Canon R has a Canon RF lens mount and currently there are 35 native lenses available for this mount. Canon R doesn't have a sensor based image stabilization system but 22 of these lenses already comes with optical image stabilization.
Since Canon R has a Full frame sensor, it has a focal length multiplier of 1x so lenses will provide their original focal length on EOS R.
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Canon R Lenses with Image Stabilization
Canon R Lenses with Weather Sealings