I have to say, "Wow I love this lens."I'd recommend this lens for three kinds of people:
1) People who want to get a taste of the L-series lenses who need a lens in the 70-200mm focal length relatively inexpensively;
2) People who already own the 70-200mm f/2.8L IS lens who have to lug that huge thing around for a long time;
3) People who want a L-series 70-200mm lens who don't NEED f/2.8 or IS.
Call me a wimp, but shooting 1000-2000 shots a day in the field with the 70-200mm f/2.8 IS gets tiring, especially if you're hand-holding. This lens is relatively inexpensive for being L-series glass, the difference in optical quality is almost imperceptible from the f/2.8, and it's sturdy and ergonomic enough to use all day long.
When I plan on shooting the whole day, especially over the course of several days, this is the lens I take with me, NOT the f/2.8 IS. It's shorter, narrower, and lighter. While you may not feel the difference when shooting for a couple of hours, take two people of equal endurance and strength and give them the f/4 and f/2.8 IS and send them out for a day and you know who is going to come back with the sore arms when the day is over.
On a 1.6x FOVCF body, the 70-200mm focal range makes this lens a little tight; but at 1.3x or 1.0x FOVCF, this focal length range is quite awesome. When I travel, I like to pair this lens with the 17-40mm f/4 and use my feet to fill the gap between 40 and 70mm (I also take along el-cheapo 50mm f/1.8 so I can shoot in low light, and the 1.4x teleconverter to give myself an effective 450mm reach) -all of this is a good, lightweight, relatively inexpensive package. Also, while being quite a chunk of pocket change, this lens is nowhere near as expensive as the f/2.8 versions, and so it's a lot less of something to worry about when traveling or shooting under adverse conditions.
As so far, I have found NOTHING that I do not like about this lens (well, except for the one-stop loss from f/2.8).
I have to say that if you are looking for a single lens to do General Purpose work, this is not it. This lens is for specfic purposes. This lens works best as one-half of a pair, taking the upper useful focal lengths, while you use something like the 17-40mm f/4L or the 24-70mm f/2.8L to handle lower range of focal lengths. If you're looking for a carry-everywhere never-change lens, try the 28-135mm f/3.5-5.6 IS lens. It's a great value, the focal length range is in the sweet spot, and the optics are not bad.
Otherwise, if you fit into one of the three categories at the beginning of this post, I would highly recommend this lens to you.
One note; with a widest aperature of f/4 and a long focal length, you will not be able to take indoor photos without excellent lighting or a flash. I've tried to take photos of ice hockey, where the rinks are notoriously poorly lit, and had very little success. Even with a tripod it is a challenge to maintain a fast enough shutter speed to freeze the action of a kids game (yes, even with ISO at 800). But in good lighting or outdoors in the daytime, this lense rocks.
Great sports photos. Great nature photos. This lense is extremely versatile. I have even used it with flash indoors for portrait photography.
There is not too much to mention on the negative side. Its size and color do make it stand out a bit in public, and people may thing you are a professional photographer. I've also noted that the depth-of-field with a wide open aperature, especially at f4, is very narrow. As long as you've been careful to focus on your subject, the background will be blurry. But focus on something other than your subject and you may find your subject to be blurry.
All in all, this is one great lens that will let you take very sharp photos. And it is a bargain price compared to its f/2.8 and f/2.8IS sibliings.
Buy Canon EF 70-200mm f/4L USM Telephoto Zoom Lens for Canon SLR Cameras Now
Like many people my decision on a telephoto zoom lens came down to buying the Canon 70-200mm f/4L or the Canon 70-300mm f/4-5.6 IS USM. The trade offs seemed clear at first. The former performs slightly better (see Canon website for MTF data), is better designed & built, is faster and has the "L" lens status. User comments and ratings (at more than one site) are slightly more favorable for the L lens. The 70-300mm has an improved IS and of course a longer focal length. Both cost about the same so money was not a factor in my decision.I eventually decided on the L lens and was initially disappointed. Photos ranged from wonderful to not very good at all. In fact, I almost returned the lens. Eventually I figured out the problem. My yard is heavily shaded so most of the initial photo's were taken in low light and I had selected shutter speeds that were too slow. To avoid camera shake you need to shoot at the reciprocal of the focal length or faster. Sounds simple but with the Digital Rebel XT (which I was using) you need to consider the camera's 1.6 multiplication factor. So at 200mm you need a shutter speed of 1/320 or faster not 1/200 like I initially thought. Once I made the speed adjustment things changed for the better.
