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rombe3jr · Jun 21, 2026

Can a "world's first" lens include one that is already in existence on another mount but not RF yet?

Exploreshootshare · Jun 21, 2026

Bob Howland said:
I think the 20-50 is an extremely important lens or, more exactly, an extremely important architecture. It's the first interchangeable lens in a neat package whose focal length is designed to be controlled by the camera body. Previously Canon used a kludgy add-on to do that task. For photographers, this doesn't mean much. For video, this could kill camcorders. Furthermore, it's an L and comparatively cheap.

It'll be interesting to see what happens. I thought camcorders just had kind of a revival. Maybe Canon wants to profit from it instead of killing them of.

Bob Howland said:
Regarding overlapping focal lengths, consider the 14/15-35 & 24-70/105, 24-105 & 70-200 and 70-200 & 100-400/500. Canon does this all the time, unlike Sigma that tends to have little or no overlap.

For the original F2.8 L trinity you're kind of right. There is an overlap between the UWA zoom and the standard zoom, but not for the telezoom. The 24-105mm wasn't really part of trinity, it was more of a "one-lens" set-up kind of thing instead of two lenses. For the EF mount there was and still is the EF 24-70mm F4 L. A lens which was never "brought over" (is that a correct term/ phrase?) to the RF mount. The f4 trinity also only had an overlap with the UWA and standard zoom.

Interestingly, the new f2.8 STM trinity doesn't have an overlap between the UWA zoom (16-28mm) and standard zoom (28-70mm) and believe it won´t have an overlap with the telezoom. Concerning the f2 zooms, they are harder to design and every focal length saved will save significantly more weight. Therefore, I hope (and actually believe) a F2 trinity won't have any overlap.

Of course, Sony went a different way and according to an article it was a design choice because research showed that there are more people willing to buy a 50-150mm F2 rather than two f2 zooms. This could happen to Canon too, but they usually do things differently anyway. Also, I believe they want to differentiate from Sonys offering. Beating that lens is pretty hard, but coming up with a different lens that can be market as "worlds first" is a pretty good answer. Therefore, I am hoping for a world´s first 70-180mm F2.

neuroanatomist · Jun 21, 2026

Eloniel said:
A 70-200 f2.0 compatible with teleconverter would be a threat to the 100-300 F2.8 so I assume the it will not be compatible with teleconverter.

So Canon shouldn’t make a 70-200mm f/2 because with a 1.4x TC that’s a 98-280mm f/2.8 and that’s ’a threat’ to the 100-300mm f/2.8.

Shhhhh. Don’t tell Canon that a 400mm f/2.8 with a 1.4x TC is a 560mm f/4. If they ever figure that out, they’ll understand the threat that poses to a 600mm f/4, and they’ll never make such a lens.

Or maybe that ‘threat’ is why, while Canon made 7 versions of a 400/2.8, they’ve only made 5 versions of a 600/4.

scyrene said:
This is what I always wonder. "Compete" means one thing to forum dwellers and I think something rather different to the companies involved.

Forum dwellers thinking they understand the camera market better than manufacturers is a never-ending source of amusement.

obl918 · Jun 21, 2026

scyrene said:
Warranty length depends on your location doesn't it? I think in some countries you would still be covered.

Definitely not for me, I already checked.

One year in US.

ctk · Jun 21, 2026

People really think camera gear development is like a tennis match. Even the most GAS afflicted spec sheet chaser is not switching back and forth between systems on every new update. Those folks just deep fry their credit cards and buy everything that comes out.

I went from Nikon to Sony to Canon and now am back with Sony. As much as I admire and envy some of the strides Canon RF has made since I bailed, I really have no appetite or reason to switch again. I feel like Canon, Sony and to a lesser degree Nikon and Panasonic FF MILC systems have more than enough for the vast majority of enthusiasts.

scyrene · Jun 21, 2026

Warranty length depends on your location doesn't it? I think in some countries you would still be covered.

scyrene · Jun 21, 2026

neuroanatomist said:
Also, what makes you think Canon's goal is to compete against any particular Sony product?

