Is Canon EOS R and Sigma EX 24-60mm f/2,8 DG 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	Sigma EX 24-60mm f/2,8 DG Released: 2004 Normal Lens (zoom) Focal Length: 24-60 mm Aperture: f/2,8

Can you combine these two?

This is the short answer:

No! This combination is not compatible

The camera and lens you have chosen cannot be combined. Here is a longer answer:

Not a lens for the Canon EOS R-system

This Canon EOR R camera and this Sigma lens is not compatible. For this camera, you can only use lenses that are constructed to work with the Canon EOS R-system. If you are using the Canon Lens Mount Adapter EF-EOS R you can also use other and older Canon EF, EF-S, MP-E and TS-E lenses.