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Canon 18-135milimet STM EF-S IS (2012-today) © 2012 All rights reserved.

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Canon EF-S 18-135mm f/3.5-5.6 (works only on Canon"s small-format (1.6x) cameras, 67milimet filters, 16.4 oz./464g, 1.3"/0.39m cthảm bại focus, about $550 new, or about $400 used). enlarge. This không tính phí website"s biggest source of tư vấn is when you use these links, especially these link directly khổng lồ it at Adorama or at Amazon, or used at eBay, when you get anything, regardless of the country in which you live. Thank you! Ken.

October 2012 Canon review Canon Lenses All Reviews

Video Sample Files


Intro Specs PerformanceRecommendations

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The Canon 18-135mm STM is a great do-everything lens with effortlessly silent & extremely fast autofocusing

The older 18-135mm EF-S IS lens was the only lens I needed lớn shoot everything for two weeks in Maui in 2010. With this one lens on a Canon 1.6x camera, you"re done.

I never needed any other lens for anything, and this 18-135milimet is easy lớn pachồng, handle and shoot. You never need to take it off your camera. As experienced photographers know, if you can"t catch it with 135milimet on small format (equivalent to lớn just over 200milimet on full-frame), a longer lens won"t save sầu you: you need khổng lồ get closer! In other words, don"t worry about this lens "only" going khổng lồ 135milimet instead of 200mm. If 135milimet isn"t long enough, nothing will be.

This new STM lens is an inch shorter và adds a zoom lock and instant manual-focus override lớn the older 18-135milimet EF-S IS lens, however manual focus is electronic. The focus ring isn"t connected lớn anything, and there is a tiny time delay between when you move the ring and the lens moving. The tốc độ at which the lens moves isn"t directly related to how far or how fast you turn the ring, so it"s weird. It"s not as good as having a real manual focus ring like the 15-85milimet, 17-55mm or 17-85mm.

Another huge improvement from the older 18-135milimet EF-S IS is that the zoom range from 24mm lớn 18mm has been spread-out on the zoom ring, so it"s much easier lớn phối precise wide-angle framing. On the old lens, it was very cramped at the wide over.


As a Canon EF-S lens, this 18-135milimet f/3.5-5.6 STM works only with Canon"s mini-format (1.6x) digital SLRs.

It is useless for 35mm, full-frame & 1.3x cameras; it won"t even mount on them.

Specifications top

Intro Specs PerformanceRecommendations


Canon calls this the CANON ZOOM LENS EF-S 18-135milimet f/3.5-5.6 IS STM.

EF means "electronic focus," meaning that there is an autofocus motor in the lens itself. All Canon lenses since 1987 have sầu been EF.

-S means "small-format only," meaning that this lens only works on, và only attaches lớn, Canon"s small-format (1.6x) digital cameras. It does not work with, and will not attach to, any other Canon camera.

IS is Image Stabilization, meaning you can leave sầu the tripod at home page.

STM means Stepper (AF) Motor.


16 elements in 12 groups.

5 zoom groups.


Internal focus.

Front group moves during zoom.



Canon 18-135mm STM at 18mm and f/3.5. (EF diaphragm not visible).

7 rounded blades.

Round for the first couple of stops, heptagonal from there on.

Stops down to lớn f/22-36.

Cthua thảm Focustop

1.3 feet (0.39 m) from the image plane.

Hard Infinity Focus Stop? top


You have sầu lớn let the AF system dial you in.

Focus Scaletop


The manual focus ring turns continuously without mechanical stops.

Depth-of-Field Scaletop


Infra-Red Focus Indextop


Filter Threadtop



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Moves in và out with zoom, but never rotates.


Canon specifies 3.1" (76.6 mm) diameter by 3.8 " (96.0 mm) long.

The older 18-135mm was longer at 3.1" (77.7mm) diameter by 4.8 " (123.0mm) long.


16.380 oz. (464.35g), measured.

Canon specifies 16.9 oz. (480g).

The older 18-135 IS measures 15.940 oz. (451.9g).


Plastic bayonet EW-73B ($26), not included.

I wouldn"t bother getting one, they don"t vày much but vày get in your way.


$25 LP1116, not included.


Standard (not "ULTRASONIC") Canon 67mm ET-67 front cap.

Standard EOS cap rear.


07 June 2012, 12:09 AM, Thành Phố New York City time.


October 2012: $550 new, or about $400 used over eBay.

June 2012: Sold only as a kit with the Canon T4i, or about $400 used over eBay.


Canon 18-135 STM EF-S. enlarge.


Intro Specs PerformanceRecommendations

OverallAutofocus màu sắc Distortion Ergonomics

Eyeblow Falloff Filters Lateral Color Fringes

Maximum Aperture Mechanics

Sharpness Sunstars Video Sample Files

Overall performance top

The Canon 18-135mm f/3.5-5.6 STM is a handy lens for everything.

Its zoom range covers everything I might need.

Autofocus performance top

Autofocus is silent and super-fast. The lens" motor is completely silent, much quieter than the 40mm f/2.8 STM.

Auto/Manual Switching

Just grab the ring at any time in ONE SHOT for instant manual-focus override.

Only move the AF-MF switch khổng lồ MF lớn loông xã it inkhổng lồ manual focus.

AF Speed

AF is pretty much instantaneous at every focal length.

AF Accuracy and Consistency

I always got perfect autofocus on a Canon T4i.

Does focus hold while zoomed?

No; focus drifts as zoomed, so focus after zooming.

Manual Focus

Manual focus is electronic.

It only works if the camera is on & awake.

The focus ring is merely an input to a computer, which then moves the lens as it sees fit. Therefore, sadly there is a slight delay in response, and the actual tốc độ of the focus never quite matches what you"re trying to vày.

Video autofocus on the T4i

This lens on the T4i offers the best DSLR đoạn Clip autofocus I"ve sầu yet experienced, but it"s still not as good as a camcorder.

Video Sample Files performance top

Here"s a sample 25MB đoạn phim clip, made with the T4i at It looks very good, when it"s in focus.

Here"s another 19MB tệp tin of Ryan defying death with the same settings, và at these speeds, it still tracks just fine. It took a while for Ryan khổng lồ wait for me to get focus reasonably locked before I started to lớn roll, but once locked & rolling, it worked fine.

In all fairness, while other DSLRs are nearly useless for making đoạn phim with autofocus of things that move sầu (the whole point of video), the video and autofocus of the T4i with this lens is pretty useful. It will catch my kids doing most things other than running around in circles.

There is no sound from the lens while it focuses, whoo hoo!

Màu sắc Balance performance top

I see no difference in color balance between this EF-S 18-135milimet f/3.5-5.6 STM and my other EF lenses.

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Distortion performance top

The Canon 18-135milimet f/3.5-5.6 STM has the usual distortion for this kind of lens: horrendous barrel distortion at 18mm, and strong pincushion distortion at most other focal lengths. It only goes away around 24milimet.

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