Nikon D6 vs Canon EOS Rebel SL3

This is a full comparison between the cameras Nikon D6 and Canon EOS Rebel SL3. We compare them by looking at the categories you see below.


Nikon D6 is manufacturered by Nikon but Canon EOS Rebel SL3 is from Canon. Both Nikon and Canon are well known brands though.

Nikon D6 were released 2020 and Canon EOS Rebel SL3 was released 2019. That is a 1 years difference. In tech, this period can be of interest since technology is always improving, etc.

Camera Released
Nikon D6 2020
Canon EOS Rebel SL3 2019

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Nikon D6 has a "FX"-sensor while Canon EOS Rebel SL3 has a "APSC"-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 **
Nikon D6 50 mm
Full-frame sensor
No crop factor/focal length multiplier
Canon EOS Rebel SL3 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6

** 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)


Nikon D6 has a 21 MP (Megapixels) resolution while Canon EOS Rebel SL3 has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Nikon D6 21 MP
20668416 pixels
5568 x 3712
Canon EOS Rebel SL3 24 MP
24000000 pixels
6000 x 4000

Canon EOS Rebel SL3 has a 16 % larger resolution than Nikon D6. 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

Nikon D6 has a larger ISO-range than Canon EOS Rebel SL3. Nikon D6 has an ISO range that stretches from 100 to 102400 while Canon EOS Rebel SL3 has 100 to 25600.

Camera ISO Range
Nikon D6 100-102400
Canon EOS Rebel SL3 100-25600

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 D6
Lens compatibility chart for Canon EOS Rebel SL3

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Nikon D6 can shoot up to 14 pictures per seconds and Canon EOS Rebel SL3 can shoot up to 5 pictures per seconds.

Camera FPS (Frames per second)
Nikon D6 14
Canon EOS Rebel SL3 5

Ability to record movies

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

In this case, both Nikon D6 and Canon EOS Rebel SL3 can shoot movies.


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.

Nikon D6 weighs 1270 gr (equal to 2,8 lb) which is 183% heavier than Canon EOS Rebel SL3 and its 449 gr (or 0,99 lb).

Camera Weight
Nikon D6 1270 gr
2,8 lb
Canon EOS Rebel SL3 449 gr
0,99 lb