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Canon 2971C005 Bayonet Adapter EF-EOS R, Black

4.7 out of 5 stars 2,348 ratings
$128.36
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Style: Adapter
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Purchase options and add-ons

Brand Canon
Material Durable material
Coating Description No Coating
Photo Filter Effect Type Enhancing
Water Resistance Level Water Repellent
Global Trade Identification Number 04549292115703

About this item

  • Use existing lenses with EF and EF-S bayonet with a Canon EF-EOS R camera.
  • Built for professional use.
  • Box contents: bayonet adapter EF-EOS R, camera housing cover R-F-3, lens back cover RF, case, user manual (English language not assuranced).
  • Model number: 2971C005
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Top Brand: Canon

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What's in the box

  • 1

    • Product information

    Product Dimensions 4.57 x 3.15 x 4.92 inches
    Item Weight 3.88 ounces
    ASIN B07H5SL6W3
    Item model number 2971C005
    Batteries 1 AA batteries required.
    Customer Reviews
    4.7 out of 5 stars 2,348 ratings

    4.7 out of 5 stars
    Best Sellers Rank #238 in Camera Lens Adapters & Converters
    Is Discontinued By Manufacturer No
    Date First Available September 8, 2018
    Manufacturer Canon
    Language English
    Country of Origin Taiwan

    Warranty & Support

    Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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    Canon 2971C005 Bayonet Adapter EF-EOS R, Black

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    Product Description

    Product Description

    The adapters of the EOS R system allow full compatibility with the entire range of Canon EF and EF-S lenses. So owners of a camera of the Canon EOS R system can also fully integrate another EOS camera into their existing lens lineup as well.

    Set Contains:

    Box contents: Bayonet adapter EF-EOS R; camera housing cap R-F-3; rear lens cap RF; case; user manual (English language not guaranteed)

    Customer reviews

    4.7 out of 5 stars
    2,348 global ratings

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    Excelente calidad de construcción
    5 out of 5 stars
    Excelente calidad de construcción
    El pedido llego dentro del tiempo indicado, y la calidad del producto junto con el embalaje estuvieron excelentes.
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    Top reviews from the United States

    • SJZ
      5.0 out of 5 stars The Best Adapter Of Them All
      Reviewed in the United States on February 26, 2025
      Style: Adapter with lens control ringVerified Purchase
      I know there are many options out there for EF to RF mount adapters. However, I find this to be the best one. Not only it does a great job at allowing you to use EF lenses on RF cameras without any troubles but it also gives you a Control Ring. The Control Ring allow your EF lenses to have an extra ring to modify what you want to use it for, just like the RF lenses. This is my favorite adapter and its also straight from Canon.
      Helpful
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    • walkwithme
      5.0 out of 5 stars Perfect adapter
      Reviewed in the United States on February 25, 2025
      Style: AdapterVerified Purchase
      I have lenses from my Canon 50D that I can now use with my Canon EOS R6 Mark II !!! This adapter allows all of my lenses to fit perfectly! Great job Canon!
      Helpful
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    • Ferg Baby
      5.0 out of 5 stars As good as Chuck Compnay Model
      Reviewed in the United States on February 20, 2025
      Style: AdapterVerified Purchase
      Worked as well as a much more expenisve model made by Chuck Company
      Helpful
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    • T Murison
      5.0 out of 5 stars Perfect
      Reviewed in the United States on January 9, 2025
      Style: AdapterVerified Purchase
      Does exactly what it is supposed to do, used with several ef lenses so far and works perfectly. Camera is R6mII, all functions that should there are there, af, is, etc.
      Helpful
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    • Fabian Lozada
      5.0 out of 5 stars Excelente calidad de construcción
      Reviewed in the United States on December 14, 2024
      Style: AdapterVerified Purchase
      El pedido llego dentro del tiempo indicado, y la calidad del producto junto con el embalaje estuvieron excelentes.
      Customer image
      Fabian Lozada
      5.0 out of 5 stars
      Excelente calidad de construcción

