Designed to fit the pioneering EOS R system, this RF Lens Dust Cap is for Canon RF-mount lenses, built to protect the lens\' rear element from dust and scratches when not in use. Suitable to be taken on location shoots to secure your RF lenses when not attached to your EOS R camera. Benefits Designed to fit the pioneering EOS R cameras RF-mount Protect the lens rear element from dust and scratches Robust build quality Compatible with RF lenses only What\'s in the box RF Lens Dust Cap Compatibility RF 35mm f/1.8 IS Macro STM RF 50mm f/1.2L USM RF 24-105mm f/4L IS USM RF 28-70 f/2L USM Mount Adapter EF-EOS R Control Ring Mount Adapter EF-EOS R Drop-In Filter Mount Adapter EF-EOS R RF 24-240MM f/4-6.3 IS USM RF 24-70MM f/2.8L IS USM RF 15-35mm f/2.8L IS USM RF 70-200mm F2.8L IS USM RF 85mm F1.2L USM DS RF 24-105mm F4-7.1 IS STM RF 600mm F11 IS STM Lens RF 800mm F11 IS STM Lens RF 85mm F2 Macro IS STM Lens RF 100-500mm F4.5-7.1L IS USM Lens Extender RF 1.4x Extender RF 2x RF 50mm F1.8 STM Lens RF 70-200mm F4L IS USM Lens RF 100mm F2.8L MACRO IS USM RF 400mm F2.8L IS USM RF 600mm F4L IS USM RF 14-35mm F4L IS USM RF 100-400mm F5.6-8 IS USM RF 16mm F2.8 STM RF 5.2mm F2.8L DUAL FISHEYE Lens RF 800mm F5.6L IS USM RF 1200mm F8L IS USM