Canon RP has a Canon RF lens mount and currently there are 39 native lenses available for this mount.
The latest released lenses that are compatible with the EOS RP are the Canon RF 28mm F2.8 STM, the Canon RF 100-300mm f2.8 L IS USM and the Canon RF 24-50mm F4.5-6.3.
Canon RP doesn't have a sensor based image stabilization system but 24 of these lenses already comes with optical image stabilization.
Since Canon RP has a Full frame sensor, it has a focal length multiplier of 1x so lenses will provide their original focal length on EOS RP.
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Canon RP Lenses with Image Stabilization
Canon RP Lenses with Weather Sealings