We have been told a couple of times now that a “pro” EOS R mirrorless camera that is in the works will have some kind of a hybrid EF/RF lens mount. So this basically means that you'd be able to mount both types of lenses without the use of an adapter.
We were also told that this was being developed for the “EOS-1 style EOS R camera”, which would make a lot of sense. As I don't believe the reduction of size for an “EOS-1” style mirrorless camera is all that important.
This is definitely a bit of a strange rumour, but if Canon could pull this off, it would be great for Canon shooters.
We'll have some more information on this soon.
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Assuming this rumor is true, an adapter is detachable, the only option I can think off is a collapsible mount - a tube that can be pushed in & pulled out as needed. Somehow, I doubt we're going to see this in a pro camera.
Such a system can't be done without a sensor on rails.
On the other hand, why on earth would Canon do that now, after the EOS R release?
Well if this is true, and I do like where this information came from. I wonder if it's simply the feature wasn't ready for primetime, sort of like IBIS. They had to get something out to the masses and get the lenses rolling.
Does it mean longer lenses are better in EF mount and wider ones in RF mount?
At very least if I’m going to drop $12k on the 400 III for an R mount I’d like an included adapter in matching white.
Yes, separate slots for EF and RF lenses.
You've never used a collapsible thermos? Heck, you could probably shoot around corners with one of these.
Nope. Cool thing. Still don't see it in a pro camera.
can one actually mount an EF lens on an R body without an adapter? not use the lens, simply mount it