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Canon Looking for a Prosumer RF-S Zoom? Finally?

Richard-CN

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Dec 27, 2017
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I just have one statement for this patent application (2026-003099), Canon, please, just: Do it With the Canon EOS R7 Mark II on the horizon, the zoom with a fast aperture but around the focal lengths necessary for a crop camera would not only be welcomed, but really, it's necessary. Someone was commenting to me […]

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What happened to that patented RF-S 15-60 F2.8 Z? That one would have been my preference (though it's a teeny bit less exciting now that the Sigma 17-40 f/1.8 is available) but if that's been scrapped then here's hoping for the 15-70 f/2.8-4. Even with it apparently darkening quickly, that extra stop of light on the wide end is VERY useful indoors.

Also hope Canon's revising the 18-45 so future budget RF-S bodies have something more useful. Still can't believe they started it at 18mm vs the 15mm of it's predecessor!
 
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I would be satisfied with a well corrected (not relying on computational correction for good results) RF-S 15-60 4.0 IS USM with a good close focus range (1:3 reprod. ratio would be stunning).
But maybe three lenses?
→ f/2.8 High End Z type 15-60
→ f/4.0 High quality fixed aperture 15-60
→ f/2.8...5.6 good quality var aperture 15-85 like the older EF-S version
And the EF-S 15-85 is of really good quality, very low noise AF, IS and reasonably sharp at least for 4k video - the R7s 32 MPix sensor reveals the non-perfect sharpness but photography is more than just pixel peeping.
 
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Is it that hard or expensive to make an APS-C zoom? Because it takes Canon 20 years and 50 patents to finally make one. All this while selling millions of APS-C cameras every year. In the same time Sigma somehow manages to design a whole series of high quality APS-C lenses. And even the much smaller Nikon.
 
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When I read the article's title, I was hoping to see a 15-whatevermm zoom. Not that the Sigma 18-50mm is a bad lens, but on Canon that's a not-very-wide 29mm effective, and the difference between 24mm and 29mm is pretty significant.
 
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