The Canon EOS-1DS MARK III has these features:
Recording Medium
CF Card Type I and II, SD/SDHC Memory Card (1 slot each), and/or External media (USB v.2.0 hard drive, via optional Canon WFT-E2A transmitter), compatible with UDMA-compliant CF cards, and SDHC SD cards
Image Format 1.42 x 0.94 in./36.0 x 24.0mm (full-frame sensor)
Image Sensor Type
Full-frame, high-sensitivity, high-resolution, single-plate, CMOS sensor
Pixels
Approx. 21.10 megapixels
Recording Format - File Size
JPEG/Large: Approx. (TBA) MB (5,616 x 3,744)JPEG/Medium 1: Approx. (TBA) MB (4,992 x 3,328)JPEG/Medium 2: Approx. (TBA) MB (4,080 x 2,720)JPEG/Small: Approx. (TBA) MB (2,784 x 1,856)RAW: Approx. (TBA) MB (5,616 x 3,744)sRAW: Approx. (TBA) MB (2,784 x 1,856)
White Balance Options
Auto, Daylight, Shade, Cloudy, Tungsten Light, White Fluorescent Light, Flash, five Custom WB settings (1-5), user-set Color Temperature (2,500~10,000K), five Personal White Balance PC-1 to PC-5
View Finder Coverage
Approx. 100% horizontally and vertically
ISO Speed Range
Equivalent to ISO 100-1600* (in 1/3-stop or whole stop increments), ISO speed can be expanded to ISO 50 and 3200 (via C.Fn I-3)
Shutter Speed
/8000 to 30 sec. (1/3-, 1/2- or 1-stop increments), X-sync at 1/250 sec. (with EOS dedicated external Speedlites; 1/250 maximum with other shoe-mount flashes, and 1/60th-1/250th with studio strobes*)
Dimensions
6.1 x 6.3 x 3.1 in./156 x 159.6 x 79.9mm
Weight
42.5 oz./1,205g