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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 06 Mar 2018 (Tuesday) 10:19
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Canon 18-135mm STM or USM.

 
MrWasabi
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Mar 06, 2018 10:19 |  #1

I'm considering picking up this lens and am looking for opinions on which I should target? It looks like I can get them both for clse to the same price, maybe the USM a little more. I'll be using it with a Canon SL1 taking mostly nature/wildlife pics.

Thanks for any input


Canon EOS 100D / EOS Rebel SL1 | Canon EF-S 10-18mm f/4.5-5.6 IS STM EF-S 55-250mm f/4-5.6 IS STM EF-S 24mm f/2.8 STM EF-S 18-55mm f/3.5-5.6 IS STM EF-S 18-135mm f/3.5-5.6 IS STM

  
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Kasrielle
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Mar 06, 2018 11:39 |  #2

I have the 18-135 USM (nano) that came with my 77D - it's very sharp, and the AF is super fast. If they cost is similar, take into consideration that the USM is newer. I've read that it's better for video than the STM, but I don't use video, so I can't offer an opinion there...



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MrWasabi
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Mar 06, 2018 12:24 |  #3

Thanks for the reply,

About the only negative I've read, if it is one, about the USM version is that if I ever want to use a Kenko Teleconverter, I may have some compatibility issues? I don't think I'll be using one so I'm in for a USM over the STM if the price isn't too far off on whatever deal I find.


Canon EOS 100D / EOS Rebel SL1 | Canon EF-S 10-18mm f/4.5-5.6 IS STM EF-S 55-250mm f/4-5.6 IS STM EF-S 24mm f/2.8 STM EF-S 18-55mm f/3.5-5.6 IS STM EF-S 18-135mm f/3.5-5.6 IS STM

  
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duckster
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Mar 06, 2018 19:02 as a reply to  @ MrWasabi's post |  #4

I have the STM version and really love it but I have read that the USM version does focus faster. I have the USM version of the 70-300 and it is darn near instant focus!




  
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puttick
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Post edited 3 months ago by puttick. (3 edits in all)
     
Mar 07, 2018 05:43 |  #5

Hi - I had 2 copies of the 18-135 STM, both used on a 100D/SL1. The first developed CA in the centre of the image field (?an IS issue?), and went back, the second was just fine and was my main travel lens for 2 years, in Europe and Vietnam/Cambodia. I gave it to my daughter and she uses it on her 1100d, including some nice wildlife images from safari in South Africa. Neither of these are high end cameras, but when I compare results to my 5D3 and L lenses, it holds up very well.

However I have now had the USM version for 2 years and while it is said to be optically identical, I do find it just a touch sharper, used on an 80D as my travel kit. It definitely does focus faster on this body, but I can't compare it on a 100D/SL1. The USM version is slightly heavier but looks and feels more robust, only time will tell, it's not weather sealed, but I look after gear carefully.

Either will serve you well as a general purpose walk around lens. Both are best in the middle of the zoom range, and not quite so good at 18mm or 135mm, these are best at f8 in my experience. Unlike many lenses, neither of mine have suffered from the dreaded "zoom creep", which is a bonus. You will be very happy with the image quality. Do buy a lens hood. On balance I would go for the USM version.

If you need wider, consider the 10-16 STM which is sharp, light, and inexpensive.
If you need longer, consider the 55-250 STM which is also sharp, light, and inexpensive!

Nigel


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MrWasabi
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Mar 07, 2018 06:37 |  #6

Thanks for the excellent replies everyone,

It sounds like if it isn't much cost difference, I should target the USM. Nigel, I already have the 55-250 STM, a 11-18 STM and 18-55 STM. I'm hoping the 18-135 gives me the option to have one carry lens on some days. Does anyone using the 18-135 with a SL1/2 find it makes the setup unbalanced and front heavy that much?


Canon EOS 100D / EOS Rebel SL1 | Canon EF-S 10-18mm f/4.5-5.6 IS STM EF-S 55-250mm f/4-5.6 IS STM EF-S 24mm f/2.8 STM EF-S 18-55mm f/3.5-5.6 IS STM EF-S 18-135mm f/3.5-5.6 IS STM

  
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Sibil
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Mar 07, 2018 06:50 |  #7

MrWasabi wrote in post #18579559 (external link)
Does anyone using the 18-135 with a SL1/2 find it makes the setup unbalanced and front heavy that much?