This is what I always wonder. "Compete" means one thing to forum dwellers and I think something rather different to the companies involved.

ctk · Jun 21, 2026

blackcoffee17 said:
You would be surprised how many people are buying the R100 because the R50 is too expensive for them.

Those people prob arent buying any extra lenses.

I just dont see the point in making the 50 1.8 unnecessarily bad. Canon is capable of making it better, and given how popular it is, they should.

obl918 · Jun 21, 2026

Here are three raw images. The first is a lens-capped calibration dark I took 17 months ago. The sensor was cooler because it was an outdoor winter shoot.

Jan 2025 baseline — 2.5s, ISO 12800, 15°C — clean, no spot: https://filedump.vexelfire.com/-x7qKSw77EJ/088A6821_clean.CR3
Body cap, 15s, ISO 1600, 31°C — spot at its largest: https://filedump.vexelfire.com/-AMpQC97mhD/088A6018_clean.CR3
Body cap, 2s, ISO 1600, 27°C — spot visible even at 2s: https://filedump.vexelfire.com/-SjCRqQVKM2/088A6019_clean.CR3

spartan · Jun 21, 2026

el peso said:
Znie to zaujímavo, ale demo fotky I agree... unfortunately sample pics from Nikon version are far better? why? micro contrast 3 pop

scyrene · Jun 21, 2026

Chig said:
Damn, I better sell off my RF 135mm f/1.8 L IS USM and my EF 200mm f/1.8 L USM then , can't understand why they're among my favourite lenses

I'll take them off your hands...

Bob Howland · Jun 21, 2026

Exploreshootshare said:
He meant my weird aversion to half- and third stops aperture in the name of the lens.

A 70-200mm F1.4 or F2 will never happen, but maybe a 70-180mm or something similar. Who knows.

I don´t believe Canon will make another PZ lens with an overlap to the RF 20-50mm, but I could imagine a PZ lens starting at 50mm to couple it with the existing lens. It is basically a question if there is a need for it. Since I don't shoot video at all/ that much, I can't really answer that question nor do I have an opinion about it.

I think the 20-50 is an extremely important lens or, more exactly, an extremely important architecture. It's the first interchangeable lens in a neat package whose focal length is designed to be controlled by the camera body. Previously Canon used a kludgy add-on to do that task. For photographers, this doesn't mean much. For video, this could kill camcorders. Furthermore, it's an L and comparatively cheap.

Regarding overlapping focal lengths, consider the 14/15-35 & 24-70/105, 24-105 & 70-200 and 70-200 & 100-400/500. Canon does this all the time, unlike Sigma that tends to have little or no overlap.

neuroanatomist · Jun 21, 2026

Eloniel said:
Canon will want it's own f2.0 trinity, at this point it's even a question of reputation against Sony that is building it's own.

Yes, I see. Canon must hurry up and match Sony’s f/2 lenses. Their reputation is on the line. I mean, it took Sony what…6 years to come out with a 28-70/2 after Canon launched theirs. But Canon must catch up, or else. Mmmmmmkay.

Chig · Jun 21, 2026

GMCPhotographics said:
The problem Canon had with the rf 135mm, is that the ef version was / is so strong. Sure the new lens is sharper, gains 1/3 stop in brightness and an image stabiliser. However, it’s larger and heavier. Plus is very expensive, you really have to want one to justify the rf version over the ef version. The EF version puts out really great images that are very similar to the rf version. For a lot of users who already have the ef version, there’s not a particularly strong enough reason to upgrade.

