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EF-EOS R Control Ring Mount Adapter

Prices as of September 27, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$239.00
Sep 14 · Macy's
Best price
$239.00
−0% vs high
14-day high
$239.00
All stores
$239$239$239
Sep 14Sep 27
  • Macy's
Lowest in 14 days: $239.00 at Macy's. Highest: $239.00. Current best is 0% below the 14-day high.

What buyers say

AI summary · 54 reviews

A high-quality adapter that seamlessly integrates EF lenses with Canon R-series cameras, offering reliable performance and added control ring functionality. A few buyers note the control ring is underused or awkwardly positioned, but these are rare concerns.

Liked

  • Solid build quality
  • Seamless lens compatibility

Complaints

  • Control ring placement issue
  • Image stabilization always on

Generated by AI from real customer reviews at Macy's — may miss nuance. Summarized Sep 2026.

About this product

The Canon EF-EOS R Control Ring Mount Adapter enables seamless use of existing EF and EF-S lenses on Canon EOS R series cameras. It features a built-in control ring for quick adjustments to aperture, shutter speed, and ISO, delivering the precision and customization found in native RF lenses. Designed with durability in mind, it has a metal mount on both ends and is dust- and water-resistant. Its compact, ergonomic shape matches the look and feel of EF lenses while maintaining the lightweight profile of the EOS R system. The adapter is made in the USA and requires only wipe-cleaning for maintenance.

  • Mounts EF/EF-S lenses on EOS R cameras
  • Built-in control ring for settings
  • Dust- and water-resistant
  • Metal mounts on both sides
  • Compact and lightweight design
  • Wipe-clean maintenance

Based on 54 reviews at Macy's

Read all 54 reviews on Macy's

AskPrice does not host review text. We aggregate the public rating from the retailer and link to the source for full reviews.

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EF-EOS R Control Ring Mount Adapter — Price Tracker & History