RM80 / Hari
Fully Compatible Lenses
Prime Lenses: RF 400mm f/2.8L IS USM
RF 600mm f/4L IS USM
RF 800mm f/5.6L IS USM
RF 1200mm f/8L IS USM
RF 100-300mm f/2.8L IS USM
RF 100-400mm f/5.6-8 IS USM
RF 200-800mm f/6.3-9 IS USM
Lenses with Specific Limitations
RF 100-500mm f/4.5-7.1L IS USM
Can only be used within the 300mm to 500mm zoom range. The lens must not be zoomed out wider than 300mm with the extender attached, as the rear element protrudes and will make physical contact.
RF 600mm f/11 IS STM & RF 800mm f/11 IS STM
Fully compatible, but will limit the maximum aperture to f/16 and restrict the autofocus area on some camera bodies
Incompatible Lenses
RF 70-200mm f/2.8L IS USM
RF 70-200mm f/4L IS USM
All non-telephoto RF prime and zoom lenses