Canon EF 100-400mm f/4.5-5.6L USM AutoFocus Image Stabilized Telephoto Zoom Lens with Hood & Tripod Mount - USA

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About Canon 100-400mm

L-series super telephoto zoom lens equipped with an Image Stabilizer. The fluorite and Super UD-glass elements largely eliminate secondary spectrum. The floating system also ensures high picture quality at all focal lengths. The Image Stabilizer has two modes and it is compatible with Extenders 1.4x II and 2x II.

The Canon 100-400mm is commonly used for Art, Documentary, Fun, General purpose, Landscape/scenery, Landscape photography, Low light, Macro photography, Nature, Night photography, Photojournalism, Portraits, Special effects, Sports/action, Travel, Upgrade, Weddings, Wildlife, Wildlife photos and more.The Canon 100-400mm is most used by customers who consider themselves to be a Beginner, Casual photographer, Enthusiast, Photo enthusiast, Professional, Pro photographer, Semi-professional, Semi-pro photographer among others.The Canon 100-400mm is popular because customers like the following qualities of the Canon 100-400mm: Clear glass, Consistent output, Durable, Easily interchangeable, Easily mounted, Easy to clean, Fast / accurate auto-focus, Lightweight, Nice bokeh, Quiet, Rugged, Simple controls and Strong construction

Summary of Customer Reviews

Customers most agreed on the following attributes:
Strong construction (196),Fast / accurate auto-focus (164),Durable (120),Consistent output (108),Rugged (103),Easily interchangeable (87),Superior build quality (42),Easily mounted (38),Super-sharp images (37),Simple controls (37),Clear glass (36),Fast auto-focus (33) Nice bokeh (19),Lightweight (16),Easy to clean (13),Sharp (8),Quiet (7),Versatile (5),Great picture quality (4) View All
Heavy (122),Poor in low light (19),Lens creep (11),Slow focus (10),Semi-sharp images (8),Low light (7),Heavy / bulky (6),A little heavy (3),Slow auto-focus (3),Blurry focus (3)
Best Uses:
Sports/action (112),Wildlife photos (105),Wildlife (80),Landscape/scenery (63),Travel (35),General purpose (22),Photojournalism (22),Fun (20),Documentary (15),Night photography (15),Landscape photography (11),Art (10) Portraits (9),Weddings (9),Upgrade (8),Macro photography (6),Nature (4),Special effects (4),Birds (3),Landscapes (3),Professional work (3),Sports (3) View All
Reviewer Profile:
Photo enthusiast (66),Enthusiast (64),Semi-pro photographer (31),Semi-professional (24),Professional (15),Casual photographer (11),Beginner (4),Pro photographer (4)

Canon 100-400mm Specifications

14 groups /17 elements
Angle of view
24° - 6° 10'
F stop range
4.5-32 (5.6-40)
Closest Focusing Distance
1.8m / 5.9 ft.
Maximum Magnification
Filter Size
Dimensions (Length x Diameter)
7.4" x 3.6" / 189.0 x 92.0mm
3.1 lbs / 1,380g

Canon 100-400mm Reviews

Review Snapshot®


(based on 306 reviews)


of respondents would recommend this to a friend.

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Most Liked Positive Review


Monster Lens Unbeatable In Its Field

I've had this lens for a year and a half and hardly a day goes by that I don't use it. Even when I shoot beautiful flowers, this lens pulls out the details and colors. It's ability to start at 100mm and then move to 400mm is great for photographing big & small game movement, people movement and getting shots of distant objects that most photographers just dream of.


Most Liked Negative Review


Greatr glass, poor zoom design

This is a great lens that has unfortunately been given a terrible (in my opinion) zoom system – The push-pull zoom is difficult to use while tracking a moving subject because the hand that you are using to support and balance the lens moves when the zoom is extended from 100mm towards 400mm and changes the whole way you are holding your camera ... with other long zooms, the natural motion of twisting to zoom allows you to keep a more natural stance and keep your hands where you are used to...

View full Review

This is a great lens that has unfortunately been given a terrible (in my opinion) zoom system – The push-pull zoom is difficult to use while tracking a moving subject because the hand that you are using to support and balance the lens moves when the zoom is extended from 100mm towards 400mm and changes the whole way you are holding your camera ... with other long zooms, the natural motion of twisting to zoom allows you to keep a more natural stance and keep your hands where you are used to having them in relation to the rest of your camera/lens controls ... It was really surprising to me when Canon made this, the 35-350mm and the 28-300mm all push-pull zooms ... had these been designed with a standard twist-zoom they would be best sellers for Canon I've only seen this type of push-pull zoom system on very low budget lenses like Quantary and some older low-end Sigma lenses - unfortunately, this ruins this particular lens for me, where I would definitely be interested in it, and the other 2 push-pullers, if they had a regular zoom system I wouldn’t recommend this lens ONLY because of this zoom system – the optics are superb, as is to be expected of L glass, and the picture quality is terrific (I used one myself for 300+ shots), but personally I'm going to spend my money on different L glass

Reviewed by 306 customers


Fabulous lens


from Santa Cruz, CA  -  Photography Student

Great for close ups as well as zooming in on wildlife. Gorgeous optics and easy to use. Push pull zoom is a little cumbersome.


