Great - but no use for rf lensesIf you have the EF to RF adaptor you could use the cheap and easy to get Canon EF ones.
A quick amazon search finds these:First question is do these exist - Canon don't seem to make them ?
As with any extension tubes I imagine they will allow you to focus closer than a lens normally does without these tube. Don't see any reason why it wouldn't increase the magnification or focussing distance of a macro lens also. In fact its quite commonly used to get past 1x magnification of standard macro lenses.Are they a good purchase for macro work ?
Would such a tube work with a dedicated macro lens or would it only work with standard lenses
A question for users of extension tubes if I may.
I don’t do ‘loads’ of macro, how much extra magnification could I expect by using the set above? I’m planning to buy the 85mm ‘macro’ and it’s only 1:2 would those extension tubes get it to 1:1 on the rare occasion I’d need it? Or even better?
According to the "normal" extension tube equation to get 1:1 you need the same amount of extension as the focal length... So nominally 85mm.
