The lens cover is fit on the Canon RF mount telephoto extender when it is not in use on your lens. It protects the glass element from dust, moisture, scratches, fingerprints and sun rays.
Compatibility:
The lens cap is designed for Canon telephoto extender EXT. RF1.4X and EXT. RF1.2X with EOS RF mount.
Note* It's not compatible with the EF 1.4X III, EF 2.0X II and EF 2.0X III.
Specification:
Material: ABS Plastic
Item Weight: 0.88 ounce
Item Size: Ф2.66x0.98 inches
What you get:
Extender Cover x 1pc