Canon officially launches the RF 28-70mm f/2.8 IS STM

When comparing prices could we please either compare the retail price listed by Canon or compare discounted prices for both lenses? Of course, as of now there aren't any discounts on the RF 28-70mm F2.8 yet. But I imagine it will get a lot of discounts over time just as every other non-L RF lens has. It really sounds like wishful thinking to compare a RF 24-70mm F2.8 grey market and a newly released lens. It is only a very short period of time, in which the "only 650 € more" does apply. And it only applies IF you had preordered the RF 28-70mm F2.8 asap. It'll take six months to be in stock everywhere and by then the spring cash back/ discount will be applied.
 
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His full reviews provide real-world samples of center and corner sharpness, look at lateral and longitudinal CA, coma, and other aspects of image quality that are not apparent from ISO 12233 charts.
I usually just look at real-world examples, so I kind of agree with you. The charts are just a minor help/ stat to keep in mind which setting to use to get the sharpest results possible. Looking at the test charts, I don´t think they are too bad for the RF 28-70mm F2.8.

When I bought the RF 16mm F2.8 I hesitated for a bit because the reports about which included MFT´s and charts or whatsoever... my real world experience is that it a fabulous lens that produces outstanding images. The only really let down so far were pictures when there are a lot of trees with daylight in the background. There is some purple fringing between the branches noticeable. Other than that, absolutely great.
 
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A full review is now up at TDP
IMO as a lowly spectator, the weak performance at 28 mm seems to be glossed over to some extent.
In his summary, Bryan compares the image quality of the 28-70 to the 24-105/4-7.1 STM kit lens. They are comparable. I found this to be instructive and an eye-opener.
 
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A full review is now up at TDP
IMO as a lowly spectator, the weak performance at 28 mm seems to be glossed over to some extent.
In his summary, Bryan compares the image quality of the 28-70 to the 24-105/4-7.1 STM kit lens. They are comparable. I found this to be instructive and an eye-opener.
I now have the RF 28-70 f/2.8 STM and am pleased with its performance. Bryan first compared its image quality to the L version (well, the 24-70 f/2.8). It appears to compare favorably. And while he says the MTF charts show this new lens and the L lens to be “remarkably close” in image quality, he goes on to say that the two “perform closer than the test charts show” and may suggest that the STM is a bit better at the long end. Overall, he says the RF 28-70 f2.8 STM “produces excellent image quality”. Yes, he also takes a minute to compare it to the kit lens, as you say, but I’d hardly find that instructive given the above comparison and comments. I also have that 24-105 kit lens. It compares favorably to the L f/4 version so, other than the obvious limitations imposed by its slow variable aperture, that’s also quite a nice lens.
 
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I got the RF 28-70mm f/2.8 IS STM as soon as it was available at the beginning of October 2024. Canon was back-ordered, so I got it from B&H PhotoVideo in New York.

It's $1,099, 3.6" long, and weighs 1.1 pounds. It's a physical twin of the RF 85mm f/2 Macro IS - same size and weight. Only obvious difference in appearance is that - because it has a wide-angle end to its zoom - it uses a shallow tulip-style lens hood instead of the deep circular lens hood used by the 85mm.

I resold my EF 24-70mm f/2.8L II USM to KEH (with the Control Ring EF to R adapter I used with it) for $1,086 - net cost of the upgrade was thus $13 plus $10 for a JJC lens hood.

For that $23 upgrade cost I got a lens that weighs around half as much as the EF 24-70mm f/2.8L II with adapter, is 2/3 the length, and adds IS.

Canon says it has L-quality optics and is weather-sealed. So why isn't it an L lens?

In addition to being half the weight, it's also also less than half the price of the RF 24-70mm f/2.8L IS.

So I'm calling it my "No eL" lens. Merry Christmas!
 
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I'll definitely not spend 1300 euros on a lens with such disappointing sharpness at 28mm. The EF 24-70 f/4 L I bought new for 550 euros is optically in a higher category and starts at 24 mm. OK, it's only an f/4.
But fully usable at its widest setting.
I only hope Brian got a lemon...
Canon, you can do better! :(
Did you compare both lenses at f4? Maybe I am mistaken but it seem the stm lens is better? Also wide open it’s better than the RF 24-70 2.8?
 
