This is the Canon RF lens roadmap

I think the DOs will eventually get an RF mount. I just dont know when so do not comment on it.
Given that the 600 and 800 f/11 are both DO and size and weight reduction may have priority, I wouldn't be surprised to see all the RF Supertelephotos employ DO technology. At that point, the distinction is moot.
 
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That is a surprise. I wonder why they did not market it as such.
They mention it in the feature section, but no green ring and no hype. They do mention that the DO elements are used among other things to minimize CA, so my thought is that DO may replace fluorite in the super teles. That would reduce size and weight, lower cost, and increase ruggedness (fluorite is very fragile and very expensive). AFAIK, the EF400 f/4 DO does not have a fluorite element and it is quite sharp and relatively light. Canon's DO tech has come a long way since that lens was introduced and has clearly been cost reduced to have been included in the 600 and 800 f/11. Also, the EF 200mm F/2 is a reference lens, so I wouldn't be surprised to see a return to the 200 f/1.8 (with IS this time) just to give folks a reason to move off of their EF 200. 2021 should be an interesting year from Canon.
 
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What would be the upside to a 24-70F4 L IS vs the 24-105F4 L IS which to me seems relatively light, extremely sharp, keeps distortion minimal and is reasonably priced?
SIze. The EF 24-70 F4L IS is considerably smaller than the 35-105s, mainly shorter and lighter. Optically, in theory, it could be better as they have less trade off in correction between the wide and short ends, but in practice it may not be that much different.

Brian
 
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TS, TS, TS ... I would love to see AF tilt-shift lenses, especially the 14MM version. Right now I have to tilt my R6 with the 15MM Laowa and bend the pixels back in PS. It works to a point, but as part of the image is lost with perspective correction, it is a less than ideal solution.

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It's been more than three months since the last lense announcement (RF 70-200mm & RF 50mm on Nov. 4th) and I'm honestly growing impatient. Is there any sign/ rumor of announcements soon to come? I'm specifically waiting for the RF 14-35mm since I'll be needing a wide-angle lense this summer... if it's not coming I might have to get a sigma or laowa to adapt on my R...
 
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It's been more than three months since the last lense announcement (RF 70-200mm & RF 50mm on Nov. 4th) and I'm honestly growing impatient. Is there any sign/ rumor of announcements soon to come? I'm specifically waiting for the RF 14-35mm since I'll be needing a wide-angle lense this summer... if it's not coming I might have to get a sigma or laowa to adapt on my R...
I’d say the chances of that RF14-35 being available for use by summer are zero to none based off what we saw in 2020, but why not adapt the EF L 16-35 which is still a fantastic lens? I like the Laowa offerings (And they have some great specialty lenses) but I don’t feel in sharpness or CA handling they are necessarily the best choice for wide angle. Sigmas I’ve heard good things about but have no hands on with.
 
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