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Meike MK-EFTR-B for Canon EF/EF-S Lens to RF Mount Cameras Auto-Focus Lens Adapter with Control Ring
Features:
- Control Ring: Can be assigned the functions that are commonly used with cameras, such as shutter speed, aperture setting, ISO sensitivity and exposure compensation.
- Functions: It enables Auto Focusing, Image stabilizing, EXIF signal transmission and other functions of the lens.
- Online Update: Built-in USB Port for Upgrading drive and firmware online.
- Dust-proof and Water-proof: The rear mount on the adapter with a rubber ring to improve dust-proof and water-proof performance.
Specifications
- Compatible lenses: EF/EF-S lenses
- Compatible cameras: Canon EOS R cameras
- Front mount: Canon EF mount
- Rear mount: Canon RF mount
- Max. Diameter and Length: 74.4*24mm
- Weight:130g
Packing includes:
- 1*Control Ring Adapter
- 1*Front cap
- 1*Rear cap
- 1*Manual
Lens release lever:
It can be easily installed or removed through the lens release lever.
Gold-plated copper contact:
Adapt metal electronic contacts ensuring the stability of power and information transmission.
Built-in USB Port:
Plug the product in the computer with a Type-C data wire to update drive the firmware.
Control ring:
The control ring uses special material and design, which can be adjusted and used more precisely and feel comfortable.
Rubber ring:
The rear mount on the adapter with a rubber ring to improve dust-resistance and water-resistance performance.
Mount index:
When installing, align the Mount index found on the adapter with the same mark on the camera.
bwquestion
Reviewed in the United States on March 31, 2025
This is the one you are looking for. No issues. Does exactly what it says it does.
Wim
Reviewed in Belgium on February 25, 2025
Doet wat hij moet doen en dat voor een prima prijs.
JohnnyI
Reviewed in the United States on January 18, 2025
Eliminates the need for keeping multiple ND filters and/or step up rings.
L. J. Walker
Reviewed in the United States on August 6, 2024
This isn't the best-made adapter, but it works well and comes with the addition of a ring to enable different features on the camera (aperture, focus). And I haven't had any issues with it not communicating with my Canon EOS lenses and the the Canon R camera. Plus, the price is very attractive.
"the_24"
Reviewed in Germany on June 11, 2024
Der Sitz ist gut, sowohl an der Kamera als auch am Objektiv. Fühlt sich wertig an und funktioniert einwandfrei. Der rote Gummiring ist Geschmackssache, aber besser als nichts. Preis/Leistung Top!
Marco Celano
Reviewed in Italy on December 18, 2024
Solido e di ottima fattura, leggermente più plasticoso dell’originale ma a questo prezzo direi che vale ogni centesimo speso
Girish
Reviewed in the United Arab Emirates on November 14, 2024
Got this for 298aed during 11.11 sale for my R8. This one was next day delivery and I chose this over the meike just the adapter of 200 aed. I haven't used the ring but my ef lenses are working great.PS- Ef-M lens are not compatible
Client d'
Reviewed in France on May 11, 2023
La bague de contrôle Meike MK-EFTR-B s'adapte bien sur mon Canon R6 MK2. Je lui ai attribué le changement des valeurs ISO.Un peu trop souple pour modifier ces valeurs iso, et le moindre effleurement de celle-ci change la valeur iso. Globalement la qualité semble bonne.Mais la bague vide très rapidement la batterie du R6 MK2 même éteint. Je le savais en achetant, je savais également que la version du firmeware V 0.7 corrigeait ce problème de batterie.Mais tout est buggé sur le site constructeur. Le PDF qui ne s'affiche pas, le firmware qui n'est pas accessible ou qui est incomplet (j'ai un fichier d'extension .SKY, j'en fait quoi ? C'est vraiment pas le paradis).Bref, ni le vendeur, ni le site constructeur ne répond à mes différents mails demandant tout simplement L’EXPÉDITION DU FICHIER FIRMWARE ET LA MÉTHODE.Je suis prêt à réviser ma note et à donner la solution à autrui si une bonne âme me donne la solution.
Tracy
Reviewed in the United States on August 1, 2022
I am not familiar with the autofocus performance of the Canon RF-EF adapter with the control ring, but this adapter is perfectly fast and has performed very well every time I have used it. The lens I use the adapter with is the Canon EF 70-200mm f/4 IS USM and it works perfectly. I am also a huge fan of the control ring. I would recommend this adapter to anyone who is on a budget and uses the control ring. It adapts well to my Canon EOS R and is half the price of the Canon control ring adapter.
K
Reviewed in the United States on July 16, 2022
This adapter is great. It does everything I need it to do at a fraction of the cost of the Canon version. Attaches smoothly to the body, and lenses attach smoothly to it as well. Isn't very large and doesn't add an unreasonable amount of bulk by any means.I have to get used to where to reach when I'm looking to use the ring vs. zoom but that would certainly be the case with the Canon version as well.The camera doesn't throw any warnings etc. or differentiate it in any way from the Canon version. It just works.Very glad I found this affordable alternative so I can keep using my old lenses with my new camera.
Tiong Guan Chng
Reviewed in the United States on July 16, 2022
I got myself Canon R6 but still have lots of EF lenses in my arsenal. I mainly do Birding and Aviation photograpphy .. mouonted the Tamron 150x600mm G2 lens and it so far perform perfectly no issue there .. all functionalti works ... as good as the Canon RF to EF adapter but this one added the control ring. I have the control ring set to the default exposure compensation. also tried on tghe CAnon 70-200 F2.8 IS with 2x extender iii seems working oK~ .. make and fit of the adapter is very good and u can see the detail of the adapter is well made even have weather seal...overall quite happy+++++++++++++++++++++++++++++++ UPdate on the Adapter... I use it for almost a month and have the following update!
Aaron L.
Reviewed in the United States on June 2, 2022
It fits very tight the first couple of times you put this on. Don’t get scared like I did when I couldn’t remove it, just be patient. The ring works perfectly although it won’t work if you have a full manual lens. I haven’t updated but so far works fine.Totally recommends if you have a good collection of EF lens and don’t want to invest in the new and expensive RF lens.
KATY ZHOU
Reviewed in the United States on April 10, 2022
When I first received it, it was doing something funny to the autofocus and aperture of my lenses on the R6. However, after updating the firmware on the adapter, everything works well.TIP: When updating firmware on Windows, the menu during software install will give you 2 language options: English and some other language that Windows could not read and gave me random characters. When selecting English, the installer gave me gibberish characters. All you have to do is press next/continue and once done installing, the software will be installed in English.As to the build quality, the control ring adapter fits snugly and has a nice finish to it.
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