Table 2: Comparison of EOS-1Ds Mark III specifications with EOS-1D Mark III and EOS-1Ds Mark II specifications

Item EOS-1Ds Mark III EOS-1D Mark III EOS-1Ds Mark II Imaging sensor Sensor type CMOS Effective no. of pixels [approx. megapixels] 21.10 10.10 16.70 Effective sensor size [mm] 36 x 24 28.1 x 18.7 36 x 24 Lens crop factor (35mm film equivalent) [approx. magnification] 1x ~1.3x 1x Color filter type RGB Low-pass filter Three-stage/Built-in EOS Integrated Cleaning System compatible Yes No Image recording Image processor Dual DIGIC III DIGIC II A/D conversion [bits] 14 12 Storage media CF card (Type I, II) Yes CF/UDMA compatible Yes No No SD card Yes No. of slots 2 Auto switch media Yes No Record to both CF/SD Yes Record separately to CF/SD Yes No Copy images between media Yes No Recording pixels [approx. megapixels] Large 21.00 10.10 16.60 Middle 1 16.60 8.00 8.60 Middle 2 11.00 5.30 6.30 Small 5.20 2.50 4.20 RAW 21.00 10.10 16.60 sRAW 5.20 2.50 n/a JPEG quality (compression rate) setting [steps] 10 Picture Styles (types) Yes (6 presets, 3 custom) Color matrix + processing parameters Color space sRAW + JPEG RAW + JPEG recording RAW + JPEG Yes sRAW + JPEG Yes No Max. images per folder 9,999 User file name settings (types) 2 n/a Noise reduction Long exposures Yes (Off/Auto/On) Yes (Off/On) High ISO speed Yes No Highlight tone priority Yes No White balance Auto white balance (AWB) Yes White balance presets [types] 6 Custom WB Images in card >registered Yes Shooting >registered Yes No Registered 5 1 No. of PC custom WB registrations 5 3 WB correction/WB bracketing Yes/Yes Viewfinder Magnification (-1 dpt, 50 mm, infinity) 0.76 0.7 Angle of view (diagonal) 35° 28.3° 31.9° Coverage [%] 100 Standard focusing screen Ec-CIV (laser matte) Ec-CIII (laser matte) Interchangeable focusing screens Yes Eye point [mm] 20 Dioptric adjustment [dpt] -3 - +1 Autofocus AF points Cross-type AF points 19 7 Assist AF points 25 n/a Total AF points 45 AF point selection Main dial Focusing brightness range [EV] -1 - +18 0 - 18 AF speed, accuracy Excellent Good 50 kph predictive AF limit (EF 300mm f/2.8L) [meters] 8 Exposure control P, Tv, Av, M, Bulb Yes Metering modes Evaluative (zones) Yes (63) Yes (21) Partial [%] 8.5 13.5 8.5 Spot [%] 2.4 3.8 2.4 Metering range (50/1.4, ISO 100) [EV] 0 - 20 ISO speeds Normal setting range [ISO] 100 - 1600 100 - 3200 100 - 1600 ISO extension (C.Fn) L: 50/H: 3200 L: 50/H: 6400 L: 50/H: 3200 ISO safety shift Yes No Autoflash metering method E-TTL II Shutter Shutter speeds [sec.] 1/8000 - 30, bulb X-sync [sec.] 1/250 1/300 1/250 Release time lag [ms] Normal 55 Optimum 40 Drive Drive modes Single (silent), Single, Continuous H, Continuous L Single/Continuous Continuous shooting [max. approx. fps] 5 10 4 Max. burst (H) JPEG/L 56 110 32 RAW 12 30 11 RAW + JPEG/L 10 22 9 Live View shooting Remote Live View shooting Yes No (Camera) Live View shooting Yes No LCD monitor Screen size [inches] 3 2 Pixels displayed [approx.] 230,000 Max. brightness (adjustment levels) Excellent (7) Good (5) Angle of view (vertical/horizontal) [°] 140/140 (not released) Menu displays Character size Large Medium Menu operation during image processing/writing Yes No. of display languages 18 12 Playback Display modes Single image Yes Single image + information [types] 3 1 4/9 index display Yes Histogram Brightness Yes RGB Yes Highlight alert Yes AF point display Yes Zoom-in magnification Magnification 1.5x - 10x Initial magnified position Center/User-selected AF point Center Confirmation display after shooting Yes No Rotated display Manual/Auto (camera, PC) Manual/Auto (camera) Image jump (types) Yes (6) No Sound recording Yes Customization Custom functions [types] 57 20 Personal functions [types] Consolidated with Custom functions 27 My Menu Yes No Save/read camera settings with card Yes (10) Yes (1) Original image verification data Yes Image encryption* Yes No Supported wireless transmitter (wireless LAN) WFT-E2 WFT-E1 External media connection* Yes No GPS device compatibility* Yes No Interfaces Computer interface USB 2.0 Hi-Speed IEEE 1394 Video output Yes (NTSC/PAL) Flash sync terminal Yes Remote control terminal Yes (N3 type) Extension system terminal Yes No Durability [shutter cycles] 300,000 200,000 Batteries Acceptable batteries Type Lithium-ion rechargeable battery Nickel-metal-hydride rechargeable battery Model LP-E4 NP-E3 Capacity [mAh] 2300 1650 Battery information Remaining capacity detection Yes No Recharge performance Yes No Shutter count Yes No No. of shots (CIPA standard) Room temperature (23°) 1800 2200 1200 Low temperature (0°) 1400 1700 800 Startup time [sec.] 0.2 0.3 Exterior Materials Magnesium alloy Exterior color Black Dust and water resistance Excellent Chassis material Magnesium alloy Dimensions (w x h x d) [mm] 156 x 159.6 x 79.9 156 x 156.6 x 79.9 156 x 157.6 x 79.9 Weight [g] Body only 1210 1155 1215 Body plus eyecup and battery pack 1390 1395 1550 Japanese domestic price [yen] Not fixed Release date Nov. 2007 (scheduled) May 2007 Nov. 2004

	EOS-1Ds Mark III specification outperforms the EOS-1Ds Mark II specification (*conditional with the use of system accessories)
	EOS-1D Mark III specification is different from the EOS-1Ds Mark III specification