      Reviewed in the United States on December 14, 2024
      El pedido llego dentro del tiempo indicado, y la calidad del producto junto con el embalaje estuvieron excelentes.
      Images in this review
      Customer image
      Helpful
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    • CMG
      5.0 out of 5 stars Great!
      Reviewed in the United States on October 14, 2024
      Style: Adapter with lens control ringVerified Purchase
      Mates my EF lenses to my RF mount camera and does it well. I don’t know how much I’ll use the control ring feature, but I chose to get that version anyway to experiment with. I consider it a worthy addition to my camera equipment.
      Helpful
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    • Dennisa95
      5.0 out of 5 stars A must have for EF to RF mounts
      Reviewed in the United States on July 2, 2024
      Style: AdapterVerified Purchase
      I have collected a few EF Canon lens for my EOD 50D. Recently upgraded to the EOD R8 and didn't realize that the lens mounts were different. This adapter allows me to use all my EF lens with the R8
      One person found this helpful
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    • Olena Khanasyk
      5.0 out of 5 stars Love it!
      Reviewed in the United States on February 20, 2024
      Style: AdapterVerified Purchase
      Very good quality!
      Helpful
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    Top reviews from other countries

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    • John Hodgson
      5.0 out of 5 stars Excellent but Expensive
      Reviewed in Australia on January 30, 2021
      Style: Adaptor with plug-in filter (C-PL)Verified Purchase
      Well I managed to purchase this adapter during a brief 25% off sale, otherwise at the normal price I would have considered it too expensive for an amateur photographer with limited budget. Already I have used the adapter with CPL on my newish Canon EOS R6 during some outdoor photo shoots and have found it to be excellent. So easy to adjust since the adjustment wheel sits near to the camera body rather than at the extremity of the lens. Works with all my EF glass since it's in the adapter. Have ordered and waiting to receive the clear filter so I can keep this adapter on the camera all the time and simply change filters to suit the shoot location, time of day etc.
      I could not see any unexpected colour changes in the pics taken using this CPL. Provided some beautiful mid-to-deep blues in the daytime sky. For this adapter, the ND filter is way, way over-priced so will probably wait for a special with a decent discount if I decide to purchase it. It's a great shame Canon don't offer these accessories at a more reasonable price and focus making their money on camera and lens sales. If you have EF glass and want to use it on RF mount, and can afford this adapter, I highly recommend it.
      Report
    • francone
      5.0 out of 5 stars Eccellente
      Reviewed in Italy on September 18, 2024
      Style: Adaptor with plug-in filter (C-PL)Verified Purchase
      Adattatore ef, efs a rf, il pola incluso satura i colori e fa vedere oltre la superficie dell'acqua
      Report
    • Cliente Kindle
      5.0 out of 5 stars Perfetto anche con ottica NON Canon
      Reviewed in Italy on March 26, 2025
      Style: AdapterVerified Purchase
      Acquistato con la promo offerte di primavera ad un prezzo incredibile. Confermo la qualità del servizio AMAZON .... impeccabili sia i tempi di spedizione che l' imballo (accurato). Come in descrizione adattatore con scatola e custodia originali. Utile confermare che funziona perfettamente sulla R10 con ottica SIGMA 17-70mm F2.8-4 DC Contemporary
      Report
    • Johan
      5.0 out of 5 stars Bra kvalitet mycket nöjd.
      Reviewed in Sweden on December 16, 2022
      Style: Adaptor with plug-in filter (C-PL)Verified Purchase
      Bra kvalitet mycket nöjd.
      Report
    • yudoufu
      5.0 out of 5 stars 純正品が間違いない。
      Reviewed in Japan on January 21, 2025
      Style: AdapterVerified Purchase
      純正品が間違いないです。EFレンズもSレンズも装着出来るので、過去の資産を活かせます。
      Report