EF 100-400mm is Versatile


from Davis, CA

I bought the lens for wild bird photography. I considered the EF 400 5.6, but I thought I better go with IS. I am a pure amateur hobbyist. I like the portability of the lens. The great close focus (5.9') has been useful in getting images of flowers and insects. Most of my use is at the 400mm, but I like the ability to shorten-up if the subject comes closer. I use it mostly from a monopod, and I am still working to get consistently sharp images of moving birds. I have seen the work of professionals who use the same lens, so I know what is possible with my Canon equipment.The EF 100-400mm is heavy! For me, the push-pull zoom feature is an interesting challenge - keep it too loose, and it creeps longer; too tight, and you miss a shot trying to shorten it. I'll keep working with it to see if I can give it 5 Stars.


Good Lens


from Elk Grove, IL  -  Photo Enthusiast

the lens is a little heavier than I expected, but the auto focus is good. I use it with a T1i. While I would prefer a twist zoom, the slide zoom works OK. I have not tried it yet with a tele converter.


Awesome lens


from Liberty Lake, WA  -  Photo Enthusiast

Used this lens at a Canon live learning seminar and it was great, so ordered one from Adorama and they delivered promptly and in great condition. The sharpness of this lens while hand holding it is fantastic. I had a 170-500mm of another brand, but never could get perfectly sharp photos. Very pleased with this lens.


Excellent lens


from Iowa  -  Semi-pro Photographer

Very nice lens, great images. It's disappointing that it's not weather sealed. It's also disappointing that it won't autofocus on any but 1D-level bodies when using the 1.4x (or 2x) teleconverter. Zoom creep is customer controlled; you can tighten it up if you want, but that makes zooming tighter and harder too. The image stabilization works well but leads to a false sense of security. I got many blurry images when not paying attention to shutter speed. IS is great but it won't eliminate all blur, esp. with very short shutter speeds. But the lens itself is darn nice. Images are sharp with very nice color. I bought mine used and am glad I did. For <$1200 I got a peach of a lens. A real keeper.


My GoTo lens for Sports


from Livermore, CA  -  Semi-pro Photographer

I shoot youth Football and Baseball and this lens lives on my camera about 6 months of the year. It's big and heavy but the breadth of range allows for flexibility that I'd otherwise need two bodies for. I actually like the push-pull zoom because it seems faster but it is a disadvantage when shooting through the fence on baseball.


Big "gun" lens


from West Haven,UT  -  Photography Student

First the lens is big and heavy, but it was expected. My first dislike is the fact that this is a push/pull type lens, does not make for quick focusing. Used it first time in Yosemite National Park, getting used to it. Great optics so far. The next big test is my trip to Grand Teton and Yellowstone National Parks. Ultimate test is trip to Kenya and Tanzania for a safari, the primary purpose of why I purchased the lens.


A great value


from Arcata, Ca

This is my second purchase of this lens (the first got stolen) so that right there should tell you how much I like this lens. My favorite subject for this lens is Airshows but is a great Nature lens except in the darkest of conditions.

(1 of 1 customers found this review helpful)


One of the best lens


from Hilo, Hawaii  -  Casual Photographer

Wildlife, sports and landscraping


Great Lens, Know the Limits


from New Jersey

I purchased this lens as I needed to give myself a bit more reach than my 70-200 could offer, even with the 1.4 extender. The versatility with the lens is great. The 100-400 range is perfect for photographing airplanes, wildlife, sports, etc. The images are sharp up until about 300mm and then there is a slight drop off in sharpness as you go beyond 300. The focusing at times can be a bit slow, which can be tough if you are trying to lock in on a moving subject. Finally the lens does seem to vignette a lot when mounted to a full frame, which is to be somewhat expected but maybe not so much to the degree I get at times. The lens is push/pull which is a bit uncommon now. However, the adjustment period really isn't bad and after a day of playing around it feels normal. The tension ring is great for allowing you to determine how much or how little force will be required to zoom in or out. I have had this lens for nearly 5 months now and it does seem to be what I utilize the most. I still use my 70-200 f4L IS at times when I know I will not need that extra reach. My 70-200 copy is amazingly sharp and I find it to be a bit faster at focusing. Overall, I do recommend this lens to almost everyone. It is a great versatile lens but does have a few limitations. It will be interesting to see if Canon does come up with something to replace it in the coming years as the current version is coming up on 16 years already. My version was a 2013 build, based on both the serial number and having come with the new center pinch lens cap. The design might be old, but Canon is still actively making them!


Questions & Answers Powered by TurnTo®

Questions about this item:

Shopper  Why Did You Choose This?
DAVID G  Dont know whether it was this copy but I was really disappointed how soft it was at 400. Chromatic aberation was an issue as well. Exchanged it for the 400/5.6 and totally happy.
Kim C  Can this lens be used on any EOS camera...I have a EOS Digital Rebel T2I?
WILLIE Y  I have a Canon T1i that I took with me on my fourteen day safari to the Serengeti National Park, Tanzania, in 2010. I took over two thousand frames with my Canon EF 100-400mm f/4.5-5.6 on that one trip alone, and they turned out great. As far as I know, the T2i is the next generation of the T1i and the fit should not be an issue. Willie
Neil C  Will this work with a Canon 60D?
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