Is Canon EOS 40D and Sigma EX 20-40mm F2.8 DG compatible?

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

Canon EOS 40D

Canon EOS 40D
Released: 2007
Type: Digital SLR
Sensor: APS-C (1.6x)
10,1 Megapixels
3888 x 2592 pixels

Sigma EX 20-40mm F2.8 DG

Sigma EX 20-40mm F2.8 DG
Released: 2001
Standard Zoom Lens
Focal Length: 20-40 mm
Aperture: f/2,8

Can you combine these two?

Last updated: February 2024

This is the short answer:

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

Versitale lens

Sigma EX 20-40mm F2.8 DG is constructed to work with all sorts of camera sensors including the one of Canon EOS 40D.

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:
20-40 mm

Since Canon EOS 40D does not have a Full Frame sensor the experience focal length you will experience will be:
32-64 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 40D
822 gram

Sigma EX 20-40mm F2.8 DG
595 gram

Together they have a total weight of 1417 gram (equal to 3.12 lb).

Compatibility Check ID: 1300