Table 2 : Major Specifications Comparison between EOS-1D Mark III and EOS-1D Mark II N indicates the newly developed functions for the EOS-1D Mark III (items marked with * require the use of accessories). Eindicates the superiority of the EOS-1D Mark III over the EOS-1D Mark II N.

Item EOS-1D Mark III EOS-1D Mark II N Imaging Sensor Imaging Sensor CMOS Effective Pixels (Approximate) 10.1 megapixel 8.2 megapixel Effective Sensor Size (mm) 28.1 x 18.7 28.7 x 19.1 35mm-Equivalent Focal Length 1.3x Color Filter System RGB primary color filter Low-pass Filter 3 Layers/Built-in, Non-removable EOS I.C.S Support (Sensor Cleaning) Yes — Recording System Image Processor Dual DIGIC III DIGIC II A/D Conversion [bit] 14 12 Recording Media CF Card (Type I, II) Yes SD Card Yes Card Slots 2 Automatic Switchover of Media Yes — CF/SD Simultaneous Recording (Backup) Yes Yes CF/SD Separate Recording Yes Yes Copying of Images Between Media Yes — Recording Pixels (Approx. Megapixels) Large 10.1 8.2 Middle 1 8 6.4 Middle 2 5.3 4.3 Small 2.5 2.0 RAW 10.1 8.2 sRAW 2.5 — JPEG Quality (Compression Ratio) Settings [Levels] 10 Picture Styles (Setting) Yes (6+3) Color Space sRGB/Adobe RGB RAW+JPEG Simultaneous Recording RAW+JPEG Yes sRAW+JPEG Yes — Max. Number of Images Saved per Folder 9999 User-Defined File Name 2 1 Selection of Noise Reduction Function Long Exposure Yes/Auto/No High ISO Speed Yes — Highlight Tone Priority Yes — White Balance Auto White Balance (AWB) Yes Preset WB Settings 6 Custom WB Images in card → Registered Yes Shooting → Registered Yes — Registered/saved settings 5 1 Number of Custom WB Settings on PC 5 3 WB Correction/WB Bracketing Yes/Yes Viewfinder Magnification (-1dpt, 50mm lens at infinity) 0.76 0.72 Coverage (%) 100 Standard Focusing Screen Ec-C IV (Laser Matte) Ec-C III (Laser Matte) Interchangeable Focusing Screen Yes Eye Point 20mm Dioptric Adjustment -3 to +1 (dpt.) Autofocus AF Points Cross-type 19 7 Assist AF 26 — Total 45 AF Frame Selection Quick Control Dial Focusing Range (EV) -1 to 18 0 to 18 AF Speed, Accuracy Excellent Predictive AF Minimum Distance (50 km/h, 300/2.8L) 8m AF-assist Beam External Flash Exposure Control P, Tv, Av, M and Bulb Yes Light Metering Mode (%) Evaluative Metering (No. of Zones) Yes (63) Yes (21) Partial (%) 13.5 Spot (%) 3.8 Metering Area (50/1.4; ISO 100) [EV] 0-20 ISO Speed Normal Range 100 - 3200 100 - 1600 Expansion (C. Fn) L:50, H:6400 L:50, H:3200 Safety Shift (C. Fn) Yes — Autoflash Metering Method E-TTL II Shutter Shutter Speed 1/8000 to 30 sec., Bulb X-sync Speed 1/300 sec 1/250 sec Release Time Normal 55ms Minimum 40ms Drive System Drive Mode Single S (Silent)/Single/High-speed Continuous/Low-speed Continuous Single/Continuous Continuous Shooting Speed (Approximate) 10fps 8.5fps Maximum Burst (Shots) JPEG/L 110 48 RAW 30 22 RAW+JPEG/L 22 19 Live View Shooting Remote Live View Yes — (Camera) Live View Yes — LCD Monitor Size 3'' 2.5'' Pixels (Approximate) 230,000 Max. Brightness Excellent (7) Good (5) Wide Picture Coverage 140/140 170/170 Menu display Font Size Excellent Good Menu Operation during Processing/Writing Yes Interface Languages 18 15 Playback Display Formats Single Image Yes Single Image+Shooting Info 3 1 4-image, 9-image Index Yes Histogram Brightness Yes RGB Yes Highlight Alert Yes AF Frame Display Yes Magnified View Magnification 1.5x to 10x Default Position Center/Selected AF point Image Review after Shooting Yes Rotate Manual/Auto Jump Yes (6) — Sound Recording Yes Customization Custom Functions 57 21 Personal Functions Integrated into Custom Functions 27 My Menu Registration Yes — Save/Load Camera Settings to/from Memory Card Yes (10) Yes (1) Original Image Data Evaluation System Yes Image Encryption Support* Yes — Compatible Wireless Transmitter WFT-E2 WFT-E1 Save to External Media* Yes — GPS Compatibility* Yes — External Interface PC Terminal USB 2.0 Hi-Speed IEEE1394 Video OUT Yes (NTSC/PAL) X-sync Flash Terminal Yes Remote Control Terminal Yes (N3-type) Extension System Terminal Yes — Shutter Durability (Release Cycles) 300,000 200,000 Power Source Battery Type Lithium ion secondary Nickel Metal Hydride Model LP-E4 NP-E3 Capacity 2300 1650 Battery information Remaining capacity detection Yes — Recharge performance Yes — Shutter count Yes — Number of shots (CIPA) 2200 shots 1200 shots Start-up time 0.2 sec Exterior Material Magnesium Alloy Color Black Water/Dust-Resistance Excellent Chassis Material Magnesium Alloy Dimensions (W x H x D) 156 x 156.6 x 79.9mm 156 x 157.6 x 79.9mm Weight Without batteries 1155g 1225g With batteries 1335g 1560g Price (in Japan/ yen) Open Release Late May 2007 (scheduled) September 2005