The Mount Adapter EF-EOS R gives you the ability to utilize any Canon EF or EF-S lens with the EOS R camera, letting you use your existing lenses with the camera and allowing you to expand your horizons. Lightweight, compact and easy to attach, the Mount Adapter EF-EOS R makes it possible to use EF and EF-S lenses without compromising functionality, speed or quality. With a stylish design that matches the EF and EF-S lens look and a sturdy, dust- and water-resistant construction, the Mount Adapter EF-EOS R makes it easy to adapt to more lens choices and possibilities.

• Mount Adapter Allows EF/EF-S Lens Compatibility with the EOS R Camera.
• Exterior Design Matched to EF Lenses.
• Dust- and Water-resistant.
• Metal Mount on Both Lens and Camera Sides Provide Rugged Flexibility.
• Mount Specification: Canon EF mount (camera side), Canon RF mount (lens side)
• Usable Lens: Canon EF lenses; Excludes RF lenses, EF-M lenses, CN-E lenses (EF cinema lenses)
• Usable Camera: Canon EOS R camera
• Dust- & Water-resistance: Provided (rubber ring)
• Dimensions: Φ2.80 x 0.94 in. / Φ71.2 x 24mm (adapter only)
• Weight: Approx. 3.9 oz. / 110g (adapter only)