![sigma16 728x462 - SIGMA to address their RF mount plans in early 2020 [CR2]](https://www.canonrumors.com/wp-content/uploads/2019/10/sigma16-728x462.png "SIGMA to address their RF mount plans in early 2020 [CR2]")
We have been told that SIGMA is actively working on an RF mount lens roadmap and will announce their plans sometime in early 2020, I would suspect an announcement ahead of CP+ in February would be the ideal time to do so.
Apparently distributors have received some early information about SIGMA's plans, but our source on this one didn't want to divulge any more information.
It would be great for the EOS R system if SIGMA gets on board early with compelling lenses.
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With Canon's UWA RF zoom going down to 15mm, I wonder how much demand there will be for a 14-24. Smaller zoom ratio, no IS and not filterable with a screw on filter...
I especially appreciate (1) aperture ring with "A" position; (2) great image quality; (3) great build quality ... but $550 seems high for a slow normal prime.
Not just compelling but quality budget lenses. If anything it will encourage Canon to roll out a few more lenses at a price point that us mere mortals can afford.
Why not just use the current Canon mount with an adapter?
Has anybody been using current Sigma lenses with the R? I have a macro, but I just realized I haven't tried it yet!
I'm using the Sigma 35/1.4 on my new RP with firmware 1.4. The autofocus is reasonably accurate and reasonably fast, but isn't as good in either respect as Canon's 85/1.8 on the same body. Would an RF native Sigma lens perform better than a Canon lens? I'm not sure.
EDIT: "as well as," not "better than" (a Canon lens).
Yes, I’ve been using the Sigma Art 35mm 1.4, paired with the EOS R.
Why is that? (As soon as I get a chance I'm trying my macro.)