Canon EF 400mm f/4 DO IS USM
Last updated (29 July’10):
- Review by Luminous-landscape
The Canon EF 400mm f/4 DO IS USM features 400mm at focal length with maximum aperture of f/4. The lens construction has 17 elements in 13 groups and has diagonal angle of view at 6.2 degrees. Focus adjustment: Inner focusing system with USM, Closest focusing distance at 3.5m/11.5 ft and has a filter size of 52mm. The Canon EF 400mm f/4 DO IS USM lens weighs 4.2 pounds and it measures 5 inches in diameter and 9 inches long.
Overall Rating:
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Canon EF 400mm f/4 DO IS USM Reviews
Luminous-landscape reviews the Canon EF 400mm f/4 DO IS USM and writes;
“The “bokeh”, or characteristics of the out-of-focus portion of an image, is considered by many (me included) to be of great importance in defining the “signature” or characteristics of a lens. In the frame above, where I was focused on the foreground vegetation and the line of cranes was allowed to go soft, they have a very lovely soft-edged quality. Good bokeh, as the Japanese would call it. “
rating: N/A
The-digital-picture reviews the Canon EF 400mm f/4 DO IS USM and writes;
“If the natively lower contrast is not an issue for you, the Canon EF 400mm f/4.0 DO IS USM Lens makes an excellent sports lens. The long 400mm focal length will bring sports action up close. A relatively fast f/4 aperture will stop action in lower light levels and nicely blur the background.”
rating: N/A
Canon EF 400mm f/4 DO IS USM User Reviews
The best 400mm lens to carry outback | Rating:
“This is my lens for handheld images of birds in flight. It’s sharp and exhibits no color fringing or other chromatic aberration. By comparison, my Leitz 400mm f/6.8 Telyt shows a fair amount of color fringing outside the center region. To be fair, the Telyt is a much simpler design..” – by Mark W. Bohrer
Light enough for a walk-around | Rating: 
“At this point for me, this is my one size fits all super telephoto lens. There are sharper lenses, longer lenses, faster lenses, etc. but this one can do almost everything, and do it good enough..” – by crusader
Wonderful lens! You’ll take it with you everywhere. | Rating:
“In the month or so I’ve had the 400mm DO, I’ve taken it with me on trips–in planes, inside the cabin, with enough space for two camera bodies, and 24-70mm and 70-200mm zoom lenses–and I’ve shot sports handheld _exclusively_. The autofocus is very fast, the image quality is _astounding_, and I can only say good things about this lens.” – by Marcelo Clerici
Canon EF 400mm f/4 DO IS USM Sample Photos
- Canon EF 400mm f/4 DO IS USM Sample Photos @ Mylensdb.com
- Canon EF 400mm f/4 DO IS USM Sample Photos @ Photographyreview.com
- Canon EF 400mm f/4 DO IS USM Sample Photos @ Pbase.com
- Canon EF 400mm f/4 DO IS USM Sample Photos @ Flickr.com
- Canon EF 400mm f/4 DO IS USM Sample Photos @ The-digital-picture.com
- Canon EF 400mm f/4 DO IS USM Sample Photos @ Amazon.com
Canon EF 400mm f/4 DO IS USM User Manual
- Download Canon EF 400mm f/4 DO IS USM User Manual (PDF – 1.1Mb)
Canon EF 400mm f/4 DO IS USM Features & Specifications
An entirely new optical technology for SLR camera lenses, Multi-Layer Diffractive Optics, makes possible a 400mm super-telephoto lens that’s about 1/3rd shorter and significantly lighter. Diffractive Optics don’t end there–combined with a small Fluorite element, they permit almost total elimination of chromatic aberrations, and at the same time are able to combat spherical aberrations. Combining portability and easy handling, Image Stabilization, weather-resistant construction, superb optics and incredible AF performance, the 400mm DO IS lens is ideal for photographers who want super-telephoto power along with good lens speed in a hand holdable package.
See a Different Dimension
A super telephoto lens can make an ordinary scene into an extraordinary one. Its ability to see surpasses that of the human eye. It can compress images and make them look as if they come from another dimension. It opens up new realms of photographic expression. All EF super telephoto lenses are L-series lenses to provide the highest quality. The USM provides quiet and high-speed autofocusing. These lenses promise outstanding delineation and put your imagination to the test.
Specifications
Focal Length & Maximum Aperture: 400mm 1:4
Lens Construction : 17 elements in 13 groups
Diagonal Angle of View: 6° 10′
Focus Adjustment: Inner focusing system with USM
Closest Focusing Distance: 3.5m / 11.5 ft.
Filter Size: 52mm Drop-In
Max. Diameter x Length, Weight: 5.0″ x 9.2″, 4.3 lbs. / 128.0 x 232.7mm, 1940g
Popularity: 1%
See also: Canon Lenses | Lens Reviews
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