Is Canon EOS R3 and Canon EF-S 18-135mm F3.5-5.6 IS STM compatible?

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

Canon EOS R3

Canon EOS R3
Released: 2021
Type: Mirrorless
Sensor: Full frame
24 Megapixels
6000 x 4000 pixels

Canon EF-S 18-135mm F3.5-5.6 IS STM

Canon EF-S 18-135mm F3.5-5.6 IS STM
Released: 2012
Standard Zoom Lens
Suited for cameras with APS-C sensors
Focal Length: 18-135 mm
Aperture: f/3,5-5,6

Can you combine these two?

Last updated: March 2024

This is the short answer:

The camera and lens you have chosen can be used together if you use the desired adapter.

You must use an EOS R adapter

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

Canon Lens Mount Adapter EF-EOS R

Focal Length

The Canon camera has a sensor of type Full frame which means that your experienced Focal length will be same as the lens specification tells us.

This lens has focal length:
18-135 mm

Since Canon EOS R3 does not have a Full Frame sensor the experience focal length you will experience will be:
29-216 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 R3
1015 gram

Canon EF-S 18-135mm F3.5-5.6 IS STM
480 gram

Together they have a total weight of 1495 gram (equal to 3.3 lb).

Compatibility Check ID: 1501