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Canon EF 400mm f/5.6L USM

ef400mmf_56_1_
Review Date: Jan 9, 2005 Recommend? yes | Price paid: $920.00 | Rating: 10 

 
Pros: very sharp even wide open, fast focusing. Works very well with a Tamron 1.4x and still AF with that TC on my 300d.
Cons:
minimum focusing distance of 11 feet. Primes are a bit limiting in flexibility due to lack of zoom, especialy for large birds in flight.

This is one sharp lens. I did some tests and it is as sharp wide open as stopped down so now I only use it wide open unless I want more DOF. The lens is very sharp with the Tamron 1.4x teleconverter even wide open and I can't really see image degradation when using the TC. I do see image degradation when using a 2x Kenko pro and I do loose AF with the 2x. AF with the 1.4x teleconverter still is quite good, even if my camera is not geared to AF at F8.

the colours and contrast is really good and the photos have a nice pop to them. When you use that lens, sharpness of the images will be one thing you will stop to worry about.

The lens is quite small (relatively) and light and can be brought on long hikes unlike some more heavy lenses. The lack of IS does not bother me much as I have a very light monopod and use it for shutter speeds lower than 1/400s. When the hood is extended, the lens look a bit long and tiny, but I get a lot of "wow, nice lens!" when I go out so it probably is not all that bad Smile