Canon EOS-1Ds 11.1MP Digital SLR Camera (Body Only) World's first digital SLR that can prove its images are unaltered, original files Accepts Canon EF lenses; 3 fps for up to 10 consecutive frames Compatible with Compactflash Type I and II cards and IBM Microdrives Connects with Macs and PCs via Firewire port (IEEE 1394 ) Battery life has been improved by reducing power consumption; powered by NiMH battery pack