However, you can technically use a crop-sensor lens on a full-frame body. Many full-frame cameras have a setting that mimics a crop sensor, which will remove the vignetting. There's going to be a ...

You can use these lenses on a full-frame EOS R series body via crop mode, however it’s best suited to high-resolution sensors like those found in the EOS R5 and R5 Mark II as their 45MP full ...