I had the EF 135mm f/2 and my RF 135mm f/1.8 is superior in nearly every way: image quality, AF speed, optical IS, ergonomics, build quality, weather sealing, shorter MFD, 1/3 stop faster (37% more light), better bokeh.
Weight is heavier but if you're using the EF-RF adapter(110gm) the difference is only 75gm.
The old lens is still a great lens and good value but depends if you want (and can afford) the best

Eloniel · Jun 21, 2026

Chig said:
Well Sony's 50-150mm f/2 has an entrance pupil of only 75mm versus a 70-200mm f/2 would have one 100mm across and a 70-200mm f/1.8 would be 111mm across which means much bigger front elements and much more cost but perhaps you know some way to defy physics and economics so that Canon can magically sell it for a lower price?

You misunderstood my point, Canon will want to compete against the Sony 50-150mm f2.0 and it's much more likely for the lens to stop at 150-180mm but to avoid competing against the 100-300mm f2.8 I suspect it will NOT accept extender.

They can't sell a 70-180mm f2.0 for the double of the Sony 50-150 to avoid stepping on the toe of the 100-300. They don't have a lot of margin to build a lens cohesive with their own ecosystem while be competitive against Sony.

So the more likely is a 70-150/180mm f2.0 that don't accept extenders for around 4000€

Chig · Jun 21, 2026

Eloniel said:
I can't see this happening if they want to compete against the 50-150 f2.0 from Sony which is way less expensive.

Well Sony's 50-150mm f/2 has an entrance pupil of only 75mm versus a 70-200mm f/2 would have one 100mm across and a 70-200mm f/1.8 would be 111mm across which means much bigger front elements and much more cost but perhaps you know some way to defy physics and economics so that Canon can magically sell it for a lower price?

Chig · Jun 21, 2026

Exploreshootshare said:
I really don´t like the F1.8 as a max aperture. I always associate it with entry-level primes or zooms. In addition, I am a fan of apertures with full stops such as a f2-2.8 zoom. Worst in this regard is the RF 100-500mm with its 4.5-7.1. I´d really prefer a 4-5.6 or even F4-8

So, either make it 70-200mm F2 or a F1.4 please

Yeah, I am weird sometimes

Damn, I better sell off my RF 135mm f/1.8 L IS USM and my EF 200mm f/1.8 L USM then

, can't understand why they're among my favourite lenses

Exploreshootshare · Jun 21, 2026

Bob Howland said:
He did say 70-200 f/1.4 (or f/2)

He meant my weird aversion to half- and third stops aperture in the name of the lens.

A 70-200mm F1.4 or F2 will never happen, but maybe a 70-180mm or something similar. Who knows.

Bob Howland said:
The front element would have to be the same size as a 400 f/2.8. I want a longer sibling to the 20-50 f/4 L IS Z, with the same design philosophy and at the same price, perhaps 35-85 f/2.8 L IS Z or 60-150 f/2.8 L IS Z.

I don´t believe Canon will make another PZ lens with an overlap to the RF 20-50mm, but I could imagine a PZ lens starting at 50mm to couple it with the existing lens. It is basically a question if there is a need for it. Since I don't shoot video at all/ that much, I can't really answer that question nor do I have an opinion about it.

Exploreshootshare · Jun 21, 2026

scyrene said:
What about the 200mm f/1.8L?

Well, the successor had a well-rounded and aperture of F2

No, you're right. The 200mm F1.8L was an absolute beast of a lens and not a typical f1.8 prime.

btw: I even prefer EF 35mm F2 and RF 85mm F2 over their f1.8 siblings

obl918 · Jun 21, 2026

I've had my R1 since December of 2024. It gets very little use -- I just dabble. When I first got it I did some basic astrophotography with great results.

Tonight I decided to do some more -- and to my dismay, noticed that I now have extreme hot pixels in a cluster that were not visible before. I can actually see a white splotch in live view at just 2" and 1600 ISO.

The cluster is so bad that stacking with darks does not remove it.

Claude tells me this is 727 pixels pegged at the sensor's max in that one spot.

I'm attaching a hard-stretch so you can see what I mean.

I'm guessing I am entirely on the hook for this as an out of warranty repair. Anyone have any insight, suggestions, or condolences?

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