1、Made of aluminum alloy, light and strong, oxidation and corrosion resistance, long service life. 2、The electronic aperture is adjustable, and the aperture scale is accurate and easy to adjust, making your shooting more professional. 3、Support AF autofocus, fast and stable autofocus function to make your shooting more clear and natural. 4、The pluggable circular polarizer is adjustable. The adjustable polarizer filters effectively except for strong reflection on the metal surface. Removable CPL filter. 5、Support EXIF information transmission, can transmit parameter information efficiently and quickly. Support IS anti‑shake function, shooting more freely, the picture IS smooth. Item Type: Lens Adapter Ring Material: Aluminum Alloy Weight: Approx.232g/8.2oz Focus Mode: Auto Focus Applicable Lens: for Canon EF/EF S Mount Lens Applicable Camera: for Canon R Mount Camera EF-R Adapter Ring Supports Autofocus Cameras: for Canon Eos C70/Eos R5/ Eos R6 /Eos Ra /Eos R /Eos RP EF-R Adapter for Canon Lens Model: for EF400mm f/5.6 L USM for EF70-200mm f/2.8 L USM for EF24-70mm f/2.8 L USM for EF50mm f/1.2L USM for EF35mm f/1. 4L USM for EF35mm f/. 4L USM for EF35mm f/2 IS USM for EF-S 17-85mm f/4-5.6 IS USM for EF-S 18-135mm f/3.5-5.6 IS USM for EF-S 15-85mm f/3.5-5.6 IS USM for EF70-200mm f/4 L IS USM for EF14mm f/2.8 L II USM for EF-S 17-55mm f/2. 8 IS USM for EF500mm f/4L IS USM for EF85mm f/1.4L IS USM for EF24-70mm f/4L IS USM for EF16-35mm f/4 L IS USM for EF24-70mm f /2.8L II USM for EF70-200mm f/2.8 L IS USM for EF16-35mm f/4 L IS USM for EF200mm f/2L IS SM for EF70-300mm f/4-5.6 L IS USM for EF300mm f/4L IS USM for EF100-400mm f/4.5-5.6 L IS USM for EF24-105mm f/4L IS USM for EF600mm f/4L IS II USM for EF100mm f/2.8 L Macro IS USM for EF24-105mm f/4L IS II USM for EF100mm f/2. 8 Macro USM for EF16-35mmf/2.8LIII USM for EF-S 60mm f/2. 8 Macro USM for EF135mm f/2 L USM for EF50mm f/1. 8 STM for EF40mm f/2. 8 STM for EF16-35mm f/2.8 L III USM for EF-S 24mm f/2.8 STM for EF24-105mmf/3.5-5.6|S STM for EF70-300mm f/4.0-5.6 IS II for EF70-200mm f/4 L USM for EF-S 10-18mm f/ 4.5-5.6 IS STM for EF17-40mm f/4 L USM for EF-S 35mm f/2. 8 IS STM for EF180mm f/3.5 L USM for EF-S18-200mmf/3.5-5.6 IS for EF50mm f/1.8 II for EF35mm f/2 for EF-S 10-22mm f/3.5-4.5 USM for EF-S 18-55mm f/3.5-5.6 IS II for EF600mm f/4L IS ll USM for EF100mm f/2 USM for EF28mm f/1. 8 USM for EF70-200mm f/2.8 L IS II USM for EF50mm f/1. 4 USM for EF16-35mm f/2.8 L II USM for EF24mm f/1. 4 II USM for EF35mm f/1.4L ll USM for EF200mm f/2.8L II USM for EF70-200mm f/4 L IS II USM 1 x Adapter Ring 1 x CPL Filter (installed) 1 x Adapter Ring Protection Cover (installed) 1 x Storage Bag 1 x Wipe Cloth 1 x Manual