Canon EOS 1D Mark IIn vs Canon EOS 40D

This is a full comparison between the cameras Canon EOS 1D Mark IIn and Canon EOS 40D. We compare them by looking at the categories you see below.

Canon EOS 1D Mark IIn
Canon EOS 40D

Manufacturing

These cameras are both manufacturered by Canon.

Canon EOS 1D Mark IIn were released 2005 and Canon EOS 40D was released 2007. That is a 2 years difference. In tech, this period of time can be of interest since technology is always improving etc.

Camera Manufacturer Released
Canon EOS 1D Mark IIn Canon 2005
Canon EOS 40D Canon 2007

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Canon EOS 1D Mark IIn has a "APSH"-sensor while Canon EOS 40D has a "APSC"-sensor, and their difference in sensors will also effect the crop factor and experience focal length. See the table below.

Camera Experienced focal length when using a lens with 50mm focal length (ex a common "50mm f/1.8")
Canon EOS 1D Mark IIn 65 mm (a Canon APS-H sensor have a crop factor / focal length multiplier by * 1.3)
Canon EOS 40D 80 mm (a Canon APS-C sensor have a crop factor / focal length multiplier by * 1.6)

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

Resolution

Canon EOS 1D Mark IIn has a 8,2 MP (Megapixels) resolution while Canon EOS 40D has 10,1 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels Pixel (total) Pixels (width) Pixels (height)
Canon EOS 1D Mark IIn 8,2 MP 8185344 3504 2336
Canon EOS 40D 10,1 MP 10077696 3888 2592

Canon EOS 40D has a 23 % larger resolution than Canon EOS 1D Mark IIn. This could give you more details in the picture but also a possibility to crop more in the pictures, afterwards while editing the pictures, if needed that is.

ISO range

Canon EOS 1D Mark IIn has a larger ISO-range than Canon EOS 40D. Canon EOS 1D Mark IIn has an ISO range that stretches from 50 to 3200 while Canon EOS 40D has 100 to 3200.

Camera ISO Range
Canon EOS 1D Mark IIn 50-3200
Canon EOS 40D 100-3200

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that supports autofocus, does not have a autofocus motor of their own but this wont cause any problems with these two cameras.

Lens compatibility chart for Canon EOS 1D Mark IIn
Lens compatibility chart for Canon EOS 40D

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definately be of interest. Canon EOS 1D Mark IIn can shoot up to 8,5 pictures per seconds and Canon EOS 40D can shoot up to 6,5 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS 1D Mark IIn 8,5
Canon EOS 40D 6,5

Ability to record movies

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

Though, neither Canon EOS 1D Mark IIn or Canon EOS 40D 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, carried around, for several hours at the time.

Canon EOS 1D Mark IIn weighs 1565 gr (equal to 3,45 lb) which is 90% heavier than Canon EOS 40D and its 822 gr (or 1,81 lb).

Camera Weight (in gram) Weight (in pounds)
Canon EOS 1D Mark IIn 1565 gr 3,45 lb
Canon EOS 40D 822 gr 1,81 lb