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Review of the Canon EF 11-24mm f/4 L USM zoom lens
A review of using the 11-24
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The lens comes in a large box - taking out the lens cap and soft bag immediately give an idea of what's to come.
The lens cap is solid enough, but feels slightly lighter than you think it should - I'm not sure why, but others have noticed it too. I've also seen someone who's already broken one - replacements are not currently available anywhere.
Here's the lens compared in size with the EF8-15 F4L and EF14mm 2.8L II
Features (listed by Canon)
Here's the 11-24 with the rest of my wide collection.
Unlike the EF8-15, the lens hood does not come off, giving a bit more protection than the similarly bulbous TS-E17.
This view of the front elements shows the amount of glass.
The lens zoom mechanism is stiff, with a definite feel for the amount of glass being moved around.
The front element does not rotate, but does move in and out over the focal range, as shown in the series of shots below.
The only lens in the collection above that will take a conventional filter is the TS-E 24mm 3.5L, and that needs a low profile one if you are using much shift.
Fortunately, I tend to have little use for filters with these lenses, so have not tried some of the giant contraptions that have been made for use with them and large flat filters.
I'm told that filters for the 11-24 will be available in due course from the usual suspects.
- Note - if you're a filter maker and want a test/review with this and our other wide lenses, just give me a call.
As with many of these lenses there is a gel filter holder at the back - also something I've never really tried.
In looking at the lens manual [PDF], I note that it mentions that the gel filter holder gets in the way of the rear of the lens at its widest setting.
The rear element of the lens moves backwards at shorter focal lengths, so could potentially contact any filter.
A quick check of the actual lens shows that the problem is probably just Canon being over cautious (probably for legal reasons ;-)
Back when I used film, in the 1980's, I decided to get an Olympus Zuiko 24mm f/2.8 lens for my OM2n. The sudden width available compared to my 50mm and 70-150mm completely changed my approach to landscape and led to a much greater appreciation of foreground/background relationships.
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Jump forward to this century and my switch to digital. In late 2003 I got my first 'real' digital camera, a Canon 1Ds. One of the first lenses I got, was the EF 16-35 2.8L.
Once again, the jump from 24mm to 16mm was conceptually quite significant and needed quite a lot of experimentation to get a real feel for. This was also the time I went back to some of my old film images and realised that cropping for direct compositional impact, rather than correcting for a slight lean or other minor issue, was an important factor in expressing images the way I wanted them to look.
In many ways, when people ask when I 'took up' photography, I have two dates: 1974 at school, with B&W in the darkroom and; 2004 when I set up Northlight Images as a commercial photography business.
Many of the significant advances in my skills have come from acquiring a new wide lens and learning to use it effectively, so thanks to the EF16-35 2.8L, EF15mm fish-eye, TS-E24mm (Mk1), EF14mm 2.8L II and TS-E17mm. Now I'm adding the EF11-24mm F4L to the list...
If you've started out with a crop sensor camera and kit lens (the ubiquitous EF-S 18-55 for example) then 18mm is not actually that wide (~29mm).
There are plenty of EF-S wide lens options. Last year I got a 100D, both for macro work and also as a small spare camera to take on jobs. When Canon announced the EF-S10-18 (16mm-29mm equiv.), I bought one to test, and was rather impressed by its build and optical quality at the price (see my EF-S10-18mm IS review for more) - it also impressed Karen, my wife, who loves the compactness (and lack of weight) of the 100D/EF-S10-18mm combination.
I've used the EF14 2.8L II as my standard 'wide' rectilinear lens for the last few years and found that whilst it's very nice to use for shots with strong lines in them or where I deliberately wanted to give real prominence to a foreground object, I generally preferred the TS-E17 tilt/shift lens (mostly for the shift), where for architectural work I could easily take two shots with different shifts and stitch them.
It so happens that the full coverage of the TS-E17 (through stitching images) is very similar to the EF11-24 at 11mm - Later, I'll explore some of the options this might give, especially when the 5Ds at 50MP arrives, since it means that even a 50% crop yields more pixels than I'm currently getting with my 1Ds mk3.
Please do remember that this review is not a quantitative analysis of the performance of my lens - it's mainly about what it lets you do with it.
First up, a set of images of the houses across the street from me to give a feel for how wide the lens goes. These are all shot at f/8, which reduces any vignetting to reasonable levels.
It's always a tricky thing to meaningfully display image quality in reviews, not least of which comes from people widely varying ideas of what looks OK (I've never been a 'sharpness perfectionist').
Look at this corner 200% crop at 11mm. I've opened up the image in Adobe Camera RAW (ACR) in Photoshop CS6.
The lens is too new to have any correction profiles, but as you can see if you move your mouse over the image, the automatic chromatic aberration (CA) removal does a good job. The amount of CA is really rather low, barely noticeable in most images.
Once this lens is supported by software such as DxO Optics Pro, it will be interesting to see what improvements can be wrought, especially once my 5Ds turns up.
- Note - I've some comparisons with the EF14 2.8L II later.
