Equipment, Reviews, Tests

Canon EF 70-200mm f4 L IS Lens

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(Updated on December 28, 2011. Some links go to site sponsor B&H Photo)

Canon makes four L zoom lenses in this 70-200mm focal length: two f4 versions and two f2.8 versions, with IS (image stabilization) versions being available for both. All four lenses are optically excellent and among the very best zoom lenses you can buy. I like to say that deciding among them on the basis of image quality is like trying to choose between four quarters and a dollar bill on the basis of value. What primarily differentiates among the four models are their functional features, and your choice should be made primarily on that basis – and perhaps cost if this is a significant factor for you. (However, there are reports that the newer Canon EF 70-200mm f/2.8L IS II USM Telephoto Zoom Lens is at the head of this pack of very good lenses – but it isn’t necessarily the best choice for everyone.)

When I made my first 70-200mm purchase I chose the f/4 non-IS version – the IS version had not been released at that time. (You can purchase it from site sponsor B&H photo: Canon EF 70-200mm f/4L USM Lens) The f4 version I purchased set me back about $600 at the time, making this one of Canon’s least expensive entry points into the world of L lenses. The non-IS version of this lens is still a great performer. For those who might always shoot from the tripod, there might not be compelling reasons to spend more on any of the other models of this type of Canon lens.

More recently I acquired the image stabilized version of this lens. (Canon EF 70-200mm f/4L IS USM Lens) In most ways its performance is very similar to that of the non-IS version, though the aperture blades are now apparently rounded, which can alter the appearance of out of focus highlights. In fact, both of the f/4 70-200mm lenses produce very nice background blur. For my purposes, I chose the f/4 IS version because I frequently use this lens while hiking/backpacking where the advantages of smaller size and lighter weight are more significant for me than the one additional stop. My feeling is that the f/4 version if fine for the majority of shooters, and is a better choice than the f/2.8 versions for those who cart their gear on their backs! Unless you never shoot handheld, the IS version of the lens is probably worth the extra cost for most buyers, though both will produce very similar optical results.

After using the non-IS f/4 version since 2005 and the IS version for a few months, here is what I have observed.

  • Image quality from either version of this lens is completely top notch. The lenses are capable of producing very high resolution images that will stand up as the largest prints you are likely to create from DSLR originals. Performance is generally very good throughout the focal length and aperture ranges.
  • Perhaps to the surprise of some photographers, the f/4 70-200mm lenses produce very nice bokeh (background blur) wide open. Some think you need larger aperture lenses to get this or to shoot portrait subjects. In truth, you most often don’t want to shoot at a larger aperture at these long focal lengths because the depth of field is so small, and f/4 controls DOF well and gives good bokeh.
  • While a 70-200mm zoom is not a small lens, the f/4 versions make such a lens more manageable. I’ll take my f/4 lenses backpacking, but I would not want to carry the heavier and bulkier f/2.8 into the back-country.
  • The usefulness of image stabilization will vary depending upon your subjects and shooting style, but I think that it is likely enough that you’ll get value from it at some point that most photographers should probably pay the extra cost for it. The IS on this lens is very capable, providing the ability to shoot at 3-4 stops slower shutter speeds. By increasing the ISO I have been able to shoot indoor musical performances under stage lighting with the IS lens.
  • These are very useful lenses for shooting certain small nature subjects such as wildflowers and similar. Not only is the nice bokeh often useful, but the ability to work at the longer focal lengths from a slightly greater distance is helpful. There are some reports that resolution may not be optimal at 200mm and the minimum focusing distance, but I’ve had good success in that sort of shooting.
While I’m doing these comparisons, let me share some ideas about situations in which one might choose any of the Canon 70-200mm options:
  • EF 70-200mm f/4 L – This non-IS lens is a great performer in every way. Its image quality equals the other lenses with the possible exception of the f/2.8 II lens at the larger apertures, and here the difference isn’t exactly going to be “night and day.” If you are on a budget or if you shoot exclusively from the tripod this can be the very best choice.
  • EF 70-200mm f/4 L IS – For those who will do some amount of handheld shooting but who otherwise would be fine with the non-IS 70-200mm lens, this can be the best choice. Again, image quality is excellent and essentially in the same category as that of the non-IS lens. However, the addition of effective IS extends the usefulness of this lens for hand held and low light shooting. If cost isn’t a constraint, this can be a better overall choice than the non-IS f/4 lens.
  • EF 70-200mm F2.8 L – Like the other 70-200mm lenses, this is an excellent performer. Since its cost is often very close to that of the 70-200mm f/4 IS lens, it is essentially a matter of trading one additional stop of aperture for IS. For a few people the added stop might be more useful – those shooting actions subjects in low light, a very small number who might need f/2.8 but who will always shoot from the tripod.
  • EF 70-200mm f/2.8 L IS – This is the most expensive option among the four, for obvious reasons – it combines the f/2.8 maximum aperture with a very effective image stabilization system… and ends up costing well over $2000. If cost is not a concern and if weight and bulk are not issues, then this can be the safest choice as is has all of the feature potentially provided by the other options. Practical photographers may decide that the additional weight, bulk and cost are not worth the one additional stopped it provides by comparison to the f/4 IS model.

With a 1.6 crop factor DSLR this lens is the angle-of-view equivalent to a 110-320mm lens on a full-frame camera body. By adding a 1.4x teleconverter to this lens, it gives the equivalent of a greater than 400mm lens on cropped sensor bodies. When I shot a crop sensor body I combined this lens with the 24-105mm f/4 L IS and the 17-40mm f/4 L. For me this lens is even more useful on a full frame body.

Bottom line: All four of the Canon 70-200m lenses are excellent products that produce wonderful image quality. On that basis there is little or nothing to suggest choosing any one of them above the others. However, the difference that they do possess (maximum aperture, IS,, weight, bulk, cost) can be determining factors.

Lenses mentioned in this article include:

(Links to site sponsor B&H Photo)

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G Dan Mitchell Photography
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