Is Canon EOS 20D Astrophotography and Sigma 150-500mm f/5-6,3 DG APO HSM OS compatible?

Below you will find your chosen camera and lens. Click on the product name for more information.

Canon EOS 20D Astrophotography

Canon EOS 20D Astrophotography
Released: 2005
Type: Digital SLR
Sensor: APS-C (1.6x)
8,2 Megapixels
3504 x 2336 pixels

Sigma 150-500mm f/5-6,3 DG APO HSM OS

Sigma 150-500mm f/5-6,3 DG APO HSM OS
Released: 2008
Telephoto Lens (zoom)
Focal Length: 150-500 mm
Aperture: f/5-6,3

Can you combine these two?

Last updated: September 2023

This is the short answer:

The camera and lens you have chosen can be used together. Here is a longer answer:

Lens is available with Canon mount

This lens is manufactured by Sigma but is available with a Canon mount.
This lens is also available for Nikon cameras, so before you buy the lens - make sure you get the right version.

Versitale lens

Sigma 150-500mm f/5-6,3 DG APO HSM OS is constructed to work with all sorts of camera sensors including the one of Canon EOS 20D Astrophotography.

Focal Length

The Canon camera has a sensor of type APS-C, a smaller version compared to a Full frame sensor, which means that your experienced Focal length will be multiplied by 1.6x.

Actual Focal Length for this lens:
150-500 mm

Experienced Focal Length with this camera:
240-800 mm

Read more about Crop factor on Canon cameras

Total weight

When you are looking at a combination of a camera and a lens you must always consider the total weight. Each product weighs in at:

Canon EOS 20D Astrophotography
770 gram

Sigma 150-500mm f/5-6,3 DG APO HSM OS
1910 gram

Together they have a total weight of 2680 gram (equal to 5,91 lb).

Please note that Sigma 150-500mm f/5-6,3 DG APO HSM OS has a tripod mount which is great.

Read more about Tripod mount