The amount of correction needed to correct the small amount of barrel distortion at 11mm is at the lowest setting.
If you're shooting very wide, then any movement away from the horizontal will give very strong convergence for vertical lines.
This is fine if you're looking for powerful dramatic lines, but perhaps not for trees...
Putting the horizon across the middle of the frame is one approach, such as this view across Victoria park, looking towards the University of Leicester.
This shot also shows how well the lens deals with flare. The 100% crop below is the only significant flare I found in the image above.
One other common problem when shooting wide - your own shadow...
Both these shots are at f/8 and 11mm. I've not corrected either for vignetting.
Back in the city, I tried a few shots around dusk. This one of Leicester railway station (14mm f/6.3) also shows the style of flare given by the lens's 9 blade aperture iris for bright light sources.
Tilt the lens upwards and we're back to a more dynamic feel (note the 18 point star)
Of course, the temptation with any new creative tool is to over use it - I always think of this as the 'New toy effect', something only worked through with practice - preferably not on the time of a paying client ;-)
A view inside Southwell Minster (11mm) in the Chapter House, gives a feel for what you can do.
The view going back into the Minster looks more conventional.
I've never been impressed by any 'use the whole frame' ethos and regard cropping as a vital compositional tool.
This view of the Minster has a lot of grass in front of it.
Now, I could find an interesting gravestone or some other object to put into the frame up close, but that's not what I want.
I've kept the camera horizontal, so the towers are not leaning at all.
I'd also note that with the sun just out of the frame, there was a tiny bit of flare.
This was easily fixed with holding my hand off to one side, shading the lens.
Like all the Southwell shots, it's hand held - you just need to take care that your fingers don't intrude into the shot.
Here's the cropped version that I was after.
A square crop of this (11mm) view of two buildings just next to the station in Leicester would have taken two shots with my TS-E17mm shift lens stitched together. Of course it would be higher resolution, but with a 5Ds, I'd still have 33MP after the crop.
I've some comparison shots with the TS-E later, but the single shot solution is a useful one if you've enough resolution and have moving objects in front of you.
How you handle the corners of wide images, particularly in the foreground makes a big difference to what you can use the images for (11mm in this instance).
I've seen people's comments about such images saying that the 'distortion' in the corners renders them 'useless'.
It's important to consider just what people mean when they say this.
I suspect that it's referring to the stretching effect you see in these salt and pepper containers.
The thing is, that this is a perfectly natural effect from having a rectilinear wide angle lens. Rectilinear means that straight lines are rendered straight, and this lens does that superbly well. If you want circular objects rendered circular, then you need a lens with a different projection geometry. If you're curious about such things have a look at my reviews of the EF8-15 fish-eye lens and the fish-eye hemi plugin.
If you are going to have people in wide shots, then consider using anamorphic transforms such as you get in DxO viewpoint.
Or you could have photos like this of my pint of beer ;-)
At f/5.6, depth of field is pretty thin if you focus at minimum distance, but out of focus areas do have a nice smoothness to them.
This view of one of the famous stone carvings in the Chapter House at Southwell Minster was taken at 24mm (f/6.3) at not much more than minimum distance. The lens will work with a 12mm extension tube (at longer focal lengths) but objects will be getting rather close to that front element.
If you've never seen it, Southwell Minster (Cathedral and Parish Church of the Blessed Virgin Mary) is a wonderful cathedral to visit, with it's distinctive towers at the older end of the building (c.1150) The later chancel (1234) is in the more open Early English style, with the Chapter house dating from 1286.
If you're looking to use a lens like this, then it's worth comparing it to what you can get using some of Canon's other offerings.
Just to remind you - here's the view across my street at 11mm.
The vertical view at 11mm
A view with a fish-eye lens - I've used fish-eye hemi to straighten vertical lines.
A left/centre/right set of three shifted images taken with the TS-E17 (portrait orientation +- 12mm shift)
Two TS-E17mm shots (landscape orientation +-12mm shift)
I note a bit of vignetting in the view above (f/8). When shifting a lens, all the normal corrections (CA, distortion, vignetting) won't work (well, not without a few tricks).
Canon's best wide rectilinear lens before the 11-24 was the EF14 2.8L, which I got at the same time as my 1Ds mark 3 camera back in November 2007.
The obvious difference is size - the EF14 2.8L is quite compact and lighter (but very solidly built). It's a full stop wider than the 11-24, which may be important to you. As an architectural/industrial/commercial photographer I tend to be shooting with a tripod and stopping down for sharpness and reduction of vignetting, so I've looked at how the two compare at 14mm.
The difference between the two is quite apparent along the roofline. The 14mm has pretty minimal distortion, but the 11-24 has even less. If you're looking for wide on a budget, see my review of the Samyang 14mm, which is manual focus and exhibits a distinctly more complex distortion (fixable with correction profiles).
Does the 14mm have a tad more contrast in the corners? I think that must wait for people with complex measuring equipment (and rather more patience) than I do ;-)
For my architectural work I'm still more inclined to choose a lens with movements rather than crop. However I'm very aware that many clients consider a 20MP image as huge, so cropping becomes much more of an option once I've a camera that outputs 50MP files.
