We've seen prototypes under glass and been hearing rumors for months, but Sony's Alpha DSLR-A900 became official September 9 at 9 a.m. ET. The A900's main claim to fame is its 24-megapixel full-frame (the size of a 35mm frame of film) sensor, the highest resolution in a digital SLR to date.
Sony makes a point of not calling this a "professional" camera, instead referring to it as the "flagship" model of its dSLR line. However, it's priced like a pro model, and its competitors--the Nikon D700 and the we-expect-soon-to-be-replaced Canon EOS 5D--are widely used by professionals. We've had one for a few days and have had a chance to run it through our lab tests and shoot with it long enough to develop some preliminary opinions. … Read more