What is the difference between the RF and EF mount systems? Is it really worth buying an RF lens? Read on to find out.
Canon reiterates RF-mount is open to third parties, but don't get your hopes up just yet: Digital Photography Review
EF100mm vs. RF100mm f/2.8L Macro IS USM: Which to Choose?
Canon's RF vs. EF Lenses: The Ultimate Guide to Choosing the Right Lens for Portrait Photography — Jessica Whitaker
How to Pick the Right Canon Lens for Your Camera
35mm, 50mm, 85mm Comparison Lens Review
Canon plans to release 32 RF-mount lenses over the next four years: Digital Photography Review
Switching to RF lenses - Canon Europe
RF Lens Benefits And Why You Should Make The Switch
Beginner's guide to lenses - Canon Europe
How to choose the right lens for your DSLR or mirrorless camera
RF vs EF lenses - Canon Europe
How Well Does the Canon R5 Work With EF Lenses?
RF Lens Benefits And Why You Should Make The Switch
Comparison of the Canon RF 24-105 f/4L with the EF 24-70 f/2.8L II on the EOS R5 - Photographs from Dr. Gerd-Uwe Neukamp
Comparing Canon RF 24-70 f2.8 vs EF 24-70 f2.8 II