Canon EOS 1D Mark III Digital Camera

Digital AF/AE SLR
 
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)
 
Image Format
1.11 x 0.74 in./28.1 x 18.7mm (APS-H size sensor)
 
Compatible Lenses
Canon EF, TS-E, and MP-E lenses (except EF-S lenses)
 
Lens Mount
Canon EF mount
 
Lens Focal Length Conversion Factor*
1.3x
 
Image Sensor
Type
High-sensitivity, high-resolution, single-plate, CMOS sensor
 
Pixels
Approx. 10.10 megapixels
 
Total Pixels
Approx. 10.70 megapixels
 
Aspect Ratio
3:2 (Horizontal:Vertical)
 
Color Filter System
RGB primary color filters
 
Low-pass Filter
Fixed position in front of the CMOS sensor
 
Recording System
Recording Format
DCF 2.0 (Exif 2.21): JPEG, RAW and RAW+JPEG simultaneous recording possible. Multiple options for recording images on two memory cards, and onto compatible external USB hard drives (via optional Wireless File Transmitter WFT-E2A)
 
Image Format
JPEG, RAW (Canon .CR2)
 
File Size
(1) JPEG/Large: Approx. 10.1MB (3,888 x 2,592)
(2) JPEG/Medium 1: Approx. 8.0MB (3,456 x 2,304)
(3) JPEG/Medium 2: Approx. 5.3MB (2,816 x 1,880)
(4) JPEG/Small: Approx. 2.5MB (1,936 x 1,288)
(5) RAW: Approx. 10.1MB (3,888 x 2,592)
(6) sRAW: Approx. 2.5MB (1,936 x 1,288)
 
Folders
Can be manually created by user, and freely selected for subsequent images.
 
File Numbering
(1) Continuous numbering (2) Auto reset (3) Manual reset (the image numbering is reset to 0001, a new folder is created automatically)
 
Color Space
Selectable between sRGB and Adobe RGB
 
Interface
USB 2.0 Hi-Speed, mini-B port. NTSC/PAL for video output
 
White Balance
Settings
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 (Total 10 WB types)
 
Auto White Balance
Auto white balance, taken from imaging sensor
 
Color Temperature Compensation
White balance bracketing: Three consecutive images, Up to 3 levels in 1-stop increments White balance correction: blue/amber bias and/or magenta/green bias 9 levels; manually set by user
When blue/amber bias and magenta/green bias set with White balance correction, white balance bracketing cannot be set together during white balance correction

Viewfinder
Type
Eye-level SLR with fixed pentaprism
 
Coverage
Approx. 100% horizontally and vertically
 
Magnification
0.76x (-1 dpt with 50mm lens at infinity)
 
Eyepoint
Approx. 20mm
 
Dioptric Adjustment Correction
-3.0 to +1.0 diopter
 
Mirror
Quick-return half mirror (Transmission: reflection ratio of 37:63)
 
Viewfinder Information
AF (AF points, focus confirmation light), Exposure (metering mode, spot metering area, shutter speed, aperture, manual exposure, AE lock, ISO speed, exposure level, exposure compensation, exposure warning), Flash (flash ready, high-speed sync, FE lock, flash exposure level), Image (JPEG recording, RAW recording, shots remaining, white balance correction, memory card information), Battery check
 
Depth-of-Field Preview
Enabled with depth-of-field preview button; possible in Live View mode
 
Eyepiece Shutter
Built-in
 
Autofocus
Type
TTL-AREA-SIR AF-dedicated CMOS sensor
 
AF Points
19 cross-type AF points (plus 26 Assist AF points)
 
AF Working Range
EV -1 ~18 (ISO 100 at 73°F/23°C)
 
Focusing Modes
Autofocus (One-Shot AF, Predictive AI Servo AF), Manual Focus (MF)
 
AF Point Selection
Automatic selection; Manual AF point selection: 19 AF points, Inner 9 AF points (C.Fn III-9-1), Outer 9 AF points (C.Fn III-9-2)
 
Selected AF Point Display
Superimposed in viewfinder and on LCD panel