Customer Ratings & Reviews

I like this lens mount adapter it is small enough to carry in my camera bag.

I have a number of EF lenses, so this is essential part of the kit if you buy a Canon R or RP body. I have had zero issues with using my EF lenses on the Canon RP that I bought.

Almost seamless adapter for my R6 and L glass. Maybe a slight delay and softness of some images.

Very good adaptor, corespondent very quickly and I have no problem at all with my different lenses ! Very sharp and smooth!

My combination is the R6 + canon zoom 100-400 and so it has worked great.

I was worried when I was purchasing the Canon R6 mk ii, that my l series lenses weren’t going to work well with the camera. Long behold, it works flawlessly. Thank you Canon to making this dapter! The only cons are some vingetting between the camera sensor and the lens itself from the dapter. It’s not too much of annoyance. I am worried that overtime, the seal between the camera body and the adapter will not stay sealed, also along with the lenses seal.

This adapter gives new life to your old EF lenses. On a mirrorless system the auto focus works even faster than before. RF lenses are limited and expensive. The adapter is the perfect solution until the next RF lens comes along.

The Canon EF-EOS R Lens Mount Adapter is an essential accessory for any Canon user making the leap into the EOS R series. Paired with the EOS RP, this adapter showcases Canon's commitment to providing a smooth transition for photographers, ensuring compatibility and optimal performance. The adapter's build quality is exceptional, maintaining the robustness and reliability Canon users have come to expect. The seamless integration between the EF lens and EOS R body is a testament to Canon's engineering prowess. The adapter feels secure, and the locking mechanism ensures a snug fit, eliminating any concerns about stability during usage. One of the standout features is the preservation of autofocus capabilities. The adapter seamlessly allows EF lenses to retain their autofocus functionality on the EOS RP, ensuring a smooth shooting experience. This is a game-changer for those with an existing collection of EF lenses, as it eliminates the need to invest in an entirely new set of glass. Image quality remains uncompromised through the adapter, with the lens performing as intended on the EOS RP. The adaptability of the EF-EOS R adapter opens up a world of possibilities, allowing photographers to leverage their existing lens investments while enjoying the benefits of Canon's mirrorless technology. The compact and lightweight design of the adapter complements the portability of the EOS RP. It's a convenient addition to the camera bag, allowing users to switch effortlessly between EF and RF lenses without sacrificing space or convenience. While the Canon EF-EOS R Lens Mount Adapter may seem like a small accessory, its impact on the overall shooting experience is significant. It's a bridge that connects Canon's rich legacy of EF lenses with the cutting-edge technology of the EOS R series. If you're an EOS RP user or planning to step into the mirrorless realm, this adapter is a must-have for maximizing the potential of your lens collection. Highly recommended for its seamless integration, reliability, and the creative possibilities it unlocks.

Works Flawlessly. Have been using it for 3 years and have no issues with it. It takes every EF lens I throw at it and even tried it with a Laowa Lense made for EF Line. NO issues with connection or functionality. Worth the price to continue to use an assortment of lenses. Here I have a pic of it using the EF 40 mm but I've also used the 50mm 70-200 L, &70-300 from Canon as well as generic zoom adapters. It's so easy to use too.

I’m always looking for a deal, so when it cane to buying the Canon version or saving a couple bucks to get the knock off, i went with the knock off. Its just a chunck of metal after all, no optics are involved. Should be a no brainer right? Wrong. The one I got worked and communicated with my R6 and all my lenses but the attchment to the camera was just a hair off. The adapter would rock back and forth just slightly. Not a huge deal and my images weren’t affected but not having everything seated tightly gets on your nerves after a while. I used it for a bit before I broke down and got the Canon version which is a nice, tight fit. No more little wobble to deal with and I don’t have to wonder if my mount is getting damaged over time. Spend the extra money and get the brand name here.

It fit perfect, look perfect and work perfect, with Canon, Sigma and Tamron lens for my new EOS R and all work right all the time. (1/2 month of use, 2 weedings and 6 couple photographic sessions) Cons: -The only one thing that I don't like too much is the release lever, it is tiny and sometimes difficult to use, but works well.

Recently I switch to a mirrorless camera Canon R6 Mark ii with my Canon EOS 5D Mark iv. I have different focal length of EF lenses and I didn't purchase any RF lens yet. I am using this mount adapter and I colud perfectly focus and get the same picture quality of each of my lens. I hope before buying a costly RF lens anyone can use their old EF lens with this mount adapter with a confidence.

Works seamlessly! Easy to pop on and then use your lenses like normal. No learning curve or complications really. My only complaint is that the autofocus system on the Canon EOS R seems to have some trouble when using the EF lenses, but no issues with image quality or metering. I feel that is more to do with the camera body and software than with this adapter. This let's me use my more affordable but still wonderful low aperture EF lenses; even if they work better in manual focus mode I'll take it!

A must get if you just got an R-series camera and have lots of EF style glass. Durable, lightweight and quality adapter. Works with lenses several years old on the new mirrorless Canon lineup

I purchased a Canon R6 with RF 24mm105mm F4-7.1 kit lens. The lens is okay but it feels kind of flimsy and I'm not completely happy with the result. I purchased the EF-EOS lens mount adapter so I could get some more versatility and use my EF glass, which I feel gets much better results for the type of shooting I do -- primarily live concert photography. It doesn't have the control ring but that's fine. The main thing is that it ensures your EF glass works as though it were RF glass and doesn't add a ton of weight to the camera. There are two annoying things: In order to change lenses, you have to take off the entire lens with the mount, then take the lens off. Then you have to add the new lens to the mount and put back on the camera. It's not the most efficient thing to do if you're out in the field or on a shoot. Also if you have a lens with infinity focus, that motor whirrs and buzzes endlessly for some reason or another. But you have to really be paying attention or in a quiet environment to really notice it. Besides that, so far no complaints. It's a good option to continue to use your EF glass that you already spent a ton of money on already.

This adapter works great with my markii so I can still use my 50mm lens that I bought prior to my mirrorless camera. The images are still great quality!

Upgraded to this from a T7 and seriously love it! Great quality and so easy to use. Great product for the dollar amount.

I purchased this with my Canon R6 Mark II. I upgraded from the Canon 5D Mark IV. One of the things that caused me pause when deciding to upgrade was the significant investment I had already made into EF lenses. This is where the adapter comes into play. It allows me to use my very expensive EF lenses without any issues. All functions operate exactly as they did on the 5D; this includes autofocus, stabilization, aperture control, etc etc etc. If you’re hesitant about the upgrade from the EOS line to the R line don’t be. The adapter works great to ensure your investment into EF glass is protected.

Ef to rf adapter works great for using ef efs canon lenses or any lense with an ef or efs mount like sigma or tamron on canon r series mirrorless cameras ( r3 r5 r6 r7 r8). The build quality is great and it comes with its own case, saved me lots on buying new rf lenses.

I was hearing mixed reviews of people using this adapter with their EF canon lenses - but you literally cannot tell a difference in the quality! Save yourself money and keep your old lenses and use this bad boy. It's perfect and will get you those high quality lens shots even if they aren't RF lenses. The price is great too in my opinion - also, just get this one instead of any knock offs.