Canon Control Ring Mount Adapter EF-EOS R
Canon SKU: 2972C002 | Helix SKU: CA2972C002
Overview
Similar to the Mount Adapter EF-EOS R, the Control Ring Mount Adapter EF-EOS R lets you expand your lens compatibility when using the EOS R camera, but with an added control ring for additional customization. Attach any EF or EF-S lens to the EOS R using the Control Ring Mount Adapter EF-EOS R without losing the control ring you’d have with an RF lens to control numerous settings and functions for fast and smooth performance on the go. It even comes with a clicking mechanism that delivers easily perceptible feedback, which can be removed for a fee to provide more silent operation if preferred. Featuring a matching design and resilient, dust- and water-resistant construction, the Control Ring Mount Adapter EF-EOS R is a no-compromise way to incorporate your EF and EF-S lenses into the EOS R system.
- Mount Adapter Allows EF/EF-S Lens Compatibility with the EOS R Camera.
- Built-in Control Ring Provides Quick Access to Camera Functions.
- Exterior Design Matched to EF Lenses.
- Dust- and Water-resistant.
- Metal Mount on Both Lens and Camera Sides Provide Rugged Flexibility.
Specifications
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 | Φ2.93 x 0.94 in. / Φ74.4 x 24mm (adapter only) |
Weight | Approx. 4.6 oz. / 130g (adapter only) |
Item Includes
Control Ring Mount Adapter EF-EOS R ![]() |
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