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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 400 mm f5.6 L USM
Product code :
The brand's unique identifier for a product. Multiple product codes can be mapped to one mother product data-sheet 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
The quality of the product data-sheet can be on several levels:
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: 15 Jul 2005
The date Icecat noticed for the first time that this product was included in the price list of a channel partner
Info modified on: 03 Jul 2012 11:55:08
The date of the most recent change of this product data-sheet in Icecat.
Product views: 18448
This statistic is based on the 61793 using ecommerce sites (eshops, distributors, comparison sites, ecommerce ASPs, purchase systems, etc) downloading this Icecat data-sheet since 15-07-05 Only sponsoring brands are included in the free Open Icecat content distribution as used by 60152 free Open Icecat users .
Long product name Canon EF 400 mm f5.6 L USM:
The short editorial description of Canon EF 400 mm f5.6 L USM
EF 400mm f/5.6L USM.

Marketing text Canon EF 400 mm f5.6 L USM

The official marketing text of Canon EF 400 mm f5.6 L USM as supplied by the manufacturer
This high-performance lens was designed with portability and handling ease in mind. One super UD-glass element, whose characteristics are similar to fluorite, and one UD-glass element result in sharp pictures from corner-to corner. The lens also has a built-in hood and a detachable tripod mount.
Short summary description Canon EF 400 mm f5.6 L USM:
This short summary of the Canon EF 400 mm f5.6 L USM data-sheet is auto-generated and uses the product title and the first six key specs.
Canon EF 400 mm f5.6 L USM, Extension Tube EF12 II - 0.16 - 0.03, Extension Tube EF25 II -0.21 - 0.07
Long summary description Canon EF 400 mm f5.6 L USM:
This is an auto-generated long summary of Canon EF 400 mm f5.6 L USM based on the first three specs of the first five spec groups.
Canon EF 400 mm f5.6 L USM. Filter size: 7.7 cm, Weight: 1.25 kg. Magnification: Extension Tube EF12 II - 0.16 - 0.03, Extension Tube EF25 II -0.21 - 0.07
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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.
7.7 cm
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.
1.25 kg
Other features
The degree to which something is or can be magnified (made to appear larger than it is).
Extension Tube EF12 II - 0.16 - 0.03, Extension Tube EF25 II -0.21 - 0.07x