Nikon D70 vs Canon EOS 20D Astrophotography

This is a full comparison between the cameras Nikon D70 and Canon EOS 20D Astrophotography. We compare them by looking at the categories you see below.

Nikon D70
Canon EOS 20D Astrophotography

Manufacturing

Nikon D70 is manufacturered by Nikon but Canon EOS 20D Astrophotography is from Canon. Both Nikon and Canon are well known brands though.

Nikon D70 were released 2004 and Canon EOS 20D Astrophotography was released 2005. That is a 1 years difference. In tech, this period of time can be of interest since technology is always improving etc.

Camera Manufacturer Released
Nikon D70 Nikon 2004
Canon EOS 20D Astrophotography Canon 2005

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Nikon D70 has a "DX"-sensor while Canon EOS 20D Astrophotography 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")
Nikon D70 75 mm (a Nikon DX sensor have a crop factor / focal length multiplier by * 1.5)
Canon EOS 20D Astrophotography 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 (Nikon)
Camera selection can affect the focal length (Canon)

Resolution

Nikon D70 has a 6 MP (Megapixels) resolution while Canon EOS 20D Astrophotography has 8,2 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels Pixel (total) Pixels (width) Pixels (height)
Nikon D70 6 MP 6016000 3008 2000
Canon EOS 20D Astrophotography 8,2 MP 8185344 3504 2336

Canon EOS 20D Astrophotography has a 36 % larger resolution than Nikon D70. 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 20D Astrophotography has a larger ISO-range than Nikon D70. Canon EOS 20D Astrophotography has an ISO range that stretches from 100 to 3200 while Nikon D70 has 200 to 1600.

Camera ISO Range
Nikon D70 200-1600
Canon EOS 20D Astrophotography 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.

Here is a complete overview of which lenses that work with each camera:
Lens compatibility chart for Nikon D70
Lens compatibility chart for Canon EOS 20D Astrophotography

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definately be of interest. Nikon D70 can shoot up to 3 pictures per seconds and Canon EOS 20D Astrophotography can shoot up to 5 pictures per seconds.

Camera FPS (Frames per second)
Nikon D70 3
Canon EOS 20D Astrophotography 5

Ability to record movies

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

Though, neither Nikon D70 or Canon EOS 20D Astrophotography 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 20D Astrophotography weighs 770 gr (equal to 1,7 lb) which is 13% heavier than Nikon D70 and its 679 gr (or 1,5 lb).

Camera Weight (in gram) Weight (in pounds)
Nikon D70 679 gr 1,5 lb
Canon EOS 20D Astrophotography 770 gr 1,7 lb