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Canon EF 100-400mm f/4.5-5.6L IS USM Telephoto Zoom Lens for Canon SLR Cameras

4.5 out of 5 stars 403 customer reviews
| 127 answered questions

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  • 100-400mm telephoto zoom lens with f/4.5 maximum aperture for Canon SLR cameras
  • 2 Image Stabilizer modes make it easy to capture far-off action or close-in portraits
  • Flourite and Super UD-glass elements largely eliminate secondary spectrum
  • Compatibility with extenders 1.4x II and 2x II; 5.9-foot close focusing distance
  • Measures 3.6 inches in diameter and 7.4 inches long; 1-year warranty
4 new from $1,690.95 32 used from $520.00 1 refurbished from $1,238.01

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Technical Details

Product Description

Product Packaging: Standard Packaging

Product Description

Canon EF 100-400mm f4.5-5.6L IS USM Telephoto Zoom Lens for Canon SLR Cameras.What's in the box: Canon EF 100-400mm f/4.5-5.6L IS USM Autofocus Lens, E-77U 77mm Snap-On Lens Cap,Lens Dust Cap E (Rear), ET-83C Lens Hood,Tripod Collar, LZ1324 Lens Case and 1-Year Warranty.

From the Manufacturer

Equipped with an Image Stabilizer, the Canon EF 100-400mm telephoto zoom lens makes it easy to capture the far-off action of fast-paced sports or zoom in for an intimate portrait with a blurred background. The lens offer such features as fluorite and Super UD-glass elements that largely eliminate secondary spectrum; a floating system that ensures high picture quality at all focal lengths; two Image Stabilizer modes; and compatibility with extenders 1.4x II and 2x II. The lens carries a one-year warranty.

  • Focal length: 100-400mm
  • Maximum aperture: 1:4.5-5.6
  • Lens construction: 17 elements in 14 groups
  • Diagonal angle of view: 24 to 6 degrees
  • Focus adjustment: Rear focusing system with USM
  • Closest focusing distance: 5.9 feet
  • Zoom system: Linear extension type
  • Filter size: 77mm
  • Dimensions: 3.6 inches in diameter, 7.4 inches long
  • Weight: 3.1 pounds

Product Information

Product Packaging:Standard Packaging
Product Dimensions 7.4 x 3.6 x 3.6 inches
Item Weight 3 pounds
Shipping Weight 4.5 pounds
Item model number 2577A002
Customer Reviews
4.5 out of 5 stars 403 customer reviews

4.5 out of 5 stars
Best Sellers Rank #116 in Camera & Photo > Lenses > Camera Lenses > Digital Camera Lenses
Date first available at Amazon.com November 14, 2002

Technical Specification

Warranty & Support

Product Warranty: For warranty information about this product, please click here [PDF ]


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Package Type: Standard Packaging Verified Purchase
If the answer is "Yes!" then buy with confidence. This lens dominates its niche. It delivers on its promises and is one of the classic white L lenses.

I got this lens to supplement the 28-135 IS, but I've ended up rarely using it. In fact, Ive decided that there may be a better choice for many photogs.

First let me begin by stating the obvious. Most images taken with this lens here and on online galleries like photosig or photo*net are taken at 400mm. Duh! I was hunting last weekend and took this lens along shooting animal pics from a blind. I set it to 400 and left it there. For wildlife and landscape shooters in particular, if the lens is going to be used at 400mm practically all the time, I think a better choice might be the 400mm 5.6 prime- costs hundreds less and sharper to boot. Going a step further, one sucessful wildlife photog I know recommends that if you are thinking about shooting wildlife other than birds, forego 400mm(prime or zoom)and get the 300mm F4 prime. His opinion: the larger size of most mammals offsets the loss of that last 100mm, yet is sharper, has lower light perfomance for the times of day when most mammals start moving, and yes, less money.

On the other hand, if your passion is shooting animals in a zoo, maybe this lens is for you. Dont have to worry about dawn or dusk shots and the range of the zoom might come in handy.

Sports shooters might actually benefit from the zoom's ability to adjust to capture unpredictable shots, but unless youre right on the sideline I still suspect it will be left at 400 most of the time, so ditto the prime. Ive read that 5.6 can be a bit slow for for fast shutter speeds in anything but optimum light. Of course, the next step up, the 400mm F4 is over five grand, so 5.
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Package Type: Standard Packaging Verified Purchase
Reviews of this lens on the web are mixed with some showing soft results, particularly at 400mm. This is likely due to wide variations in sample lenses. I decided to take a chance and seem to have gotten lucky. My copy, just received from Amazon (Build date of Oct 2005) produces fantastically crisp and contrasty images on my 20D at ALL focal lengths from 100 to 400. It's almost magical. The images are much sharper using the same f-stops than those from a 70-200 f2.8IS lens at 100-150mm and virtually the same at 200mm. Even wide-open at 400mm this lens is quite sharp. At 400mm, I've compared to a very nice Canon 400mm f5.6L prime lens, with and without 1.4X teleconverter. The images have virtually the same extreme sharpness and contrast if the zoom is stopped down just one one-third stop (e.g. zoom at 6.3, prime at 5.6). With the 1.4X TC both lenses had to be manually focused but produced outstanding clarity with NO perceivable loss in quality. The focus is swift and true and the IS on this lens really works (and does not hum like that on the 70-200 f2.8IS) allowing handheld shots at 1/100 sec at 400mm. It may be that Canon has quietly improved this lens since recent reviews seem to be much more positive than those from a few years ago. Some folks don't like the push-pull zoom but it works great for me and allows very fast composition of scenes. The lens is about the same size as the 70-200 f2.8 IS but seems lighter and better balanced. Given the razor sharpness of its images and 100-400mm range, this seems like the perfect single lens solution for nature and bird photography. However, it is big and white so it may not be the best for candid people photography.
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First, I just want to say... I waited most of my life to get to the point where I could take professional quality pictures. Now that I am there, it is indeed everything I wanted it to be. I'm loving this. :-)

This lens came to me because I accidentally dropped my 75mm-300mm non-IS non USM lens in the Gulf of Mexico while shooting the sunset at Lover's Key State Park, Florida. Some would argue that I probably did this on purpose just because I was sick of the poor quality of that lens, and although I do share your sentiments, I assure I did NOT do that on purpose. It *was* funny in its own way, but after realizing just how much damage was done to the internals and realizing I'd have to replace it, I was in fact quite horrified. I will quickly say this for that lens - it CAN yield good pictures, IF you know how to work it. Keep your aperture around F13 and stick to bright light, and it will produce...


It is NOT a pro lens, and it will NEVER be a pro lens. I took over a week to convince myself to put down the huge money for this "L" telephoto lens, and it took me about that long again before I was sure I'd done the right thing. I am sure now, more or less, but the painful expense still haunts me. That's one thing you have to get over if you want to take exceptional pictures - good images do in fact require good optics, and good optics COST. That's how it is currently, and you have to deal with it or do without. The plus side is the resale value on an L lens is HIGH if you treat it right, so if one day you need your money back out of it, you can get most of it back just fine.

When I finally got my new lens, I was immediately shocked by the size and weight. Unless you've seen or held one before, you're going to be intimidated.
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