Canon EOS 1D Mark III vs Nikon D300s

This is a full comparison between the cameras Canon EOS 1D Mark III and Nikon D300s. We compare them by looking at the categories you see below.

Manufacturing

Canon EOS 1D Mark III is manufacturered by Canon but Nikon D300s is from Nikon. Both Canon and Nikon are well known brands though.

Canon EOS 1D Mark III were released 2007 and Nikon D300s was released 2009. That is a 2 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Canon EOS 1D Mark III 2007
Nikon D300s 2009

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Canon EOS 1D Mark III has a "Canon APS-H"-sensor while Nikon D300s has a "Nikon DX"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

Camera Focal length, 50mm f/1.8 **
Canon EOS 1D Mark III 65 mm
Canon APS-H sensor
Crop factor/focal length multiplier by * 1.3
Nikon D300s 75 mm
Nikon DX sensor
Crop factor/focal length multiplier by * 1.5

** Experienced focal length when using a lens such as a common "50mm f/1.8"

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Canon)
Camera selection can affect the focal length (Nikon)

Resolution

Canon EOS 1D Mark III has a 10,1 MP (Megapixels) resolution while Nikon D300s has 12,3 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Canon EOS 1D Mark III 10,1 MP
10077696 pixels
3888 x 2592
Nikon D300s 12,3 MP
12212224 pixels
4288 x 2848

Nikon D300s has a 21 % larger resolution than Canon EOS 1D Mark III. This could give you more details in the picture but also a possibility to crop more in the pictures, afterward while editing the pictures, if needed that is.

ISO range

Canon EOS 1D Mark III has a larger ISO-range than Nikon D300s. Canon EOS 1D Mark III has an ISO range that stretches from 50 to 6400 while Nikon D300s has 200 to 6400.

Camera ISO Range
Canon EOS 1D Mark III 50-6400
Nikon D300s 200-6400

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that support autofocus, do not have an autofocus motor of their own but this won't cause any problems with these two cameras.

Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Canon EOS 1D Mark III
Lens compatibility chart for Nikon D300s

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS 1D Mark III can shoot up to 10 pictures per seconds and Nikon D300s can shoot up to 7 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS 1D Mark III 10
Nikon D300s 7

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

It is only one of these two cameras that support recording movies and movie clips and that is Nikon D300s. Sadly, the Canon EOS 1D Mark III does not support this.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, or carried around, for several hours at a time.

Canon EOS 1D Mark III weighs 1155 gr (equal to 2.55 lb) which is 23% heavier than Nikon D300s and its 938 gr (or 2.07 lb).

Camera Weight
Canon EOS 1D Mark III 1155 gr
2.55 lb
Nikon D300s 938 gr
2.07 lb

Canon EOS 1D Mark III vs Nikon D300s Specs

Below you will find the complete and detailed technical specs for both Canon EOS 1D Mark III and Nikon D300s, next to each other. Each category of data is a link to an article covering the subject, giving you a deeper understanding so you can better understand the strengths and weaknesses of the two camera models.

Product
Canon EOS 1D Mark III
Nikon D300s
Name Canon EOS 1D Mark III Nikon D300s
Manufacturer Canon Nikon
Release Date and Price
Canon EOS 1D Mark III
Nikon D300s
Release Year 2007 2009
Release Date 2007-02-22 2009-07-30
MSRP 3999 USD 1799 USD
Buy it today
Camera Type
Canon EOS 1D Mark III
Nikon D300s
Camera Type DSLR DSLR
Sensor
Canon EOS 1D Mark III
Nikon D300s
Sensor Size APS-H (approx 27.9 x 18.6 mm) APS-C (approx 23.7 x 15.5 mm)
Also known as "DX"
Sensor Type CMOS CMOS
Resolution 3888 x 2592 pixels 4288 x 2848 pixels
Megapixels 10,1 MP 12,3 MP
Image Processor DUAL DIGIC 3 EXPEED
Image
Canon EOS 1D Mark III
Nikon D300s
ISO Range 50 - 6400 200 - 6400
White Balance Presets 8 12
Custom White Balance Yes Yes
Image Stabilization No No
Image Stabilization CIPA Rating 0 stops 0 stops
Uncompressed format RAW RAW + TIFF
Optics & Focus
Canon EOS 1D Mark III
Nikon D300s
Autofocus Motor Yes Yes
Autofocus Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Contract Detect (sensor)
Phase Detect
Multi Area
Selective Single Point
Single
Continuous
Face Detection
LiveView
Focus Points 19 51
Lens Mount Canon EF

See Compatible Lenses
Nikon F

See Compatible Lenses
Focal Length Multiplier APS-H Sensor
1.3x multiplier
Example:
24 mm becomes 31 mm
50 mm becomes 65 mm
100 mm becomes 130 mm
200 mm becomes 260 mm
DX / APS-C (1.5x)
1.5x multiplier
Example:
24 mm becomes 36 mm
50 mm becomes 75 mm
100 mm becomes 150 mm
200 mm becomes 300 mm
Screen & Viewfinder
Canon EOS 1D Mark III
Nikon D300s
Articulated LCD Fixed Fixed
Screen size 3” 3”
Screen dots 230000 920000
Touch screen No No
Screen type N/A Super Density TFT color LCD with wide-viewing angle
Live view Yes Yes
Viewfinder Type Optical (pentaprism) Optical (pentaprism)
Viewfinder Coverage 100% 100%
Viewfinder Magnification 0.76× (0.58× 35mm equiv.) 0.94× (0.63× 35mm equiv.)
Viewfinder Resolution N/A N/A
Photography features
Canon EOS 1D Mark III
Nikon D300s
Frames per second 10 fps 7 fps
Minimum Shutter Speed 30 seconds 30 seconds
Maximum Shutter Speed 1/8000 seconds 1/8000 seconds
Built-in Flash No Yes
Built-in Flash Range N/A 12 meters
External Flash Yes Yes
Self-Timer Yes Yes
Time-lapse Yes Yes
Metering modes Multi
Center Weighted
Spot
Partial
Multi
Center Weighted
Spot
Exposure Compensation +/- 3 (at 1/3 EV, 1/2 EV steps) +/- 5 (at 1/3 EV, 1/2 EV steps)
Videography features
Canon EOS 1D Mark III
Nikon D300s
Video recording No Yes
Video format N/A Motion JPEG
Video resolution N/A 1280 x 720
Built-in Microphone No Yes
Built-in Speakers No No
Storage
Canon EOS 1D Mark III
Nikon D300s
Memory Card Compact Flash
SD/SDHC
Compact Flash
Connectivity
Canon EOS 1D Mark III
Nikon D300s
HDMI Output No Yes
Microphone Port No No
Headphone Port No No
Wireless Yes
Optional with WFT-E2 II
Yes
Eye-Fi Connected
Remote Control Yes (N3 connector) Yes (Optional, wired or wireless)
GPS No Yes
Optional with GP-1
Body & Dimensions
Canon EOS 1D Mark III
Nikon D300s
Enviromentally sealed Yes Yes
Battery Battery Pack Battery Pack
Battery Details Battery Pack LP-E4
Lithium-Ion EN-EL3e rechargeable battery & charger
Battery Life (CIPA) 2200 shots 950 shots
Width 156 mm 147 mm
Height 157 mm 114 mm
Depth 80 mm 74 mm
Weight 1155 gram 938 gram