Canon EOS 1Ds Mark III vs Canon EOS 6D Mark II

This is a full comparison between the cameras Canon EOS 1Ds Mark III and Canon EOS 6D Mark II. We compare them by looking at the categories you see below.

Manufacturing

These cameras are both manufactured by Canon.

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

Both these cameras have the same sorts of sensor (called "FF") which means that if you compare these cameras side by side the lenses will also have the same experienced focal length. Since both cameras have a Full frame sensor there will be no crop factor.

** 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)

Resolution

Canon EOS 1Ds Mark III has a 21,1 MP (Megapixels) resolution while Canon EOS 6D Mark II has 26 MP. If we break down this in more detail this is the data behind the numbers:

Canon EOS 6D Mark II has a 23 % larger resolution than Canon EOS 1Ds 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 6D Mark II has a larger ISO-range than Canon EOS 1Ds Mark III. Canon EOS 6D Mark II has an ISO range that stretches from 100 to 40000 while Canon EOS 1Ds Mark III has 50 to 3200.

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 1Ds Mark III
Lens compatibility chart for Canon EOS 6D Mark II

Pictures per second

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

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 Canon EOS 6D Mark II. Sadly, the Canon EOS 1Ds 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 1Ds Mark III weighs 1385 gr (equal to 3,05 lb) which is 81% heavier than Canon EOS 6D Mark II and its 765 gr (or 1,69 lb).