Two views of the interior of Southwell Minster (11mm) and a third using stitched images from the TS-E17
One with the camera level - note the very different architectural styles.
Two shots with the TS-E17 stitched.
Buying an 11-24mm
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The lens is impressive on so many levels - not least of which is the solidity when you pick it up.
I was initially expecting to see rather more basic distortion (barrel/pincushion) in the image at different focal lengths, I mean, this is what you often get with wider zooms?
Well no, the performance is what I'd expect from a decent prime lens right across the focal length range. We'll have to wait for the detailed optical analysis to come in to see for sure, but from my initial week of using the lens, it's performed excellently.
My only (slight) query was that the lens cap felt a bit light, but it's already been stuffed into numerous pockets with no problems.
AF seems fast and effective although you do need to remember that focus changes as you zoom, so do it -after- setting focal length.
With all the exotic glass inside the lens, expect focus to vary with temperature more than simpler lenses. The focus distance marks are probably best used for guidance purposes only. This is important if you were wanting to use the lens at night with infinity focus (stars), where the focus could easily drift as temperature changes. This, to be fair, is a potential issue with many modern lens designs.
Whilst on the subject of astrophotography and night shooting, the widest aperture of f/4 might be an issue for some, although using the lens on our 1Ds3 I found it more than bright enough, even in the event venue pictures I tried.
Lack of filter attachment may be of concern to some, but I'm assured that suitably hefty attachments will be on their way to hold large plates of glass for you. If filter use is an important part of your photography then either try a different approach, or wait to see what turns up now the 11-24 is out ;-) There is of course the gel filter slot at the back, but that almost seems a holdover from the days that you'd want a filter to allow you to use tungsten film in daylight (a sort of white balance thing - for those of you who've never come across it). I couldn't think of a particular use for gel filters - suggestions please in the comments?
- Note - In the comments, it was mentioned that ND gel filters for video would be useful - thanks.
Vignetting was not intrusive by f/8, and was easily correctable (along with chromatic aberration and other minor distortions) in ACR. Add in custom lens profiles to a RAW converter like DxO Optics Pro and you're only left with one real question.
What am I going to use this lens for?
With any extreme lens it's up to you to find ways it can help your creative work.
I've included mostly shots taken at 11mm in this review, because that's 'what this lens does'. However it also does 24mm really well too, on a par with my TS-E24 F3.5L II.
Oh, and 18mm, and 14mm too, possibly better than my EF14 2.8L II.
I'm still a bit in 'new toy mode' with this lens (as will be anyone testing it now - don't believe otherwise ;-) and I see the real challenge (after using that width) is to make effective use of all its capabilities.
Value for money?
What a question...
From my own point of view as a working photographer, I only need a few shots that pay, or get me work, to have covered the costs of this glass. If it inspires me to create new photos that get noticed, then it's worked. During the time I've used it, I've not found it wanting in any technical area.
If you're sufficiently well off and just want the widest lens possible for your hobby, then only you can come up with whatever justification/excuse suits ;-)
If you're thinking of experimenting with ultra-wide angle shots, then perhaps a lens like the Sigma 12-24 or Samyang (Rokinon) 14mm would be a more economical place to start. Certainly, if you find a 14mm wide angle daunting, then 11mm is a whole big step further.
I'm curious to see how the lens is received by the more, shall we say, 'careful' lens reviewers and forum experts. To my mind it's passed every test I'd want to throw at it, but then again, I'm only planning to use it for taking photographs ;-)
Article history - first published March 2015
Unique range of focal lengths combined with excellent optical quality, in a massive and hefty lens at a very non-trivial price.
Definitely one from Canon's 'because we can' department.
Questions/comments? See the discussion section further down the review.
There is a page about any 11-24 news/info that I'll keep updated with any new reviews I come across.
This optical design layout is from a Canon patent in 2014 - it is likely very similar to the actual production lens
|Angle of view (horizontal, vertical, diagonal)||117º 10'- 74º,
95º 10' - 53º,
126º 05' - 84º
|Lens construction (elements/groups)||16/11|
|No. of diaphragm blades||9|
|Closest focusing distance (m)||0.28 (at 24 mm)|
|Maximum magnification (x)||0.16 (at 24 mm)|
|AF actuator||Ring USM¹|
|Filter diameter (mm)||Filter Holder|
|Max. diameter x length (mm)||108 x 132|
|Lens cap||Lens Cap 11-24|
|Rear cap||Lens Dust Cap E|
|Magnification w/ Extension Tube EF12 II||0.73-0.53¹|
|Magnification w/ Extension Tube EF25 II||Not Compatible|
|Extender Compatiblity||Not Compatible|
|AF actuator||¹ Full time Manual Focus|
|Magnification w/ Extension Tube EF12 II||¹ Not Compatible at wide angles|
*Lenses with dust/moisture resistance are fitted with a rubber ring on the lens mount which may cause slight abrasion of the camera mount. This in no way effects either the lens or camera performance.
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