Is Canon EOS R and Canon RF-S 18-45mm F4.5-6.3 IS STM compatible?

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

Buy	Canon EOS R Released: 2018 Type: Mirrorless Sensor: Full frame 30 Megapixels 6720 x 4480 pixels
Buy	Canon RF-S 18-45mm F4.5-6.3 IS STM Released: 2022 Standard Zoom Lens Suited for cameras with APS-C sensors Focal Length: 18-45 mm Aperture: f/4,5-6,3

Can you combine these two?

Last updated: November 2024

This is the short answer:

The camera and lens you have chosen might work but in a cropped mode since the lens is constructed for a smaller APS-C sensor.

Cropped Mode and Lower Resolution

This lens has focal length:
18-45 mm

You will experience:
29-72 mm

Using a lens constructed for a APS-C sensor can result in that the resolution becomes lower that the 30 MP that the Canon EOS R has.

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:
18-45 mm

Since Canon EOS R does not have a Full Frame sensor the experience focal length you will experience will be:
29-72 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 R
660 gram

Canon RF-S 18-45mm F4.5-6.3 IS STM
130 gram

Together they have a total weight of 790 gram (equal to 1.74 lb).

Compatibility Check ID: 1504

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