Comments about Canon Canon EF 400mm f/2.8L IS USM Image Stabilizer AutoFocus Super Telephoto Lens with Case & Hood - USA:

This lens is fantastic....top of the line. I use it for landscapes, wildlife, and sports. The clairity is unmatched and the pictures are beyond belief....perfectly clear. It is heavy, so a tripod or monopod is a must....but, you already know this before you purchase this lens. When I invested the money in this lens, I was rewarded with fantastic pictures. I wish I had gotten this lens before now.

Comments about Canon Canon EF 400mm f/2.8L IS USM Image Stabilizer AutoFocus Super Telephoto Lens with Case & Hood - USA:

First I would like to say I haven't had the lens on my camera that much yet, but I can tell you that I find that the 2X extender seems to work just fine with minimal loss. You will want to have this lens on a tri-pod or mono pod. I used both and find my tri-pod a better way to go for me. I do hear the IS system when it is on which suprised me a little but seems to work just fine. One thing I would suggest if you decide on this lens make sure your tri-pod can handle the weight because it isn't light.

Comments about Canon Canon EF 400mm f/2.8L IS USM Image Stabilizer AutoFocus Super Telephoto Lens with Case & Hood - USA:

If you're looking to step up from a telephoto zoom lens to something bigger and "badder", this is definitely a step in the right direction. Users of Canon's 70-200 f2.8 IS USM who photograph sporting events or wildlife subjects already appreciate the speed and clarity of Canon's f/2.8 L series lenses. If you haven't experienced the F/2.8 L series lenses, the benefit is awesome light gathering capability and spectacular shots with amazingly sharp subjects surrounded by nicely blurred background. In an effort to extend my reach with the f/2.8 70-200, I purchased the Canon 1.4x and 2x tele extenders, both of which produce as advertised, but at a cost. That cost being light gathering capability. The 1.4x tele extender costs you 1 f-stop and the 2x consumes 2-3 f-stops. The now longer the lens barrel creates a smaller functional aperture, resulting in less light reaching your sensor. This is fine for bright daylight shots, as lighting is usually not a problem. However as day becomes dusk, and dusk succumbs to dark, stopping action with a smaller aperture rapidly becomes a finite process. This is where the Canon 400mm f/2.8 IS USM shines. The large aperture at 400mm gives you the ability to reach out and touch your subject like never before with unparalleled light gathering capability. The result is amazingly crisp subjects with the professional background blur seen in sports and wildlife magazines. Sure, flash is possible with lesser lenses, but you can't always count on your flash to give you the fill and lighting you really need, especially at longer subject distances, such as during baseball and football games at night under the lights. I love having the option to leave aperture wide open, have the exposure I need to stop the action, and set ISO such that flash is not a requirement, but rather a luxury. This is not always possible with the tele extenders. On the downside, this lens is heavy and it is expensive. Neither of these issues has proven to be a permanent wall between myself and this lens. The expense is what led me to first purchase the extenders. They're great, but just can't possibly replicate what this lens does alone. For that matter, nothing else can. I strongly considered the 300mm version of this lens as well. It costs less and weighs less, but doesn't have quite the reach. I reasoned if I were going to buy something in this class, I wanted the glass the professionals were using. Many reviews suggest this is the prime telephoto lens most often used by professionals. After much consideration of my needs, I opted for the 400. The price tag was initially a large lump to swallow, but I have not been disappointed. As a matter of fact, the cost is only an after thought now. I have no regrets or any guilt over the expense, thanks to the great capability of this lens and the results I have obtained thus far. Without a doubt it's heaviest lens I have owned. I've never attempted to freehand this lens nor do I have any desire to do so. I removed the stock foot and installed a Wimberly Arca Swiss style replacement. I'm using a Really Right Stuff monopod head and quick release clamp, and a Bogen/Manfrotto monopod. This is a great combination for quick set up, and easy handling in the field. On a tripod, I love the Wimberly Head II for safety and ease of handling. It's firm hold, balance, and two finger control are hard to beat.

Comments about Canon Canon EF 400mm f/2.8L IS USM Image Stabilizer AutoFocus Super Telephoto Lens with Case & Hood - USA:

This has got to be the best lens I have the pleasure to own.
The 300L 2.8IS and 14LII being a close second followed by the 35L and 85LII.
I cant believe how sharp this 400 is. I love it even with the 1.4xII it still rocks.
Well done Canon.

Comments about Canon Canon EF 400mm f/2.8L IS USM Image Stabilizer AutoFocus Super Telephoto Lens with Case & Hood - USA:

The best lens I have ever owned. I would recomend this to anyone. Weight is an issue when hauling this lens arround, but worth it!!!

Comments about Canon Canon EF 400mm f/2.8L IS USM Image Stabilizer AutoFocus Super Telephoto Lens with Case & Hood - USA:

Superior optical quality... very fast focussing, excellent IS, great build quality.... a real masterpiece from Canon. No downsides for me so far.

Comments about Canon Canon EF 400mm f/2.8L IS USM Image Stabilizer AutoFocus Super Telephoto Lens with Case & Hood - USA:

Best lens out there for the pro or enthusiast photographer sport wise.... good for anyone who has money to spare since it's a great addition for sport shoot. can't say there is any better telephoto lens ever made...

Comments about Canon Canon EF 400mm f/2.8L IS USM Image Stabilizer AutoFocus Super Telephoto Lens with Case & Hood - USA:

I shoot a lot of college sports and this lens stays consistently fast. Good clear photos with great DOF.

Comments about Canon Canon EF 400mm f/2.8L IS USM Image Stabilizer AutoFocus Super Telephoto Lens with Case & Hood - USA:

Besides my 70-200 this is my favorite lense. It is terrific for live music, especially at low light, sports at a distance as well as getting up close and personal to wild life ( especially with 1.4x !