Extend your powers of perception with the new α7S II, for extra sensitivity, wide dynamic range, accurate focusing, and unshakeable stability to shoot with solid assurance.35 mm full frame (35.6 x 23.8 mm), Exmor® CMOS sensor BIONZ X™ processing engine 4K movie recording featuring full pixel readout without pixel binning 5-axis optical image stabilization minimizes blur Fast Intelligent AF with enhanced speed and accuracy LENS COMPATIBILITY Sony E-mount lenses SENSOR TYPE 35 mm SENSOR 35 mm full frame (35.6 x 23.8 mm), Exmor® CMOS sensor NUMBER OF PIXELS (EFFECTIVE) Approx.12.2 MP ISO SENSITIVITY Still images: ISO 100-102400 (expandable to ISO 50-409600), AUTO (ISO 100-12800, selectable lower limit and upper limit), Movies: ISO 100-102400 equivalent (expandable to ISO 100-409600 equivalent), AUTO (ISO 100-12800 equivalent, selectable lower limit and upper limit) BATTERY LIFE (CIPA, STILL IMAGES) Approx. 310 shots (viewfinder) / Approx. 370 shots (LCD screen) (CIPA standard) VIEWFINDER TYPE XGA OLED, 0.5" (1.3 cm) electronic viewfinder (color) SCREEN TYPE 2.95 in (3.0 type) TFT drive