Panasonic Lumix GH4 Sensor Type: MOS Shutter: Rolling Sensor Dimensions: 17.3 mm x 13 mm (0.68 in x 0.51 in) Image Resolution: 3840 x 2160 1920 x 1080 1280 x 720 848 x 480 640 x 480 320 x 240 Output Type: 8-bit QuickTime Motion JPEG 8-bit AVCHD MPEG-4