Is Canon EOS 20D and Sigma 120-400mm F4.5-5.6 DG APO HSM OS compatible?

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

Buy	Canon EOS 20D Released: 2004 Type: Digital SLR Sensor: APS-C (1.6x) 8,2 Megapixels 3504 x 2336 pixels
Buy	Sigma 120-400mm F4.5-5.6 DG APO HSM OS Released: 2008 Telephoto Zoom Lens Focal Length: 120-400 mm Aperture: f/4,5-5,6

Can you combine these two?

Last updated: November 2024

This is the short answer:

The camera and lens you have chosen can be used together.

Versitale lens

Sigma 120-400mm F4.5-5.6 DG APO HSM OS is constructed to work with all sorts of camera sensors including the one of Canon EOS 20D.

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.

This lens has focal length:
120-400 mm

Since Canon EOS 20D does not have a Full Frame sensor the experience focal length you will experience will be:
192-640 mm

Read more about Crop factor

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
770 gram

Sigma 120-400mm F4.5-5.6 DG APO HSM OS
1750 gram

Together they have a total weight of 2520 gram (equal to 5.56 lb).

Please note that Sigma 120-400mm F4.5-5.6 DG APO HSM OS has a tripod mount which is great.

Read more about Tripod mount

Compatibility Check ID: 1300

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