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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: When will Sigma and/or Tamron produce RF lenses?

GrunRad wrote:

rrc1967 wrote:

I have not heard that the Samyang 14mm uses "EF" - ie: you can use the R's fast EVF refresh and the other small limitations of EF protocol lenses on the EOS R.. has anyone? If there is no such limitation on the Samyang 14mm then figuring out the protocol is easy - Samyang already did it.

With the Samyang AF 14mm for RF, fast EVF refresh rate is not available. Peripheral illumination (vignetting) and distortion corrections, as well as in-camera DLO, can be enabled.

Thanks.

So that means that Samyang is possibly emulating the EF protocols still.

I'm surprised that, with that they managed to get DLO running.

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