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Customer Reviews

Canon Mount Adapter EF-EOS R

Canon Mount Adapter EF-EOS R Adapts Canon EF/EF-S DSLR lenses to EOS R mirrorless cameras

MFR # 2971C002

5.0 out of 5 stars
10 reviews
View this product
great value

Robert from Tehachapi, CA on 9/3/2024

Verified customer (What's this?)
Verified employee review (What's this?)

Great product. No need to buy new lenses after updating my EF canon rebel to R6 mkii

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Crutchfield response on

1 of 1 found this helpful

Canon Mount Adapter EF-EOS R

Javier from Canovanas, PR on 5/21/2023

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Verified employee review (What's this?)

This adapter works flawlessly, I will recommend this item to my colleagues

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Crutchfield response on

0 of 0 found this helpful

Canon Mount Adapter EF-EOS R

Mike from Bainbridge, NY on 3/10/2023

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nice fit works well

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Crutchfield response on

0 of 0 found this helpful

Very useful product for the migration to mirrorless

William from Tempe, AZ on 6/23/2022

Verified customer (What's this?)
Verified employee review (What's this?)

Works as designed. Easy to attach to the R3 body and the other end to one of my older lenses. Focus is just as fast and images are sharp.

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Crutchfield response on

1 of 1 found this helpful

EF glass in an RF world

John from Winston Salem, NC on 3/12/2022

Verified customer (What's this?)
Verified employee review (What's this?)

This adapter does exactly what it is supposed to do - connect EF lenses to the new RF mount. Photos are unaffected. This adapter does not have the selection ring on it and that is just fine as you can set the various wheels on the camera to adjust ISO, Aperture, Shutter speed, etc. You don't "need" one on your adapter, so unless you "want" it this adapter is for you. And you save $100...that is $100 for a flash or a new lens, etc. If you have EF glass, this is a must if you buy a Canon RF mount camera. Seamless operation; you can't ask for anything else.

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Crutchfield response on

1 of 1 found this helpful

Canon Mount Adapter EF-EOS R

Tom from Greenbelt, MD on 2/2/2022

Verified customer (What's this?)
Verified employee review (What's this?)

Works great for using older-style EF and EF-S lenses on a new RF camera!

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Crutchfield response on

0 of 0 found this helpful

Works Perfectly

Crutchfield customer from Farmington Hls, MI on 4/28/2021

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Verified employee review (What's this?)

Works flawlessly! I can now use my thousands of dollars in existing lenses with my new camera.

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Crutchfield response on

1 of 1 found this helpful

Adapter works well

Crutchfield customer from Glen Allen, VA on 4/10/2020

Verified customer (What's this?)
Verified employee review (What's this?)

I have used a couple EF lenses with the EOS R including the 1.4 extender II with this adapter and all have worked well without a hitch. I was fortunate that the adapter came with the purchase of the EOR R camera as a promotion.

Pros: Works with all of my EF lenses without a hitch.

Cons: none

Crutchfield response on

3 of 3 found this helpful

Canon Mount Adapter EF-EOS R

Crutchfield customer from Jay, NY on 10/12/2019

Verified customer (What's this?)
Verified employee review (What's this?)

Does what it's supposed to. I have 4 EF or EF-S lenses, they all work on the new RF mount body.

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Crutchfield response on

0 of 0 found this helpful

Canon Mount Adapter EF-EOS R

Crutchfield customer from Astoria, NY on 11/11/2018

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Verified employee review (What's this?)

The adapter works flawlessly with all my EF lenses. Love it.

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Crutchfield response on

1 of 1 found this helpful

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