Canon EOS 20Da vs Nikon D70s

This is a full comparison between the cameras Canon EOS 20Da and Nikon D70s. We compare them by looking at the categories you see below.


Canon EOS 20Da is manufacturered by Canon but Nikon D70s is from Nikon. Both Canon and Nikon are well known brands though.

These two camera models were both released 2005.

Camera Released
Canon EOS 20Da 2005
Nikon D70s 2005

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Canon EOS 20Da has a "APSC"-sensor while Nikon D70s has a "DX"-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 20Da 80 mm
Canon APS-C sensor
Crop factor/focal length multiplier by * 1.6
Nikon D70s 75 mm
Nikon DX sensor
Crop factor/focal length multiplier by * 1.5

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


Canon EOS 20Da has a 8,2 MP (Megapixels) resolution while Nikon D70s has 6 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels
Canon EOS 20Da 8,2 MP
8185344 pixels
3504 x 2336
Nikon D70s 6 MP
6016000 pixels
3008 x 2000

Canon EOS 20Da has a 36 % larger resolution than Nikon D70s. 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 20Da has a larger ISO-range than Nikon D70s. Canon EOS 20Da has an ISO range that stretches from 100 to 3200 while Nikon D70s has 200 to 1600.

Camera ISO Range
Canon EOS 20Da 100-3200
Nikon D70s 200-1600

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 Canon EOS 20Da
Lens compatibility chart for Nikon D70s

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definitely be of interest. Canon EOS 20Da can shoot up to 5 pictures per seconds and Nikon D70s can shoot up to 3 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS 20Da 5
Nikon D70s 3

Ability to record movies

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

Though, neither Canon EOS 20Da or Nikon D70s can shoot movies so if that is a functionality that you are really looking for you should look elsewhere.


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 20Da weighs 770 gr (equal to 1,7 lb) which is 13% heavier than Nikon D70s and its 679 gr (or 1,5 lb).

Camera Weight
Canon EOS 20Da 770 gr
1,7 lb
Nikon D70s 679 gr
1,5 lb