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Canon:EOS 1Ds Mark III Specification

TypeDigital, single-lens reflex, AF / AE camera
Recording mediaType I or II CF card, SD memory card
* CF cards, SD memory cards (including SDHC), and Microdrive cards with a 2GB or larger capacity can be used
* High-speed data writing enabled with UDMA CF cards
* With Wireless File Transmitter WFT-E2 / E2A attached, recording possible with USB external media
Image sensor sizeApprox. 36 x 24mm
Compatible lensesCanon EF lenses (except EF-S lenses)
(The effective lens focal length is the same as indicated on the lens)
Lens mountCanon EF mount
Image Sensor 
TypeHigh-sensitivity, high-resolution, large single-plate CMOS sensor
PixelsEffective pixels: Approx. 21.10 megapixels
Total pixels:Approx. 21.90 megapixels
Aspect ratio3:2
Colour filter systemRGB primary colour filter
Low-pass filterLocated in front of the image sensor, non-removable
Dust deletion feature(1) Automatic sensor cleaning
(2) User-activated sensor cleaning
(3) Dust Delete Data appended to the captured image
Recording System 
Recording formatDesign rule for Camera File System 2.0 & Exif 2.2
Image typeJPEG, RAW (14 bits)
RAW Type + JPEG Type simultaneous recordingProvided (sRAW + JPEG also possible)
File sizeL (Large):
Approx. 6.4MB (5616 x 3744 pixels)
M1 (Medium1):Approx. 5.2MB (4992 x 3328 pixels)
M2 (Medium2):Approx. 3.9MB (4080 x 2720 pixels)
S (Small):Approx. 2.2MB (2784 x 1856 pixels)
RAW:Approx. 25.0MB (5616 x 3744 pixels)
sRAW:Approx. 14.5MB (2784 x 1856 pixels)
* JPEG quality: 8, ISO 100, Picture Style: Standard
* Exact file sizes depend on the subject, JPEG quality, ISO speed, Picture Style, etc.
Folder settingFolder creation / selection enabled
File namePreset code, User setting1 (4 characters), User setting2 (3 characters + 1 image size character)
File numberingConsecutive numbering, auto reset, manual reset
Colour spacesRGB, Adobe RGB
Picture StyleStandard, Portrait, Landscape, Neutral, Faithful, Monochrome, User Def. 1 - 3
Recording methods(1) Standard
(2) Auto switch media (recording media switched automatically)
(3) Rec. separately (specified image size for each recording media)
(4) Rec. to multiple (same image recorded to all recording media)
Image copyImage copying between recording media enabled (Images with checkmarks or all images in folder or card)
BackupWith WFT-E2 / E2A attached, all images and folders in the CF card and SD card can be backed up to USB external media
White Balance 
SettingsAuto, daylight, shade, cloudy, tungsten light, white fluorescent light, flash, custom (total 5 settings), colour temperature setting, personal white balance (total 5 settings)
Auto white balanceAuto white balance with the image sensor
Colour temperature compensationWhite balance correction:
±9 stops in full-stop increments
White balance bracketing:±3 stops in full-stop increments
* Blue / amber direction or magenta / green direction possible
Colour temperature information transmissionProvided
TypeEye-level pentaprism
CoverageApprox. 100 percent vertically and horizontally with respect to the effective pixels
Magnification0.76x (-1 diopter with 50mm lens at infinity)
Built-in dioptric adjustment-3.0 - +1.0 diopter
Focusing ScreenInterchangeable (11 types, sold separately), Standard focusing screen: Ec-C IV
MirrorQuick-return half mirror (transmission:reflection ratio of 37:63, no mirror cut-off with EF1200mm f/5.6L USM or shorter lens)
Viewfinder informationAF information (AF points, focus confirmation light), metering and exposure information (metering mode, spot metering circle, shutter speed, aperture, manual exposure, AE lock, ISO speed, exposure level, exposure warning), flash information (flash ready, FP flash, FE lock, flash exposure level), white balance correction, JPEG / RAW recording, maximum burst, number of shots remaining, battery check, recording media information
Depth-of-field PreviewEnabled with depth-of-field preview button
Eyepiece shutterBuilt-in
TypeTTL-AREA-SIR with a CMOS sensor
AF Points19 AF points (cross-type) and 26 Assist AF points (total 45 points)
Metering rangeEV -1 - 18 (at 23°C / 73°F, ISO 100)
Focus modesOne-Shot AF (ONE SHOT), AI Servo AF (AI SERVO), Manual focusing (MF)
AF point selectionAutomatic selection (45 points), manual selection (19 points, 9 inner points, 9 outer points)
Selected AF point displaySuperimposed in viewfinder and indicated on top LCD panel
AF-assist beamEmitted by the dedicated external Speedlite
Exposure Control 
Metering modes63-zone TTL full-aperture metering
(1) Evaluative metering (linkable to any AF point)
(2) Partial metering (approx. 8.5% of viewfinder at center)
(3) Spot metering
• Center spot metering (approx. 2.4% of viewfinder at center)
• AF point-linked spot metering (approx. 2.4% of viewfinder)
• Multi-spot metering (Max. 8 spot metering entries)
(4) Center-weighted average metering
Metering RangeEV 0 - 20 (at 23°C / 73°F with EF50mm f/1.4 USM lens, ISO 100)
Exposure controlProgram AE (shiftable), shutter-priority AE, aperture-priority AE, manual exposure, E-TTL II autoflash, flash metered manual
ISO speed (Recommended Exposure Index)100 - 1600 (1/3- or 1-stop increments), expandable to ISO 50 (L) and 3200 (H)
Exposure compensationManual: ±3 stops in 1/3- or 1/2-stop increments (can be combined with AEB)
AEB:±3 stops in 1/3- or 1/2-stop increments
AE lockAuto: Applied in One-Shot AF mode with evaluative metering when focus is achieved
Manual:By AE lock button in all metering modes
TypeElectronically-controlled, focal-plane shutter
Shutter Speeds1/8000 to 30secs. (1/3-, 1/2-, and 1-stop increments), bulb, X-sync at 1/250sec.
Shutter releaseSoft-touch electromagnetic release
Self-timer10secs. or 2secs. delay
Remote controlRemote control with N3 type terminal
Drive System 
Drive modesSingle, High-speed continuous, Low-speed continuous, Self-timer (10secs. and 2secs.), and Silent single shooting
Continuous shooting speed (Approx.)High-speed continuous: Max. 5 shots/sec.
Low-speed continuous:Max. 3 shots/sec.
Max. burstJPEG (Large): Approx. 56
RAW:Approx. 12
RAW + JPEG (Large):Approx. 10
* Based on Canon’s testing conditions with a 2GB CF card for high-speed continuous shooting with JPEG quality 8, ISO 100, Standard Picture Style.
* Varies depending on the subject, memory card brand, image-recording quality, ISO speed, drive mode, Picture Style, Custom Functions, etc.
External Speedlite 
Compatible flashEX-series Speedlites
Flash meteringE-TTL II autoflash
Flash exposure compensation±3 stops in 1/3- or 1/2-stop increments
FE lockProvided
External flash settingsFlash function settings, Flash C.Fn settings
PC terminalAvailable
Zooming to match lens focal lengthAvailable
Live View Functions 
Shooting modes(1) Remote Live View shooting (with a personal computer installed with EOS Utility)
(2) Live View shooting
FocusingManual focus
Metering modesEvaluative metering with the image sensor
Metering rangeEV 0 - 20 (at 23°C / 73°F with EF50mm f/1.4 USM lens, ISO 100)
Magnified viewMagnifiable by 5x or 10x at AF point
Grid displayProvided
Exposure simulationProvided
LCD Monitor 
TypeTFT colour liquid-crystal monitor
Monitor size3.0 inches
PixelsApprox. 230,000
CoverageApprox. 100%
Brightness adjustment7 levels provided
Interface languages18
Image Playback 
Display formatSingle image, single image + image size, shooting info, histogram, 4-image or 9-image index, magnified zoom (approx. 1.5x - 10x), rotated image, jump (by 1 / 10 / 100 images, 1 screen, shooting date, or folder)
Highlight alertProvided (Overexposed highlights blink)
Image Protection and Erase 
ProtectErase protection of one image, all images in a folder, or all images in the memory card can be applied or canceled at one time
EraseOne image, all images with checkmarks in a folder, or all images in the memory card can be erased (except protected images) at one time
Sound Recording 
Recording methodThe sound clip recorded with the built-in microphone is attached to the image
File typeWAV
Recording timeMax. 30secs. per sound clip
Direct Printing 
Compatible printersPictBridge-compatible printers
Printable imagesJPEG images compliant to Design rule for Camera File System (DPOF printing possible) and RAW / sRAW images captured with the EOS-1Ds Mark III
Digital Print Order Format 
DPOFVersion 1.1 compatible
Direct Image Transfer 
Compatible imagesJPEG and RAW / sRAW images
* Only JPEG images can be transferred as wallpaper on the personal computer screen
Custom FunctionsTotal 57
My Menu registrationProvided
My Menu registrationProvided
Save camera settingsProvided
Register basic camera settingsProvided
USB terminalFor personal computer communication and direct printing (USB 2.0 Hi-Speed)
Video OUT terminalNTSC / PAL selectable
Extension system terminalFor connection to WFT-E2 / E2A
Power Source 
BatteryBattery Pack LP-E4 (Quantity 1)
* AC power can be supplied via AC Adapter Kit ACK-E4
Battery lifeAt 23°C / 73°F:
Approx. 1800 shots
At 0°C / 32°F:Approx. 1400 shots
* With fully-charged Battery Pack LP-E4
* Without Live View shooting
* The figures above are based on CIPA (Camera & Imaging Products Association) testing standards
Battery checkAutomatic (Displayed in 6 levels)
* Detailed battery information provided
Power savingProvided. Power turns off after 1, 2, 4, 8, 15, or 30mins.
Date / time batteryOne CR2025 lithium battery
Startup timeApprox. 0.2sec.
Dimensions and Weight 
Dimensions (W x H x D)156 x 159.6 x 79.9mm / 6.1 x 6.3 x 3.1in.
Weight (Approx.)1210g / 42.7oz. (Body only)
Operation Environment 
Working temperature range0°C - 45°C / 32°F - 113°F
Working humidity85% or less
Battery Pack LP-E4 
TypeRechargeable lithium ion battery
Rated voltage11.1 V DC
Battery capacity2300mAh
Dimensions (W x H x D)68.4 x 34.2 x 92.8mm / 2.7 x 1.3 x 3.7in.
Weight (Approx.)180g / 6.3oz. (excluding protective cover)
Battery Charger LC-E4 
TypeCharger dedicated to the Battery Pack LP-E4
Recharging timeApprox. 120mins. (for 1 pack)
Rated input100 - 240V AC (50/60Hz)
12V / 24V DC
Rated output12.6V DC, 1.55 A
Power cord lengthApprox. 2m / 6.6ft.
Working temperature0°C - 40°C / 32°F - 104°F
Working humidity85% or less
Dimensions (W x H x D)155 x 52.3 x 95mm / 6.1 x 2.1 x 3.7in.
Weight (Approx.)340g / 12.0oz. (excluding power cord and protective covers)
AC Adapter Kit ACK-E4 
[DC Coupler] 
Rated input12.6V DC
Rated output11.1V DC
Cord lengthApprox. 2.3m / 7.5ft.
Working temperature0°C - 45°C / 32°F - 113°F
Working humidity85% or less
Dimensions (W x H x D)68.4 x 34.2 x 92.8mm / 2.7 x 1.3 x 3.7in.
Weight (Approx.)165g / 5.8oz. (excluding protective cover)
[AC Adapter] 
Rated input100 - 240V AC (50/60Hz)
Rated output12.6V DC, 2 A
Power cord lengthApprox. 2m / 6.6ft.
Working temperature0°C - 45°C / 32°F - 113°F
Working humidity85% or less
Dimensions (W x H x D)64.5 x 32.6 x 106mm / 2.5 x 1.3 x 4.2in.
Weight (Approx.)185g / 6.5oz. (excluding power cord)

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