16 October 2013 In what will certainly kick-start a revolution in full-frame photography hardware, Sony today announced the highly anticipated a7, housing a 35mm full-frame sensor, 24.3 megapixels, interchangeable lens, mirrorless compact system camera. Sony also announced the full-frame 36.4 megapixel a7R, the bigger brother of the a7 (but only in megapixels not physical size). [...]