Sony Electronics today introduced its new flagship full-frame mirrorless camera, the 42.4MP α7R II. The new α7R II interchangeable lens camera features a back-illuminated full-frame Exmor R CMOS sensor1, sensitivity expandable up to ISO 102400, and high speed AF response which Sony claims is up to 40 percent faster than the original α7R thanks to 399 focal plane phase detection auto focus points.
