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next PZ lens test report: Canon EF-S 18-135mm f/3.5-5.6 USM IS


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#1 Klaus

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Posted 10 December 2016 - 09:36 AM

Not too shabby but not great either on the 7D II ...

 

http://www.photozone...n_18135_3556usm


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#2 Rainer

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Posted 10 December 2016 - 09:27 PM

Hi Klaus,

 

I believe, you're on the wrong track here:

 

Cite: "The Canon EF-S 18-135mm f/3.5-5.6 USM IS is the third incarnation by Canon in this lens class. It's not exactly easy to distinguish between the different generations because Canon didn't bother to add the usual mk (I,II,III) to the name."

 

Canon does never add a "I" ... it does add a "II", "III", "IV" and so on.

However, Canon only does this, if all the rest remains the same ...

but that is not the case here.

 

One of the fellows has a micromotor ... one has STM ... one has USM ...

and all of these are the (invisible) version "I" of their respective kind.

Hence, Canon did not add anything to the name.

 

This has been entirely the same in analog times with the EF 28-80/3.5-5.6

also with the 28-90 and the 28-105 ... so there is really nothing

one can complain about with the naming scheme of the 18-135


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#3 Rover

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Posted 10 December 2016 - 10:31 PM

Well, nobody expected the Spanish Inquisition...

The STM version is pretty decent -- I have that one. You laid to rest my (fledgling) interest in the USM version by stating that optically they're the same.

And yes, Rainer is correct: these versions are distinguished by the type of the motor. Aren't all of them "current" at the same time because of this? (I'm not sure about the very first, "vanilla" / AFD one).



#4 Klaus

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Posted 11 December 2016 - 01:08 AM

... so there is really nothing

one can complain about with the naming scheme of the 18-135

 

.... except that you are absolutely clueless about the age of the design ...


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#5 toni-a

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Posted 11 December 2016 - 05:29 AM

It's a very popular lens.
I tried it and found it was very decent with some limitations clearly outlined in this review.
I think the naming is better than with numbers since it helps us now the differences, at the same time the optical formula is the same.
Canon listened to their customers and updated the lens build quality.
I was between this one and 15-85 as an all-around lens.
Finally I went for the 15-85 mainly for build quality and USM, if this version was available most likely I would have gone the other way.

#6 Brightcolours

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Posted 11 December 2016 - 09:07 AM

.... except that you are absolutely clueless about the age of the design ...

The STM version has different optics than the 1st 18-135mm, so the design is not that old. A number would not change the "clue" either, rather it would imply different optics, so not really getting your point...






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