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Keywords: Canon EF-S Wide Mid Tele Zoom APS-C IS Stabilized STM tested


Registered: September 2013
Posts: 1
Canon EF-S 18-135mm f/3.5-5.6 IS STM review by lensdop
Review Date: 9/18/2013 Would you recommend the product? Yes | Total Spent: $400.00| Rating: 10 

Pros: light, silent, good focal range, new technic (STM), sharpness, image quality
Cons: distortion at 18mm (although easily corrected in LR or something), not for FullFrame

In a few months this became my favorite Canon APS-C Lens.
It covers all the focal lengths I need, and it zooms and focuses realy good and silent.
I use it on a Canon 600d/t3i.
I have used an Canon 18-135 (previous model), Canon 28mm2.8, tamron 17-50 (no IS),
canon 18-55 III, canon 18-55II(IS) and a Tokina 35mm2.8.
But the 18-135 STM never leaves my camera, I never need to take it off my camera.
Construction, focusing, sharpness and image quality is way better than the previous 18-135.

In fact it is a whole new constucted lens. Differently build with the STM focus motor.
A huge improvement from the older 18-135mm EF-S IS is that the zoom range from 24mm to 18mm has
been spread-out on the zoom ring, so it's much easier to set precise wide-angle framing.
On the previous lens, it was very cramped at the wide end.

With manual-focus override and smooth zooming, it handles better than most Canon lenses.
I also like the canon colors it produces. For my taste better than the 17-50 from tamron.

Registered: May 2013
Posts: 1
Canon EF-S 18-135mm f/3.5-5.6 IS STM review by the1willy
Review Date: 5/9/2013 Would you recommend the product? Yes | Total Spent: None indicated| Rating: 9 

Pros: Great focal length, well built, sharp, light
Cons: Strong CA at wide focal lengths, FTM focusing has very slight lag

Although I had looked at this lens various times, I decided to put my money into a new camera instead, and low and behold, I found a special offer on the 650D/t4i plus the 18-135 STM with a very heavy discount, so ended up getting it anyways.

I was extremely impressed by the sharpness, and find it at least as sharp if not sharper than my 'famous' tamron 17-50 (about the same as the 18-55 IS II), and pretty close to the 50mm 1.8 in equivalent f stops. Corners tend to be a bit soft at wide angle, but the centre remains sharp all the way through the focal range.

Perhaps the week point of the lens is barrel distortion which can be quite noticable at 18mm, also CA is pretty evident at the edges in wider shots. Great news is that both can be corrected, and the t4i corrects most of the CA in camera.

I found the AF with the new STM excellent, generally spot on (much more so than the lenses mentioned above), fast, and absolutely silent. It also has FTM focus also, but it works slightly differently to the 'standard' as it is electrical and you need to half press the shutter button first. There is also a very slight delay between rotating and the focus changing, but this is very slight and hardly noticable.

I found the IS to be very effective too, giving three to four stops of assitance.

I also find the bokeh very pleasing, and it makes a pretty handy portrait lens when shooting at longer focal lengths.

Build quality:
Solid, with a great zoom ring which is comfortable and easy to use. I used to think the tamron 17-50 was pretty solidly built, but this feels more so.

Since getting it I've hardly taken it off the camera, almost making me feel guilty about buying the other 5 lenses I have gathering dust right now. This lens plus a fast prime should more or less cover most general needs on those days/trips where you want to take just a couple of lenes. And as a walkaround holiday lens, this is a really useful tool to have.

Registered: September 2012
Posts: 1
Canon EF-S 18-135mm f/3.5-5.6 IS STM review by johnheiam
Review Date: 9/1/2012 Would you recommend the product? Yes | Total Spent: $579.00| Rating: 8 

Pros: Decent build quality, sharp images, light weight
Cons: a little slow to focus even in bright light

Compared to the Canon 28 - 135mm IS USM lens it is sharper in the center, and less sharp in the corners for all focal lengths. In general I prefer it to the 28 - 135mm IS USM lens.


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