Canon's Tilt-Shift Evolution: What's Next?

I did it. I jumped off the fence and bought the last TS-E 24mm f3.5 ii from Canon. It's great! I'm having a lot of fun exploring what the lens can do. I'm shooting city and landscape in Brooklyn, New York and I'm having a blast capturing tall buildings without the Keystone effect. Shooting city and landscape with no concern for the hyperfocal distance or focus bracketing is a big plus. This is great! Should have bought this sooner. I just ordered the TS-E 17mm f4. I'm using it with a Canon R1 and R5M2. Because the camera body has IBIS, I'm using the tilt-shift lens handheld without many issues. I have to remember to check the shot carefully. A few times I didn't hold the camera level enough and the result was a tall, wide building that looked a little like a trapezoid. I'll use a tripod, for the times when I really need greater accuracy.
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The Best and Worst of 2025

I'm no scientist at all.
But wouldn't it be an easier way to get rid of all these geometric correction issues to "simply" design MF lenses and use them on FF (like TS lenses)?
Thus, they could make use of the best portion of a lens' projection circle. Could it be the recipe behind the RF 1,2 50 & 85 in order to also get sharp corners at f/1,2? :unsure:
OK, cost would significantly go up...
But, as I wrote, I'm no scientist., and still hoping for a 35mm f/1,2...
While I do enjoy my MF lenses a lot (HC mount), they are already big and heavy even if the primes are 2.8 or slower. MF primes faster than f/2 are quite rare and there are no 1.4, let alone 1.2 ones. Just saying that FF users’ expectations would need to be adjusted… 🤔
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The Best and Worst of 2025

Some other contenders for worst might be the Sony FX2, Sony RX1R III and the Fujifilm X half. All could have had a place in their respective market, but they were overpriced by a fair amount. At least percentage wise probably all in the 20% - 30% range. If you think about it, the FX2 would have done better around $2,000 USD instead of nearly $3k. The RX1R III closer to $3,500 vs $5,100. And the Fuji X half closer to $500 instead of $850 USD at launch. Then they might have hit their mark so to speak, but they have been panned consistently (or forgotten) since release.
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The Best and Worst of 2025

That Sony 50-150/2GM is a staggeringly good lens, and just 1340g. The 16-28/2GM is coming soon to complete the trio, hopefully it matches up to the other two f2GM zooms.

The Sigma 200/2 with it's hyper-fast AF, incredible image quality, and excellent stabilization is worth a mention. If only Sony didn't cripple 3rd party glass with that 15fps limit, or if Panasonic had AF that was able to track fast moving subjects. Or if Canon & Nikon weren't terrified of Sigma. This lens deserves better cameras to be mounted on.

Laowa's incredible T/S lenses are another highlight of the year. Superb performance at bargain (for T/S glass!) prices. Being MF only, they are available for RF, too.

The Sigma does come in L mount, so it is accessible to the excellent S1RII & S1II cameras.
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Real world RF 28-70 2.8 IS results?

I've seen drips and drabs of MTF, or bookshelf charts, the optical limits thing, the christopher frost thing, or the TDP thing -- sure. Decent resources.

But my 20 years of digital Canon large sensor experience (day 1 5D shooter here too) tells me charts don't tell the whole story, due to field curvature, etc.

So to those who have used this lens for distance @ infinity both wide open and stopped down, how does this lens resolve throughout its focal range?

From what I've seen and gathered (thus far), this lens doesn't shoot well on charts due to field curvature, but shoots very sharp edge to edge in real world distance scenarios but i've only seen a few focal lengths, more so at the wide end. And still, i don't know what processing was done, etc. All Flickr.

So to those picky pixel peepers here, how does this lens shoot real world?

I'm the type to go in at 1:1 edge to edge in LR, and examine each pixel when doing landscapes.

And I get it I get it, art doesn't require pixels, no ones looking at pixels, no ones looking in the corner, etc etc. I am, and I do. And it's how I like to shoot. =)
This is also what I usually criticise, pictures of charts aren't very useful when shooting "real life". They are certainly relevant for macro and repro lenses where flat field lenses are needed, but far less useful for most other subjects. Ok, architecture...
What also bothers me is that chart pictures are always taken at moderate distance settings.
To put it short: I too am far more interested in reviews by photographers than reviewers.
My favourite and often repeated quote from Leica's former optical head-developer: "Cameras aren't made for chart photography".
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Real world RF 28-70 2.8 IS results?

I've seen drips and drabs of MTF, or bookshelf charts, the optical limits thing, the christopher frost thing, or the TDP thing -- sure. Decent resources.

But my 20 years of digital Canon large sensor experience (day 1 5D shooter here too) tells me charts don't tell the whole story, due to field curvature, etc.

So to those who have used this lens for distance @ infinity both wide open and stopped down, how does this lens resolve throughout its focal range?

From what I've seen and gathered (thus far), this lens doesn't shoot well on charts due to field curvature, but shoots very sharp edge to edge in real world distance scenarios but i've only seen a few focal lengths, more so at the wide end. And still, i don't know what processing was done, etc. All Flickr.

So to those picky pixel peepers here, how does this lens shoot real world?

I'm the type to go in at 1:1 edge to edge in LR, and examine each pixel when doing landscapes.

And I get it I get it, art doesn't require pixels, no ones looking at pixels, no ones looking in the corner, etc etc. I am, and I do. And it's how I like to shoot. =)
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Merry Christmas and Happy Holidays

A Canon Christmas
Beneath the tree with lights aglow,
A gift awaits in ribboned bow.
Not toys, nor sweets, nor winter wear—
But lenses gleaming, beyond compare.
A Canon rests in silent grace,
Ready to capture each smiling face.
From frosty mornings to twinkling nights,
It frames the season in pure delights.
Snowflakes dance in crystal streams,
Preserved forever in holiday dreams.
Each shutter click, a carol sung,
A timeless story for old and young.
So raise your glass and cheer with glee,
For Canon keeps our memories free.
This Christmas joy, both near and far,
Lives in the magic of your DSLR.
Absolutely lovely :)
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Merry Christmas and Happy Holidays

A Canon Christmas
Beneath the tree with lights aglow,
A gift awaits in ribboned bow.
Not toys, nor sweets, nor winter wear—
But lenses gleaming, beyond compare.
A Canon rests in silent grace,
Ready to capture each smiling face.
From frosty mornings to twinkling nights,
It frames the season in pure delights.
Snowflakes dance in crystal streams,
Preserved forever in holiday dreams.
Each shutter click, a carol sung,
A timeless story for old and young.
So raise your glass and cheer with glee,
For Canon keeps our memories free.
This Christmas joy, both near and far,
Lives in the magic of your DSLR.
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The Best and Worst of 2025

I recall when I did testing, I had a difficult time seeing the diffraction correction effects. They were quite subtle. The aberration correction, especially at the time the Canon EF 85mm F1.8 USM, which had the worst PF known to the modern photography universe, would clean up amazingly well.

That was what impressed me the most - since PF was troublesome to correct in post.
Have you tried the Canon paid add-on of a neural network processing tool?
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