Nikon D100 vs Canon EOS 1D Mark III

This is a full comparison between the cameras Nikon D100 and Canon EOS 1D Mark III. We compare them by looking at the categories you see below.

Manufacturing

Nikon D100 is manufacturered by Nikon but Canon EOS 1D Mark III is from Canon. Both Nikon and Canon are well known brands though.

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Nikon D100 has a "Nikon DX"-sensor while Canon EOS 1D Mark III has a "Canon APS-H"-sensor, and their difference in sensors will also affect the crop factor and experience focal length. See the table below.

** 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 (Nikon)
Camera selection can affect the focal length (Canon)

Resolution

Nikon D100 has a 6 MP (Megapixels) resolution while Canon EOS 1D Mark III has 10,1 MP. If we break down this in more detail this is the data behind the numbers:

Canon EOS 1D Mark III has a 68 % larger resolution than Nikon D100. 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 D100. Canon EOS 1D Mark III has an ISO range that stretches from 50 to 6400 while Nikon D100 has 200 to 1600.

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 Nikon D100
Lens compatibility chart for Canon EOS 1D Mark III

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D100 can shoot up to 3 pictures per seconds and Canon EOS 1D Mark III can shoot up to 10 pictures per seconds.

Ability to record movies

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

Though, neither Nikon D100 or Canon EOS 1D Mark III can shoot movies so if that is a functionality that you are really looking for you should look elsewhere.

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 48% heavier than Nikon D100 and its 780 gr (or 1.72 lb).

Nikon D100 vs Canon EOS 1D Mark III Specs

Below you will find the complete and detailed technical specs for both Nikon D100 and Canon EOS 1D Mark III, 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	Nikon D100	Canon EOS 1D Mark III
Name	Nikon D100	Canon EOS 1D Mark III
Manufacturer	Nikon	Canon
Release Date and Price	Nikon D100	Canon EOS 1D Mark III
Release Year	2002	2007
Release Date	2002-02-21	2007-02-22
MSRP	1999 USD	3999 USD
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Camera Type	Nikon D100	Canon EOS 1D Mark III
Camera Type	DSLR	DSLR
Sensor	Nikon D100	Canon EOS 1D Mark III
Sensor Size	APS-C (approx 23.7 x 15.5 mm) Also known as "DX"	APS-H (approx 27.9 x 18.6 mm)
Sensor Type	CCD	CMOS
Resolution	3008 x 2000 pixels	3888 x 2592 pixels
Megapixels	6 MP	10,1 MP
Image Processor	EXPEED	DUAL DIGIC 3
Image	Nikon D100	Canon EOS 1D Mark III
ISO Range	200 - 1600	50 - 6400
White Balance Presets	6	8
Custom White Balance	Yes	Yes
Image Stabilization	No	No
Image Stabilization CIPA Rating	0 stops	0 stops
Uncompressed format	RAW	RAW
Optics & Focus	Nikon D100	Canon EOS 1D Mark III
Autofocus Motor	Yes	Yes
Autofocus	Contract Detect (sensor) Phase Detect Multi Area Selective Single Point Single Continuous	Phase Detect Multi Area Selective Single Point Single Continuous
Focus Points	5	19
Lens Mount	Nikon F See Compatible Lenses	Canon EF See Compatible Lenses
Focal Length Multiplier	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	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
Screen & Viewfinder	Nikon D100	Canon EOS 1D Mark III
Articulated LCD	Fixed	Fixed
Screen size	1,8”	3”
Screen dots	118000	230000
Touch screen	No	No
Screen type	N/A	N/A
Live view	No	Yes
Viewfinder Type	Optical (pentaprism)	Optical (pentaprism)
Viewfinder Coverage	95%	100%
Viewfinder Magnification	0.8× (0.53× 35mm equiv.)	0.76× (0.58× 35mm equiv.)
Viewfinder Resolution	N/A	N/A
Photography features	Nikon D100	Canon EOS 1D Mark III
Frames per second	3 fps	10 fps
Minimum Shutter Speed	30 seconds	30 seconds
Maximum Shutter Speed	1/4000 seconds	1/8000 seconds
Built-in Flash	Yes	No
Built-in Flash Range	11 meters	N/A
External Flash	Yes	Yes
Self-Timer	Yes	Yes
Time-lapse	No	Yes
Metering modes	Multi Center Weighted Spot	Multi Center Weighted Spot Partial
Exposure Compensation	+/- 5 (at 1/3 EV, 1/2 EV steps)	+/- 3 (at 1/3 EV, 1/2 EV steps)
Videography features	Nikon D100	Canon EOS 1D Mark III
Video recording	No	No
Video format	N/A	N/A
Video resolution	N/A	N/A
Built-in Microphone	No	No
Built-in Speakers	No	No
Storage	Nikon D100	Canon EOS 1D Mark III
Memory Card	Compact Flash	Compact Flash SD/SDHC
Connectivity	Nikon D100	Canon EOS 1D Mark III
HDMI Output	Yes	No
Microphone Port	No	No
Headphone Port	No	No
Wireless	No	Yes Optional with WFT-E2 II
Remote Control	Yes (Via Optional vertical grip or software)	Yes (N3 connector)
GPS	No	No
Body & Dimensions	Nikon D100	Canon EOS 1D Mark III
Enviromentally sealed	No	Yes
Battery	Battery Pack	Battery Pack
Battery Details	Nikon EN-EL3 lithium-ion battery	Battery Pack LP-E4
Battery Life (CIPA)	N/A	2200 shots
Width	144 mm	156 mm
Height	116 mm	157 mm
Depth	81 mm	80 mm
Weight	780 gram	1155 gram