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When will Sigma and/or Tamron produce RF lenses?

Started Jan 15, 2020 | Polls thread
rrc1967 Senior Member • Posts: 1,984
Re: Don't hold your breath
1

maiaibing wrote:

People very optimistic here. 3.rd party lens makers that can get along with only one mount to work with both EF and R line on cameras will not go for two before the volume tips very clearly to the mirrorless side. They have almost no incentive and its very uncertain the glass will be or work better than what they already can achieve by just keeping up copying the EF software to their best ability

A ton of vendors have made FE mount lenses.  they all can be migrated to the RF mount with little or no optical redesign.  It's simply a matter of a) using the EF mount protocol - which most of them know.  b) reversing the RF protocol and using the native RF protocol.

the EF mount lenses have little to do with it.  these vendors can see which way Canon is going.  Ever since Canon released the RF mount, they've said: "just like the EF mount before it, this is it for the next 30 years".

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