Camera Rocket Review Our evaluation of K-5 vs 1Ds Mark I

Image Quality

RAW image quality independent of lens

DxOMark Low light, DxOMark Color depth and DxOMark Dynamic range


How fast and easily does the camera nail focus

cross type focus points and focus points


How much delay is there between you and your photo?

continuous shooting


What do the experts think?

Reviews from,,, and 2 more

No winner declared

Too close to call

Benchmarks Real world tests of Pentax K-5 vs EOS 1Ds Mark I

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

Pentax K-5
1,162 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)

Pentax K-5
740 photos
EOS 1Ds Mark I
600 photos

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

Pentax K-5
23.7 bits
EOS 1Ds Mark I
23.3 bits

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

Pentax K-5
14.1 ev
EOS 1Ds Mark I
11.3 ev

Features Key features of the Pentax K-5  vs EOS 1Ds Mark I 

Megapixels Maximum resolution images are captured at

Pentax K-5
16.1 MP

Max ISO Maximum light sensitivity of the sensor

Pentax K-5
51,200 ISO
EOS 1Ds Mark I
1,250 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

Pentax K-5
23.0 microns
EOS 1Ds Mark I
77.5 microns

Reviews Word on the street

Pentax K-5  vs EOS 1Ds Mark I 

Despite its size and weight, the camera handles beautifully, with every control both easy and intuitive to operate.
EOS 1Ds Mark I

Specifications Full list of technical specs


Pentax K-5  vs
EOS 1Ds Mark I 
Megapixels 16.1 MP 11 MP
Resolution 4928 x 3264 4064 x 2704
Size APS-C Full frame
Area 23.6 x 15.7 mm 35.8 x 23.8 mm
Crop factor 1.5x 1.0x
Pixel size 23.0 microns 77.5 microns
Light sensitivity 100 ISO to 12,800 ISO 100 ISO to 1,250 ISO
Light sensitivity (Boost) 80 ISO to 51,200 ISO 50 ISO to 1,250 ISO
Self cleaning sensor Yes Yes

focus system

Type Phase detection Contrast detection
Focus points 11 45
Cross type focus points 9 0


Viewfinder mirror Opaque Opaque
Viewfinder Yes Yes
Type Pentaprism Pentaprism
Coverage 100% 100%
Magnification 0.92x 0.7x
Viewfinder size 0.6x 0.7x


Max continuous shooting 7 fps 3 fps
Battery life 740 600
Continuous shooting
3 fps @ 4064 x 2704, JPEG, 10 shots
7 fps, JPEG


Pentax K-5  vs
EOS 1Ds Mark I 
Video 1920 x 1080 @ 25 fps 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 Manual N/A
Autofocus type N/A N/A
Autofocus supports continuous N/A N/A


Size 3" 2"
Resolution 920 k dots 120 k dots
Has a touch screen No No
Has a flip out screen No No
Supports live view Yes No


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

form factor

Size 130.5 x 96.5 x 72.5 mm 156 x 157.6 x 79.9 mm
Thickness 72.5 mm 79.9 mm
Weight 740 g 1,600 g
Is weather sealed Yes No


Includes a GPS No No
Supports HDR Yes No
Automatic panorama No No
Create realistic 3D images No No
Image stabilization
Sensor shift
Pentax K-5
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Canon EOS 1Ds Mark I
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