Canon Mount Adapter EF-EOS R
Canon SKU: 2971C002 | Helix SKU: CA2971C002
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 Adapter EF-EOS R 
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Mount Adapter
| 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) |
