Is Canon EOS M and Canon EF 800mm f/5,6 L IS USM compatible?

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

Canon EOS M

Canon EOS M
Released: 2012
Type: Mirrorless
Sensor: APS-C (1.6x)
18 Megapixels
5184 x 3456 pixels

Canon EF 800mm f/5,6 L IS USM

Canon EF 800mm f/5,6 L IS USM
Released: 2008
Telephoto Lens (prime)
Focal Length: 800 mm
Aperture: f/5,6

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:

You must use an EOS M adapter

This Canon lens is not part of the Canon EOS M-system but it can still be used with Canon EOS M cameras. To use this lens on this camera you need an adapter.

Canon Lens Mount Adapter EF-EOS M

Canon all the way

The possibility to combine these two products is great since both Canon EOS M and Canon EF 800mm f/5,6 L IS USM are manufactured by Canon.

Versitale lens

Canon EF 800mm f/5,6 L IS USM is constructed to work with all sorts of camera sensors including the one of Canon EOS M.

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:
800 mm

Experienced Focal Length with this camera:
1280 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 M
298 gram

Canon EF 800mm f/5,6 L IS USM
4500 gram

Together they have a total weight of 4798 gram (equal to 10,58 lb).

Please note that Canon EF 800mm f/5,6 L IS USM has a tripod mount which is great.

Read more about Tripod mount