• Product Overview: Set of 3 compatible lens rear caps for Canon Canon RF mount. Simple No Logo Design Alignment Mark Easy to turn side knurling • Product Features: This lineup has many requests for rear cap only from old lens lovers. E-Mount, RF Mount, Z Mount and more • Installation Notes: When attaching the cap to the lens, please align the position mark of the lens and cap and turn it. It can be used not only for RF mounts, but also for EF mounts • [About F-Foto] [Established in 2012] Japanese camera accessories manufacturer. (Headquarters in Gunma Prefecture) [Net Specialty] Since it is a manufacturer that does not have a shop, we can offer high quality products at a reasonable price. (Many of High Rated Products) We have a large number of original products with high ratings (300+ reviews), such as shoe covers, tripoders, lens plates, and compatible hoods. High Quality (Inspected in Japan Factory) We inspect every number of products produced in overseas factories and then deliver products to our warehouse. (Safe to Use) In the event that there is an initial defect, please buy with confidence