The Canon 1D Mark 4 features a new 16.1 Megapixel APS-H CMOS sensor and Dual DIGIC 4 Image Processors for high image quality and speed.
45-point Area AF sensor including 39 cross-type AF points with f/2.8 support plus new AI Servo II AF with improved algorithm. ISO 100 - 12800 (expandable to L: 50, H1: 25600, H2: 51200, H3: 102400) for shooting from bright to dim light with low noise levels. EOS HD movie with manual exposure control and multiple frame rates (1080: 30p (29.97) / 24p (23.976) / 25p, 720: 60p (59.94) / 50p, 480: 60p (59.94) / 50p). 10 fps continuous shooting up to 121 Large JPEGS or 28 RAW using a UDMA CF card.
Supported accessories include: