Canon EOS 1Ds Mark III

Released August, 2007
  • 21 MP
  • Full frame 36 x 24 mm CMOS
  • 3" LCD
If the thumbnails selected are RAW images you can also adjust RAW parameters either individually or as a group (see more below).
by DPReview (Dec, 2002)
9.5 Out of 10

Camera Rocket Review Our evaluation of the Canon EOS 1Ds Mark III

Image Quality

RAW image quality independent of lens

EOS 1Ds Mark III
Nikon D3
DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range


How fast and easily does the camera nail focus

EOS 1Ds Mark III
Nikon D3
focus points


How much delay is there between you and your photo?

EOS 1Ds Mark III
Nikon D3
continuous shooting


What do the experts think?

EOS 1Ds Mark III
Nikon D3
Reviews from,, and


Camera Rocket Score

Image Quality, Focusing, Responsiveness and Reviews

EOS 1Ds Mark III
Nikon D3

Benchmarks Real world tests of the Canon EOS 1Ds Mark III

Low light image quality Highest ISO setting that still achieves great image quality

EOS 1Ds Mark III
1,663 ISO
Nikon D4
2,965 ISO
2,340 ISO

Resolution Results from photos of standard resolution charts

EOS 1Ds Mark III
2,100 LPH
2,800 LPH
2,800 LPH

Focus lag Delay between fully pressing shutter to image capture

EOS 1Ds Mark III
69 ms
290 ms

Shutter lag Delay to take a photo when prefocused

EOS 1Ds Mark III
45 ms

Startup delay Delay from power on to first photo

EOS 1Ds Mark III
500 ms
Nikon D3
300 ms
Nikon D4
300 ms

Continuous shooting Delay between fully pressing shutter to image capture

EOS 1Ds Mark III
5 fps
Nikon D4
11 fps

Photo Gallery Wallpaper quality closeups of the camera

Reviews Word on the street for the Canon EOS 1Ds Mark III

Colors are extremely accurate and, as mentioned above, the automatic white balance system does a great job of keeping color neutral across a wide range of lighting.

What People Are Saying Give it to me straight


What's amazing is that this leap in resolution and pixel count has been produced almost effortlessly*, Canon have simply delivered far more than we had expected by the end of 2002.
by DPReview (Dec, 2002)
The Mark III's JPEGs are pretty good but there's a noticeable increase in resolution when shooting raw.
by DPReview (Aug, 2008)
This is a worthwhile comparison as it will give us some impression of the improvement in resolution we can expect moving up from six to eleven megapixels.
by DPReview (Dec, 2002)


Note that unless you have live view exposure simulation turned off the screen will go very dark when the lens is closed down significantly using depth of field preview.
by DPReview (Aug, 2008)
It is most noticeable at wide angle and maximum aperture and will vary depending on the lens.
by DPReview (Dec, 2002)
From here the only way to get more resolution is to go medium format, which brings a whole new set of considerations (not the least the need to sell your house - or at least a kidney - to afford the body and lenses).
by DPReview (Aug, 2008)


Having 45 focusing points isn't just about being able to choose your focus area within the image it also means that focus tracking (AI Servo) can be much more effective (as the subject is more likely to be picked up by at least one AF point).
by DPReview (Dec, 2002)
They also moved the white balance shift to the menu only, so the Mark II's WB +/- button is replaced by the AF-On button, which triggers the autofocus and can come in handy if you don't like the standard half-press of the shutter button to activate focus.
by c|net (Oct, 2005)
In automatic AF point selection mode the camera will highlight (glowing red) the AF points which were used to measure AF distance (you can change the brightness using C.Fn III-13).
by DPReview (Aug, 2008)


You can make pleasing prints across the entire sensitivity range of this SLR, which is a liberating feeling when you're out shooting.
by c|net (Oct, 2005)
The EOS-1Ds covers almost every other type of photography, from landscape to portrait, photo journalism to weddings.
by DPReview (Dec, 2002)
The EOS-1Ds has fully integrated design with a manageable control structure which tends towards avoiding accidental settings changes (a must for professional photographers).
by DPReview (Dec, 2002)

Image quality

On top of all that image quality is simply superb, great resolution, low noise and the excellent color response that we've come to expect from Canon Digital SLR.
by DPReview (Dec, 2002)
Additionally Capture One DSLR comes with some very nice EOS-1Ds profiles which improve the appearance (tone / color balance) of converted images considerably compared to the output of Canon's File Viewer Utility.
by DPReview (Dec, 2002)
Another feature the 1Ds Mark III shares with its 1D cousin is the Picture Style menu in which you can quickly adjust sharpness, contrast, saturation, and color tone to change the overall look of the images you capture.
by c|net (Oct, 2005)

Specifications Full list of technical specs


Megapixels 21 MP
Resolution 5616 x 3744
Size Full frame
Area 36 x 24 mm
Crop factor 1.0x
Pixel size 41.1 microns
Light sensitivity 100 ISO to 1,600 ISO
Light sensitivity (Boost) 1,600 ISO to 3,200 ISO
  1. RAW
  2. JPEG
Self cleaning sensor Yes
Tested vertical resolution 2,100 LPH
Tested horizontal resolution 2,000 LPH

focus system

Type Contrast detection
Focus points 45
Cross type focus points 19


Min 30 s
Max 1/8000 s

form factor

Size 150 x 160 x 80 mm
Thickness 80 mm
Weight 1,385 g
Is weather sealed Yes


Includes a GPS No
Supports HDR No
Automatic panorama No
Create realistic 3D images No
Image stabilization None


Video None


Type LCD
Size 3"
Resolution 230 k dots
Has a touch screen No
Has a flip out screen No
Supports live view Yes


Viewfinder mirror Opaque
Viewfinder Viewfinder
Type Pentaprism
Coverage 100%
Magnification 0.76x
Viewfinder size 0.76x


Max continuous shooting 5 fps
Battery life 1,800 photos
Continuous shooting 5 fps @ 5616 x 3744, JPEG, 56 shots
Focus lag 69 ms
Shutter lag 45 ms
Startup delay 500 ms
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