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Did you compare both lenses at f4? Maybe I am mistaken but it seem the stm lens is better? Also wide open it’s better than the RF 24-70 2.8?
Yes I did.
But the RF still doesn't convince me. I expected much more from a new focal-limited design. It should be easier to make a 28-70 better than an antique 24-70.
So, I'll keep waiting for an f/2 variant of the 24-70. If it never comes: I'll just keep using primes.
PS: did you see on TDP the RF's corners at 28mm? Mushy! I won't spend 1300 euros on that. Okayish for street, not for landscapes.
But I will as soon as possible test it myself, since I believe it's wise not to base one's decisions exclusively on reviews. Maybe I could even be positively surprised? :)
 
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When comparing prices could we please either compare the retail price listed by Canon or compare discounted prices for both lenses? Of course, as of now there aren't any discounts on the RF 28-70mm F2.8 yet. But I imagine it will get a lot of discounts over time just as every other non-L RF lens has. It really sounds like wishful thinking to compare a RF 24-70mm F2.8 grey market and a newly released lens. It is only a very short period of time, in which the "only 650 € more" does apply. And it only applies IF you had preordered the RF 28-70mm F2.8 asap. It'll take six months to be in stock everywhere and by then the spring cash back/ discount will be applied.
I got my EF 24-70mm f/2.8L II USM new at B&H a year ago to use at choral concerts my wife participates in, after an evening of swapping primes every few minutes, which got old very fast.

So when this new lens came out I was considering the RF 24-105mm f/4L, but I need the light-gathering ability of a fast lens. (I had just bought the R6 Mark II to avoid the R7's noise above ISO 500.)

The standout feature was halving the weight. I wasn't going to wait the six months needed to get the Loyalty Program discount at Canon, but bought it from B&H for the same price with free FedEx shipping. My one-year-old EF 24-70 with its EF to R adapter sold to KEH for $13 less than I paid B&H for the RF 28-70 f/2.8 IS STM.

So for $13 plus $10 for a JJC lens hood I got a lens with comparable image quality that weighs half as much, is 2/3 the length, and adds image stabilization. If I want to go wider for a landscape shot I have the RF 16mm f/2.8.

Since I also have the RF 85mm f/2 Macro IS STM I'll put that on my R7 (I took all the pictures in the butterfly gallery in my photo website linked in my signature with that pairing), for an effective 136mm f/2 lens - letting me keep the R7 below ISO 500 while runnng the R6 Mark II at ISO 1000 with this new lens. (Yes, I know that the 85 on the R7 has a depth of field comparable to f/3.2, but for my purposes, that's a plus, not a minus.)

By the way, these two lenses are physical twins - same size and weight. The only obvious difference in appearance is in their lens hoods: deep cylindrical hood on the 85, shallow tulip-style hood on the 28-70 since its angle of view can get three times as wide than the 85.

They want to withhold the "L" designation from it - even though they say it has L-quality optics and weather sealing - because it has an STM focusing motor - and it's inexpensive? Fine. I call it my "No eL" lens and say "Merry Christmas!"
 
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[…]

They want to withhold the "L" designation - even though they say it has L quality optics and weather sealing - because it has an STM focusing motor - an, most importantly it's inexpensive? Fine. I call it a "No eL" lens and say "Merry Christmas!"
The RF10-20L has an STM motor, so that isn’t a reason to withhold a red ring anymore.
 
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Agreed! Even 1.000 $ doesn't really count as "affordable". For me, "affordable" ends in the price range and the price tag of the 35mm F1.8 and 85mm F2
I agree, when I bought my EF 85mm f1.2 II L new, back in the day, I paid a little over £1000 UKP over the counter for it. I felt that was excessive and exotic.
A little over a year later came a recession and Canon reduced availability and bumped the price to £1800. My used lens was now worth more than I paid for it on the used market.
Although these days it’s worth less than £800 UKP, that’s not bad for over 20 years of fairly heavy use.
I’m not sure the new RF lenses will hold their value, or even aspirate in the same way over the long term.
Here in the uk, the SH value of many RF lenses is roughly the same as the grey market new price. So who knows.
 
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