Canon EOS R6 vs Canon EOS 1D Mark III
This is a full comparison between the cameras Canon EOS R6 and Canon EOS 1D Mark III. We compare them by looking at the categories you see below.
These cameras are both manufactured by Canon.Canon EOS R6 were released 2020 and Canon EOS 1D Mark III was released 2007. That is a 13 years difference. In tech, this period can be of interest since technology is always improving, etc.
|Canon EOS R6||2020|
|Canon EOS 1D Mark III||2007|
Type of camera
Canon EOS R6 is a Mirrorless camera while Canon EOS 1D Mark III is a DSLR camera. More information about their differences will come soon.
Sensors / crop factor
These cameras have different sensors. Canon EOS R6 has a "FF"-sensor while Canon EOS 1D Mark III has a "APSH"-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 R6||50 mm
No crop factor/focal length multiplier
|Canon EOS 1D Mark III||65 mm
Canon APS-H sensor
Crop factor/focal length multiplier by * 1.3
** 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)
Canon EOS R6 has a 20 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 R6||
5472 x 3648
|Canon EOS 1D Mark III||
3888 x 2592
Canon EOS R6 has a 98 % 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.
Canon EOS R6 has a larger ISO-range than Canon EOS 1D Mark III. Canon EOS R6 has an ISO range that stretches from 100 to 102400 while Canon EOS 1D Mark III has 50 to 6400.
|Canon EOS R6||100-102400|
|Canon EOS 1D Mark III||50-6400|
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.
Worth mentioning is that Canon EOS R6 belongs to the Canon EOS R-system and needs an adapter to work with Canons EF, EF-S, MP-E, and TS-E lenses. You can read more about this adapter here:
Canon Lens Mount Adapter EF-EOS R
Here is a complete overview of which lenses work with each camera:
Lens compatibility chart for Canon EOS R6
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. Canon EOS R6 can shoot up to 20 pictures per seconds and Canon EOS 1D Mark III can shoot up to 10 pictures per seconds.
|Camera||FPS (Frames per second)|
|Canon EOS R6||20|
|Canon EOS 1D Mark III||10|
Ability to record movies
It is becoming more and more popular to record movies with digital cameras.
When comparing these two cameras there is only one of them that can shoot movies and that is Canon EOS R6. Unfortunately Canon EOS 1D Mark III does not support recording movies and movie clips.
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 70% heavier than Canon EOS R6 and its 680 gr (or 1,5 lb).
|Canon EOS R6||680 gr
|Canon EOS 1D Mark III||1155 gr