Sony Unveils World's First Full-Frame Mirrorless Cameras

There's been a bit of buzz about Sony's rumored Alpha A7 mirrorless camera models, and finally, the company revealed early on Wednesday what photography fans have been waiting for: its α7 and α7R digital cameras. It also surprised with a new RX10 zoom camera to its Cyber-shot line. Sony claims its new mirrorless models, the Alpha 7 (pictured above) and Alpha 7R (for advanced photographers and professionals), are the world's smallest full-frame interchangeable-lens cameras. See also: 12 Most Cl...