We have been sitting on this one for a while, but we have now heard it from more than one source, so we think it's solid enough to put out there.
Canon apparently has plans to have at least one constant aperture zoom lens for APS-C cameras, with the possibility for another one or two. Neither source expects anything to come until the next APS-C prosumer camera coming in 2025.
The Canon EF-S 17-55mm f/2.8 IS USM was a terrific lens optically, but suffered from some build quality issues, most notably its dust magnet abilities. While dust doesn't really do anything to your images, it was just annoying to take it out of the box and use it for a few days and see the build-up.
I don't want to guess the focal lengths at this time, but one source suggested that we'll get 24-70 and 70-200 equivalents for RF-S/APS-C. Just doing some quick math, and rounding to the usual numbers, that would be an RF-S 15-45mm f/2.8 and an RF-S 45-125mm f/2.8. Don't expect either to be “L” lenses, but they could certainly be a lot lighter and more affordable than going with RF “L” lenses to get similar focal lengths.
I want to stress that those focal lengths have not been told to me or confirmed in any way, it just gives you an idea of what the pair could look like.
We know the APS-C lineup is getting some love in 2025, and some indications point to the 7 series going back up market like it was during the EF mount days. I would think lenses such as this would be very welcomed.
Take this with a grain of salt, APS-C comments and conversations that we've had over the last few months are all over the place. There has been some consistency that Canon is aware APS-C matters and that will be addressed in next year with a few bodies and at least one new line.
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I became an expert getting the dust out of them, got it down to a 5 minute process. Couldn't send them to renters otherwise. The push pull 100-400 was pretty quick after you got the thing open the first time (It took a dremel). Those two lenses............... :oops:
None of the Sigma lenses are fully weather sealed.
As a C70 owner I would love it!
That's still in the pipeline, I have seen it on a roadmap. There have only been a couple of times when something on a roadmap never came to fruition. Stuff gets axed or reworked.
I thinking the "new line" APS-C camera will be made for such a lens.
This is old enough now, but you get stuff like this.... and a lot of the time dates are missed and the odd time a lens listed on one of these things never comes. Yes, I thought the f/11 lenses were a typo, this came a year before they hit the market.
I heard of the push-and-pull design suck in dust, but I have no experience with that one...
Yes, filters helped with dust on the 17-55, but as rentals.. they add cost and are way more hassle than they're worth.
If it has "Canon" and "IS"* on it, the Sigma won't matter. The Sigma is worth what it costs, but it's not punching above its weight.
Having 18mm at the wide end is a big negative against 15mm (as suggested)
Extending the range of wide angle zoom lenses come with compromises. FF shooters are fine with 24-70 and they buy them in droves. Canon extended a lens to 105 which lines up with your suggestion and it costs a grand more, sometimes twice as much during certain times of the year... And that's to maintain optical performance through the range. It's also enormous.
So instead of extending what is essentially a meaningless 20mm, it'd be far better to put the cost into sealing the lens and keeping it small and lightweight with great optical performance. How much is someone willing to pay for a non-L RF-S lens? Pick the right compromises.
Could be.
I don't believe they're just going to make every lens a Z to cover photographers as well. I'm pretty sure we're going to see a video focused APS-C camera, it may mate well with that.
Who knows... The "Z" isn't really being utilized in large numbers yet with the only current lens and Canon's crappy zoom motors.
Yes
It‘s named
Sigma 18-50/2.8 DC DN