I have the SL1 and the 18-135 STM. For me, it is not a well balanced combo. Yes, it feels front-heavy.




  
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MrWasabi
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Mar 07, 2018 07:02 as a reply to  @ Sibil's post |  #8

Thanks Sibil,

Hmmm, maybe I should rethink this? I'm just trying to lighten up my bag and avoid some extra lens changes if I can.


Canon EOS 100D / EOS Rebel SL1 | Canon EF-S 10-18mm f/4.5-5.6 IS STM EF-S 55-250mm f/4-5.6 IS STM EF-S 24mm f/2.8 STM EF-S 18-55mm f/3.5-5.6 IS STM EF-S 18-135mm f/3.5-5.6 IS STM

  
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Sibil
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Mar 07, 2018 07:09 |  #9

MrWasabi wrote in post #18579567 (external link)
Thanks Sibil,

Hmmm, maybe I should rethink this? I'm just trying to lighten up my bag and avoid some extra lens changes if I can.

You are welcome. The balance is really not that big of a deal for the convenience you get for one lens solution. Although, I myself prefer to use my T3i and the 18-135, for one lens/body light travel combo.




  
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MrWasabi
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Mar 07, 2018 07:21 |  #10

Thanks again,

I think I'm going to give it a try. I can also save on filters and a hood in my bag as it's 67mm like my 10-18. My 73C hood should be fine if I ever need a hood. It's slightly shorter than the 73B but still 67mm. I'd roll with the 10-18/18-135 combo, maybe squeeze the 55-250 in there at times if needed.

If it doesn't work, selling the lens shouldn't be too hard.


Canon EOS 100D / EOS Rebel SL1 | Canon EF-S 10-18mm f/4.5-5.6 IS STM EF-S 55-250mm f/4-5.6 IS STM EF-S 24mm f/2.8 STM EF-S 18-55mm f/3.5-5.6 IS STM EF-S 18-135mm f/3.5-5.6 IS STM

  
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kmilo
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Mar 07, 2018 07:30 |  #11

I use the STM version to photograph my son's soccer games. The USM version might focus quicker, but I've never once thought the STM version was slow to focus. The USM version is certainly a nicer looking lens, though.

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Bassat
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Mar 07, 2018 08:36 |  #12

duckster wrote in post #18579283 (external link)
I have the STM version and really love it but I have read that the USM version does focus faster. I have the USM version of the 70-300 and it is darn near instant focus!

I sold my 70-200 f/4L IS USM in favor of the 18-135 USM, and the 70-300 II USM. I gave up nothing. The AF on the nano-USM lenses will knock your socks off. If you aim your camera at moving targets, get something faster than the STM-anything. None of them are fast focusers.


Tom

  
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MrWasabi
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Mar 07, 2018 08:45 |  #13

Is there an older pre STM USM version and a new post STM Nano USM version?


Canon EOS 100D / EOS Rebel SL1 | Canon EF-S 10-18mm f/4.5-5.6 IS STM EF-S 55-250mm f/4-5.6 IS STM EF-S 24mm f/2.8 STM EF-S 18-55mm f/3.5-5.6 IS STM EF-S 18-135mm f/3.5-5.6 IS STM

  
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kmilo
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Mar 07, 2018 08:45 |  #14

to be fair, you gave up f/4 from 77mm to 200mm

Bassat wrote in post #18579611 (external link)
I sold my 70-200 f/4L IS USM in favor of the 18-135 USM, and the 70-300 II USM. I gave up nothing. The AF on the nano-USM lenses will knock your socks off. If you aim your camera at moving targets, get something faster than the STM-anything. None of them are fast focusers.


Kris
Insulting critiques always welcomed. flickr (external link)

  
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Bassat
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Mar 07, 2018 08:52 |  #15

MrWasabi wrote in post #18579618 (external link)
Is there an older pre STM USM version and a new post STM Nano USM version?

18-135 comes in 3 flavors: IS, STM, USM.

kmilo wrote in post #18579619 (external link)
to be fair, you gave up f/4 from 77mm to 200mm

OK, I gave up white, too. I meant things that matter. One stop of aperture, when most of my shooting with these lenses is daylight/sunshine, is totally and completely irrelevant. If aperture mattered, I'd shoot primes. F/1.8, f/2, and f/2.8 are all faster than the f/4 zoom I sold to acquire the variable zooms. No, really, I gave up nothing.


Tom

  
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Canon 18-135mm STM or USM.
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