

Click here for our hands-on preview of the Sigma SD1