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Canon EF 400 mm f2.8 L IS USM

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EF 400 mm f2.8 L IS USM
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The light-gathering device of a camera, typically containing a group of compound lenses. Lenses come in different lengths, with very long lens used for long-distance photography.
camera lenses
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Included since: 27 Jun 2005
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Info modified on: 06 Feb 2017 11:16:32
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Long product name Canon EF 400 mm f2.8 L IS USM :
The short editorial description of Canon EF 400 mm f2.8 L IS USM

EF 400 mm f2.8 L IS USM

Canon EF 400 mm f2.8 L IS USM

The official marketing text of Canon EF 400 mm f2.8 L IS USM as supplied by the manufacturer
This lens is an EF 400mm f/2.8 L IS USM.


Focal length and maximum aperture: 400mm 1:2.8
Lens Construction (elements/groups): 17/13
Diagonal Angle of View: 6°10'
Focus adjustment: Inner focusing system with USM
Closest Focusing Distance (m): 3
Filter Diameter (mm): 52 Rear Drop-in

Super telephoto L-series lens with an Image Stabilizer for use in track and field sports as well as low-light nature and wildlife photography

The next generation
The EF 400mm f/2.8 L IS USM is a new generation super telephoto 400mm lens with a large aperture ratio of f/2.8 and first rate imaging performance. With image stabilization effective over two shutter speeds this lens stands out.

You can have reliable capabilities when used for fashion photography performed indoors and at night. The optical system includes one fluorite and two UD lenses that eliminate secondary spectrum, for ultra high contrast and image quality.

Its fast too
With ring USM drive, inner focusing and an improved drive algorithm, its autofocusing is the fastest in the world (when used with the EOS-3).

Closest focusing distance has been reduced to 3m/ 9.8 ft., it is also equipped with a full time manual focus mechanism that does not consume electric power. It offers both focus preset and AF Stop functions.

This lens is 700g/ 1.5 lb. lighter than its predecessor due to the use of a magnesium alloy for its barrel and other external parts. It offers superior dust-proof and moisture-proof performance even under harsh conditions
Short summary description Canon EF 400 mm f2.8 L IS USM:
This short summary of the Canon EF 400 mm f2.8 L IS USM data-sheet is auto-generated and uses the product title and the first six key specs.
Canon EF 400 mm f2.8 L IS USM, 17/13, 6.42" (16.3 cm), 6°, 2.05" (5.2 cm), 24.7 oz (700 g), 0.15x
Long summary description Canon EF 400 mm f2.8 L IS USM :

Canon EF 400 mm f2.8 L IS USM. Lens structure (elements/groups): 17/13, Thread diameter: 6.42" (16.3 cm), Diagonal angle of view (max): 6°. Filter size: 2.05" (5.2 cm), Weight: 24.7 oz (700 g). Magnification: 0.15x

This is an auto-generated long summary of Canon EF 400 mm f2.8 L IS USM based on the first three specs of the first five spec groups.

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Lens system
Lens structure (elements/groups) *
The way in which a camera lens is constructed.
Thread diameter
6,42" (16,3 cm)
Diagonal angle of view (max)
Weight & dimensions
Filter size *
A filter is a screen, plate, or layer of a substance which absorbs light or other radiation or selectively absorbs some of its components e.g. a UV filter to reduce UV light. Filters come in various sizes.
2,05" (5,2 cm)
Weight *
Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
24,7 oz (700 g)
Other features
The degree to which something is or can be magnified (made to appear larger than it is).
Source Testseek summary Average rating
Testseek has collected 10 expert reviews for Canon EF 400 mm f2.8 L IS USM but no overall score was given. Click below and use Testseek to find all ratings, product awards and conclusions.
Source Review comments Score
Canon EF 400mm f/2.8 L IS USM reviewThis professional offering from Canon in the fast super telephoto range, famous along the touchlines in its creamy grey ?white? livery is no lightweight contender in more ways than one. We take a look at how it perfo...
The Canon EF 400mm f/2.8 L IS USM Lens is the ultimate Canon professional field/track sports lens. The Canon EF 400mm f/2.8 L IS USM Lens has many striking features. The first hits you when you put the 400 f/2.8 IS in your shopping cart - the price. A...
The EF70-200/4L is one of Canons least expensive "L" series lenses. Using both fluorite and low dispersion glass optics, the lens is very sharp thoughout the zoom range and maintains a constant f4 maximum aperture. It is supplied with a lens hood an...
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