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Tamron 35-150 2.8-4 ef lens adapted to R cameras experiences?

  
 
an_also
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p.1 #1 · Tamron 35-150 2.8-4 ef lens adapted to R cameras experiences?


I didn’t even know this lens existed till today when I stumbled upon it online. There isn’t much out there in-terms of user reviews on R bodies.

Anyone here have or had this lens before? It’s a pretty appealing focal length. How is the AF speed?

I would use it on my second body (EOS R) out in the field for environmental wildlife shots along with a main telephoto setup (1dx3 + 400DOII)

Any insights appreciated
Thanks!



Jan 28, 2026 at 10:01 PM
EB-1
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p.1 #2 · Tamron 35-150 2.8-4 ef lens adapted to R cameras experiences?


Take a look at a couple of tests/reviews.
https://www.cameralabs.com/tamron-35-150mm-f2-2-8-di-iii-review/
https://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=1434
The weak edges and corners are not what I would be looking at for your purposes, but may be adequate.

EBH




Jan 28, 2026 at 10:22 PM
an_also
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p.1 #3 · Tamron 35-150 2.8-4 ef lens adapted to R cameras experiences?




EB-1 wrote:
Take a look at a couple of tests/reviews.
https://www.cameralabs.com/tamron-35-150mm-f2-2-8-di-iii-review/
https://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=1434
The weak edges and corners are not what I would be looking at for your purposes, but may be adequate.

EBH


Thanks. The cameralabs link you shared is for a different newer Tamron Sony mount lens with a faster aperture.

But appreciate the second link with the image quality.



Jan 28, 2026 at 10:33 PM
J.K.T.
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p.1 #4 · Tamron 35-150 2.8-4 ef lens adapted to R cameras experiences?


I think mine is better than that test. At 35mm the corners are not that good, but with wide angle they are usually not that important either. I haven't noticed problems at tele end.

The focus is relatively slow and the rotating focus ring is a pain, but other than that it has worked for walk-around.



Jan 29, 2026 at 02:21 AM
an_also
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p.1 #5 · Tamron 35-150 2.8-4 ef lens adapted to R cameras experiences?




J.K.T. wrote:
I think mine is better than that test. At 35mm the corners are not that good, but with wide angle they are usually not that important either. I haven't noticed problems at tele end.

The focus is relatively slow and the rotating focus ring is a pain, but other than that it has worked for walk-around.

Hmm interesting. Disappointed to hear about the slow AF. Would you say it’s too slow for wildlife use?



Jan 30, 2026 at 08:36 AM
jakemachina
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p.1 #6 · Tamron 35-150 2.8-4 ef lens adapted to R cameras experiences?


For a "useful lens on a second body" how about the RF 24-240. It's not the brightest lens but it's sharp, focuses fast, and gets you wide to medium telephoto covered all in one.


Jan 30, 2026 at 11:06 AM
 


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dcisive
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p.1 #7 · Tamron 35-150 2.8-4 ef lens adapted to R cameras experiences?


I would agree for any outdoor work, the 24-240 shoots FAR above its weight. I had one with an original R5 a ways back and man did it turn out some fine sharp rich images. I was rather shocked it was capable of such performance frankly. Only at 24mp does it require some good post processing at the edges. Otherwise, it was astoundingly good and very convenient for walk around situations where you don't want to be changing lenses.


Jan 31, 2026 at 03:39 PM
an_also
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p.1 #8 · Tamron 35-150 2.8-4 ef lens adapted to R cameras experiences?


Thanks. Yeah that’s a lens I have on my radar for sure. The only hesitation is the smaller aperture. But it looks like a great lens for anything other that low light shooting.

jakemachina wrote:
For a "useful lens on a second body" how about the RF 24-240. It's not the brightest lens but it's sharp, focuses fast, and gets you wide to medium telephoto covered all in one.




Feb 03, 2026 at 10:21 PM
SkippyW
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p.1 #9 · Tamron 35-150 2.8-4 ef lens adapted to R cameras experiences?


I have Tamron's 70-210 f4 Di VC (there's one for sale on Marketplace now).
I bought it new, updated the firmware and it really impressed me (using Canon's EF-RF adapter).
Tracks/focuses very well, internal zoom and mine came new with a 6 year warranty.

You can go to Tamron's website and check the compatibility for your camera.
It's showing as compatible:
https://www.tamron.com/global/consumer/support/checker/

I'm quite pleased with mine. I bought it thinking if I didn't like it, I'd return it. After day-1, I knew it was staying.



Feb 05, 2026 at 10:16 AM
CyberDyne
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p.1 #10 · Tamron 35-150 2.8-4 ef lens adapted to R cameras experiences?


A little late, just found this thread by accident Googling something else, but,

I love this lens! I shot it on my 5D4, 1DX III and then the R5 with adapter, so both adapted and native EF.

It's become my favorite dark theatre performance lens. I used to use the classic f/2.8 zooms, but that meant two bodies, 24-70mm and 70-200mm. When doing that I found I was 80% or more shooting with the 70-200mm, but really wished it would just go wider when I needed it.

this range is perfect for photographing performances. 35mm is wide enough to get as much of the environment as I'd need, other than a wide full stage shot, and I don't need 200mm either, 150 does the job perfectly. Finally being able to just shoot one body has been fantastic after over a decade using two bodies.

It's been fine on the R5 (and earlier I briefly had it on the EOS R) I do not find any issue with image quality, it is right up there with my f/2.8 zooms.

AF is slower, this not Tamron's top tier focus motor tech. But I've not found it to be a hindrance for where I am using it. It sounds to me like it would work for your intended purposes too. I am a birder, and do like FAST AF, but I'm not chasing BIF with this lens. It's AF on both the EF DSLRs and RF bodies has been spot on accurate!

I'm sad that the newer faster version (both aperture and the top tier AF motor) is not available in a Canon mount. I'd be happy with EF converted. But I can live with f/4 one an R/5.

Highly recommended.



Apr 21, 2026 at 09:16 PM
CyberDyne
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p.1 #11 · Tamron 35-150 2.8-4 ef lens adapted to R cameras experiences?


This performance was shot with the 1DX III and Tammy 35-150mm

https://www.facebook.com/media/set/?set=a.10214950296726735&type=3



Apr 21, 2026 at 09:25 PM







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