Can I use Canon EF lenses on the EOS R5 with the EF-EOS R adapter?
Asked 7/15/2020
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I'm considering a Canon EOS R5 and want to keep using my existing EF-mount lenses. Will the standard Canon Mount Adapter EF-EOS R work with the R5, or is a different adapter required? The adapter product page mentions the EOS R, but not newer RF-mount bodies.
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
5y ago
2 Answers
6
I am sure the product specification page has not been updated since the launch and which is why it is mentioning the camera bodies available at around that time. There is no reason for the rf-ef adapter to not work since they communicate via the same protocol/mount. If that would have been different for each camera (not consistent across all cameras with the same mount) then future lenses would also not work with previous cameras of the same mount!
So I am sure, unless Canon puts out something like a compatibility matrix of lenses/adapters vs cameras, all rf mount lenses/adapters will continue to work with all rf mount bodies.
That is the whole point of standards and good designs - i think the latest EF lenses continue to work as designed with the EF film bodies!
Hope that helps!
Originally by user67684. Source · Licensed CC BY-SA 4.0
user67684
5y ago
0
Generated from our catalog & community — verify before relying on it.
Yes. Canon EF lenses can be used on the EOS R5 with the Canon Mount Adapter EF-EOS R; you do not need a different adapter just because the camera is an R5. The adapter page likely only mentioned the EOS R because it was written before newer RF-mount bodies were released.
In general, Canon RF-mount bodies share the same mount standard, so the same EF-to-RF adapters used on the EOS R and RP also work on the R5 and R6. Canon’s R5 documentation lists EF and EF-S lenses as compatible when used with the Mount Adapter EF-EOS R. EF-M lenses are not supported with this adapter.
Canon offers several versions of the EF-EOS R adapter, including the standard adapter, a control ring version, and drop-in filter versions. All are for adapting EF/EF-S lenses to RF bodies.
One caveat: while EF lenses will mount and work, some older lenses may not match the autofocus speed or feature support you’d get with native RF lenses.
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