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The general trademark of a manufacturer by which the consumer knows its products. A manufacturer can have multiple brand names. Some manufacturers license their brand names to other producers.
Product name:
Product name is a brand's identification of a product, often a model name, but not totally unique as it can include some product variants. Product name is a key part of the Icecat product title on a product data-sheet.
EF 100-400mm f/4.5-5.6L IS USM
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The brand's unique identifier for a product. Multiple product codes can be mapped to one mother product code if the specifications are identical. We map away wrong codes or sometimes logistic variants.
Category :
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
Data-sheet quality: created/standardized by Icecat
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only logistic data imported: we have only basic data imported from a supplier, a data-sheet is not yet created by an editor.
created by Canon: a data-sheet is imported from an official source from a manufacturer. But the data-sheet is not yet standardized by an Icecat editor.
created/standardized by Icecat: the data-sheet is created or standardized by an Icecat editor.
Included since: 01 Nov 2006
The date Icecat noticed for the first time that this product was included in the price list of a channel partner
Info modified on: 06 Feb 2017 12:12:08
The date of the most recent change of the data-sheet in Icecat's system
Product views: 103257
This statistic is based on the 68156 using ecommerce sites (eshops, distributors, comparison sites, ecommerce ASPs, purchase systems, etc) daily downloading this Icecat data-sheet since 01-11-06 Only sponsoring brands are included in the free Open Icecat content distribution as used by 66407 free Open Icecat users.
Long product name Canon EF 100-400mm f/4.5-5.6L IS USM:
The short editorial description of Canon EF 100-400mm f/4.5-5.6L IS USM
EF 100-400mm f/4.5-5.6L IS USM

Marketing text Canon EF 100-400mm f/4.5-5.6L IS USM

The official marketing text of Canon EF 100-400mm f/4.5-5.6L IS USM as supplied by the manufacturer
This lens is an EF100-400mm 4.5-5.6 L IS USM.


-Lens construction: 17 elements in 14 groups.
-Diagonal angle of view: 24°-6°-10°.
-Focus adjustment: Rear focusing system with USM.
-Closest focusing distance: 1.8m / 6ft.
-Zoom system: Linear extension type.
-Filter size: 77mm.

The Image Stabilizer has two modes and it is compatible with Extenders 1.4x II and 2x II

L-series super telephoto zoom lens equipped with an Image Stabilizer. The fluorite and Super UD-glass elements largely eliminate secondary spectrum. The floating system also ensures high picture quality at all focal lengths. The Image stabilizer has two modes and it is compatible with Extenders 1.4x and 2x.
Short summary description Canon EF 100-400mm f/4.5-5.6L IS USM:
This short summary of the Canon EF 100-400mm f/4.5-5.6L IS USM data-sheet is auto-generated and uses the product title and the first six key specs.
Canon EF 100-400mm f/4.5-5.6L IS USM, 17/14, 3.94 - 15.7" (100 - 400 mm), Canon, USM
Long summary description Canon EF 100-400mm f/4.5-5.6L IS USM:
This is an auto-generated long summary of Canon EF 100-400mm f/4.5-5.6L IS USM based on the first three specs of the first five spec groups.
Canon EF 100-400mm f/4.5-5.6L IS USM. Lens structure: 17/14, Focal length range (f-f): 3.94 - 15.7" (100 - 400 mm). AF actuator: USM, Camera brands compatibility: Canon
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Lens system
Lens structure (elements/groups)*
The way in which a camera lens is constructed.
Focal length range (f-f)
Measure of how strongly the system converges or diverges light. For an optical system in air, it is the distance over which initially collimated rays are brought to a focus. A system with a shorter focal length has greater optical power than one with a long focal length; that is, it bends the rays more strongly, bringing them to a focus in a shorter distance.For an optical system in air, the effective focal length (f and f′) gives the distance from the front and rear principal planes (H and H′) to the corresponding focal points (F and F′).
3.94 - 15.7" (100 - 400 mm)
Image stabilizer*
This camera function compensates for slight shaking movements caused by an unstable position and ensures smooth footage even in suboptimal conditions.
Maximum aperture number*
Number of diaphragm blades
Closest focusing distance*
1.8 m
Camera brands compatibility*
The brands of camera that can be used with this product.
AF actuator
Auto focus
Device focusing a camera or other piece of equipment automatically.
Manual focus
Weight & dimensions
Diameter *
Distance from one side of a body (circle or sphere) to the other side, measured by a straight line passing through the centre of the body.
3.62" (9,2 cm)
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.
3.03" (7,7 cm)
Length *
The measurement or extent of something from end to end.
7.44" (18,9 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.
3.04 lbs (1,38 kg)
Other features
The degree to which something is or can be magnified (made to appear larger than it is).