Canon EOS 5D Mark III 22.3MP Full Frame CMOS with 1080P Full-HD Video Mode Digital SLR Camera - Body Only Image Sensor: CMOS Image Sensor Size: Approx. 36 mm x 24mm (35mm Full-frame) Image Processor: DIGIC 5+ LCD: 3.2 Max. Recording Resolution: 1920 x 1080 (Full HD), 1280 x 720 and 640 x 480 ISO Sensitivity: For Stills: ISO 100-25600 (in 1/3-stop or whole-stop increments) ISO speed expansion possible to ISO 50, 51200, and 102400. For [Highlight tone priority], the settable ISO speed range will be 200-25600. Lens Mount: Canon EF Mount Series: EOS