Still I have some mixed feelings about my decision. When the light is good this is a fantastic lens but with the IS feature offered on the 70-300mm I would probably get photos that I will miss with this lens.
I can't fault the performance of this lens for its limitations and I have given it 5 stars. In other words it does what it is supposed to do very well but my message to other buyers is to consider where you are most likely to use the lens before buying. Remember IS becomes increasingly important as you extend the focal length. If your camera is already extending it by a factor of 1.6 you may find IS a very attractive feature.
(Note the 70-300mm has a recall on certain model numbers because of problems when using the lens in a portrait position.) By the way, I purchased from Amazon and it was a flawless transaction!
Read Best Reviews of Canon EF 70-200mm f/4L USM Telephoto Zoom Lens for Canon SLR Cameras Here
I love this lens! Every year, I shoot a two-day 4-on-4 flag football tournament. With this lens, I consistently capture better photos than the other photographers with longer lenses. At f/4, it's fast enough to give you all the flexability in the world. Since it's a constant aperature throughout the length of the zoom range, your focus remains almost constant, so that you can cheat and get away with changing the zoom after you've got a focus lock.While it's true that this lense will never "grow up to be" the f/2.8 70-200, at half the wieght and half the cost, it's worth it if you're looking at lugging around your camera for hours on end.
...P>One Warning: If you've never shot with a Canon Professional lens ('L' series lenses), you're in for a real treat. You'll have a very difficult time justifying buying anything for your Canon's in the future that's not an 'L' lens, and that can get VERY expensive.
Want Canon EF 70-200mm f/4L USM Telephoto Zoom Lens for Canon SLR Cameras Discount?
Like many aspiring amateur photographers I've "climbed the ladder" of Canon lenses in search of the lens (or set of lenses) that best fit my shooting needs. I've been leaning toward sports and nature, with only a sprinkling of portrait and macro photos, thus I've bought and used the range of Canon's telephoto zoom lenses. You can almost compare them as if you were shopping for a Sport Utility Vehicle (SUV), where type of use, speed, price, and durability will be your deciding factors. Here are my summarized thoughts on three of the more popular telephoto zoom lenses:70-300 IS (Ford Explorer) Big zoom, least expensive of the bunch, handy Image stabilization, great for outdoor sports, but slower AF than the rest. May be "sharp" enough for your needs, though discernibly less so than an L series lens.
70-200 F/4 (Honda Pilot) Pro grade build and optics, fast and quiet AF, lighter and much cheaper than the F/2.8. Great all purpose lens that is light enough to be a carry-around lens for trips and hikes.
70-200 F/2.8 (Porsche Cayenne) Impressively sharp and fast. Can handle lower light conditions such as indoor sports, but heavier and more expensive than those above. My left bicep is discernibly larger thanks to hoisting this lens.
Advantages In the 70-200 F/4 Canon has created a harmony of features making it the all purpose middle of the line lens that is almost as affordable as the 70-300 IS, yet with the weather-proofing, durable build, optical performance, and tack sharpness close to the 70-200 f/2.8.
The 70-200 F/4 focuses very fast, very quietly and very accurately thanks to Canon's excellent Ring USM (Ultrasonic Motor). FTM (Full Time Manual) focusing is enabled. The focus and zoom rings are very nicely sized and turn very smoothly. The lens does not extend during zooming and thanks to its inner focusing system the front element does not rotate allowing easy use of a polarized filter.
Drawbacks If you're shooting indoors without a flash (concerts, some sports), the F/4 may not be fast enough for your needs. Also, the F/4 does NOT come with a dedicated tripod mount but it is available as an option ($60+) either in black or white.
Overall This is the affordable all purpose stud of the Canon Telephoto zoom lens line that should find a nice home in most photographers' bags. Unless you have low light or specialized uses, this lens should be high on your list of "To Buy" items. Highly Recommended!
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