Reviews and Problems with Canon EF 400mm f/4.0 DO IS USM
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Powerful, Lightweight, & Ultra Fast Telephoto Prime Lens
Ezra "Better Than Ezra", Amazon
22 February 2015
Summary: My review of the Canon EF 400mm F/4 DO IS USM Super Telephoto Lens. This is such a high quality super telephoto lens that I feel deserve a lot of praise. Here are some the reasons why I decided to acquire this lens.
Summary: I purchased this lens for bird and wildlife photography. I was looking for a lens that I could hand hold, and the 400DO fills the bill perfectly. It is light, maneuverable, and easy to use. The IS works well, and I personally do not find the F/4 aperture to be a drawback.
Excerpt: I use it primarily for wildlife, mostly birds. I have been using it primarily to follow 2 eagle nests paired with the 2x 111 extender to give me 800mm and autofocus. I also use it at short range, 12 feet +/- for hummingbirds.
Pros: Consistent Output, Durable, Rugged, Strong Construction
Summary: I acquired my Canon EF 400mm f4 DO IS USM lens (hereafter known as the lens) just recently and am very happy with it. I can say this with certainty "don't expect those fantastic shots to pop out of the camera the first time you use it". There is a learning curve to it.
Excerpt: I will be going on an African safari later this year. The luggage weight restriction is a major challenge for this trip. After doing quite a bit of research and evaluating the pros (lightweight and small for a super telephoto prime, relatively fast autofocus that's compatible with 1.4 III tube) and...
Pros: Consistent Output, Durable, Fast / accurate auto-focus, Rugged, Strong Construction
Excerpt: I use this lens for wildlife photography and as my review headline states this lens is portable and excellent. The automatic focus is fast and accurate. The images are sharp at f/4. I prefer to shot at f/5.6 or higher when possible.
Pros: Consistent Output, Fast / accurate auto-focus, Lightweight