Camera Rocket Review Our evaluation of E-M1 vs 1Ds Mark II

Image Quality

RAW image quality independent of lens

DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range

Focusing

How fast and easily does the camera nail focus

focus points

Responsiveness

How much delay is there between you and your photo?

continuous shooting

Reviews

What do the experts think?

Reviews from 43rumors.com, 1001noisycameras.com, mirrorlessrumors.com and dpreview.com

No winner declared

Too close to call

Benchmarks Real world tests of OM-D E-M1 vs EOS 1Ds Mark II

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

OM-D E-M1
757 ISO
EOS 1Ds Mark II
1,480 ISO

Continuous shooting Delay between fully pressing shutter to image capture

OM-D E-M1
10 fps

Battery life How many photos per battery charge (CIPA)

OM-D E-M1
350 photos
EOS 1Ds Mark II
1,200 photos

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

OM-D E-M1
23.0 bits
EOS 1Ds Mark II
23.3 bits

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

OM-D E-M1
12.7 ev
EOS 1Ds Mark II
11.3 ev

Features Key features of the OM-D E-M1  vs EOS 1Ds Mark II 

Megapixels Maximum resolution images are captured at

OM-D E-M1
15.9 MP
EOS 1Ds Mark II
16.6 MP

Max ISO Maximum light sensitivity of the sensor

OM-D E-M1
25,600 ISO
EOS 1Ds Mark II
3,200 ISO

Focus points How many different points the camera can focus on

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

OM-D E-M1
14.1 microns
EOS 1Ds Mark II
52.0 microns

Specifications Full list of technical specs

sensor

OM-D E-M1  vs
EOS 1Ds Mark II 
Type CMOS CMOS
Megapixels 15.9 MP 16.6 MP
Resolution 4608 x 3456 4992 x 3328
Size Four Thirds Full frame
Area 17.3 x 13 mm 36 x 24 mm
Crop factor 2.1x 1.0x
Pixel size 14.1 microns 52.0 microns
Light sensitivity 200 ISO to 25,600 ISO 100 ISO to 1,600 ISO
Light sensitivity (Boost) 200 ISO to 25,600 ISO 50 ISO to 3,200 ISO
Codecs
RAW
JPEG

focus system

Type Hybrid detection Contrast detection
Focus points 81 45
Supports continuous Yes Yes

viewfinder

Viewfinder mirror None Opaque
Viewfinder Yes Yes
Type Electronic Pentaprism
Coverage 100% 100%
Magnification 1.48x 0.7x
Viewfinder size 0.71x 0.7x

performance

Max continuous shooting 10 fps 4 fps
Battery life 350 1,200
Continuous shooting
10 fps
4 fps

video

OM-D E-M1  vs
EOS 1Ds Mark II 
Video 1920 x 1080 @ 30 fps (16 Mbps) None
Shoots video in 24p No N/A
Shoots high speed video No N/A
External mic jack 3.5mm N/A
Autofocus while shooting video Contrast detection N/A
Autofocus type Contrast detection N/A
Autofocus supports continuous Yes N/A

display

Type LCD LCD
Size 3" 2"
Resolution 1,400 k dots 230 k dots
Has a touch screen Yes No
Has a flip out screen Yes No
Supports live view Yes No

shutter

Min 60 s 30 s
Max 1/8000 s 1/8000 s

form factor

Size 130.4 x 93.5 x 63.3 mm 156 x 158 x 80 mm
Thickness 63.3 mm 80 mm
Weight 497 g 1,500 g
Is weather sealed Yes Yes

features

Includes a GPS No No
Supports HDR Yes No
Automatic panorama Yes No
Create realistic 3D images No No
Image stabilization
Sensor shift
Olympus OM-D E-M1
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Canon EOS 1Ds Mark II
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