 The Canon EOS-1D Mark III uses dual DIGIC III processors to achieve a capture rate of 10 frames per second at 10.1 MP (with a maximum burst of 110 JPEG images, depending on the speed of the attached storage).The Canon EOS-1Ds Mark III also uses dual DIGIC III processors to achieve a capture rate of five frames per second at 21.1 MP.In 2008, Canon introduced the DIGIC 4 processor, used by the EOS 1100D/Rebel T3, EOS 500D/Rebel T1i, EOS 550D/Rebel T2i, EOS 600D/Rebel T3i, EOS 50D, EOS 60D, EOS 1200D/Rebel T5, EOS 5D Mark II and EOS-1D X (for metering and AF only).