Benchmarks Real world tests of Nikon D2Xs vs EOS 1Ds Mark I

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

Nikon D2Xs
489 ISO
EOS 1Ds Mark I
1,480 ISO

Continuous shooting Delay between fully pressing shutter to image capture

Battery life How many photos per battery charge (CIPA)

Nikon D2Xs
1,150 photos
EOS 1Ds Mark I
600 photos

Color depth The number of variations of color the camera can capture

Nikon D2Xs
22.2 bits
EOS 1Ds Mark I
23.3 bits

Dynamic range Maximum range a camera can capture in one image from light to dark

Nikon D2Xs
10.9 ev
EOS 1Ds Mark I
11.3 ev

Features Key features of the Nikon D2Xs  vs EOS 1Ds Mark I 

Megapixels Maximum resolution images are captured at

Nikon D2Xs
12.2 MP

Max ISO Maximum light sensitivity of the sensor

Nikon D2Xs
3,200 ISO
EOS 1Ds Mark I
1,250 ISO

Screen size Larger screens make it easier to preview and review photos

Viewfinder size Large viewfinders are brighter and more comfortable to use

Pixel size How much area of the sensor is dedicated to each pixel

Nikon D2Xs
30.5 microns
EOS 1Ds Mark I
77.5 microns

Specifications Full list of technical specs


Nikon D2Xs  vs
EOS 1Ds Mark I 
Megapixels 12.2 MP 11 MP
Resolution 4288 x 2848 4064 x 2704
Size APS-C Full frame
Area 23.7 x 15.7 mm 35.8 x 23.8 mm
Crop factor 1.5x 1.0x
Pixel size 30.5 microns 77.5 microns
Light sensitivity 100 ISO to 800 ISO 100 ISO to 1,250 ISO
Light sensitivity (Boost) 800 ISO to 3,200 ISO 50 ISO to 1,250 ISO

focus system

Type Contrast detection Contrast detection


Viewfinder mirror Opaque Opaque
Viewfinder Yes Yes
Type Pentaprism Pentaprism
Coverage 100% 100%
Magnification 0.86x 0.7x
Viewfinder size 0.57x 0.7x

form factor

Size 158 x 150 x 86 mm 156 x 157.6 x 79.9 mm
Thickness 86 mm 79.9 mm
Weight 1,200 g 1,600 g
Is weather sealed Yes No


Nikon D2Xs  vs
EOS 1Ds Mark I 
Video None None
Shoots video in 24p N/A N/A
Shoots high speed video N/A N/A
External mic jack N/A N/A
Autofocus while shooting video N/A N/A
Autofocus type N/A N/A
Autofocus supports continuous N/A N/A


Size 2.5" 2"
Resolution 235 k dots 120 k dots
Has a touch screen No No
Has a flip out screen No No
Supports live view No No


Min 30 s 30 s
Max 1/8000 s 1/8000 s


Max continuous shooting 5 fps 3 fps
Battery life 1,150 600
Continuous shooting
3 fps @ 4064 x 2704, JPEG, 10 shots
5 fps, JPEG


Includes a GPS No No
Supports HDR No No
Automatic panorama No No
Create realistic 3D images No No
Image stabilization
Nikon D2Xs
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Canon EOS 1Ds Mark I
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