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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 28-105mm f/3.5-4.5 USM/2 Zoom Lens
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 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: 05 Apr 2016 16:56:06
The date of the most recent change of this product data-sheet in Icecat.
Product views: 14391
This statistic is based on the 61915 using ecommerce sites (eshops, distributors, comparison sites, ecommerce ASPs, purchase systems, etc) downloading this Icecat data-sheet since 15-11-06 Only sponsoring brands are included in the free Open Icecat content distribution as used by 60276 free Open Icecat users .
Long product name Canon EF 28-105mm f/3.5-4.5 USM/2 Zoom Lens:
The short editorial description of Canon EF 28-105mm f/3.5-4.5 USM/2 Zoom Lens
EF 28-105mm f/3.5-4.5 II USM

Marketing text Canon EF 28-105mm f/3.5-4.5 USM/2 Zoom Lens

The official marketing text of Canon EF 28-105mm f/3.5-4.5 USM/2 Zoom Lens as supplied by the manufacturer
This is a zoom lens EF 28-105mm II 1:3.5-4.5 USM


-Diagonal Angle of View 75°-23°20'.
-Lens Construction (elements/groups) 15/12.
-No. of Diaphragm blades 7.
-Minimum Aperture f/ 22-27.
-Closest Focusing Distance (m) 0.5.
-Maximum Magnification (x) 0.19 (at 105mm).
-AF Actuator Ring USM.
-Filter Diameter (mm) 58.

Retains the optical capability of the highly popular EF 28-105mm f/3.5-4.5 USM lens, with a refined exterior design. Includes ring-type USM drive for silent, high-speed autofocusing, plus full-time manual focusing. The compact design is a good match for the EOS 5 or 30/33 with built-in flash. An excellent zoom lens for everyday use.
Short summary description Canon EF 28-105mm f/3.5-4.5 USM/2 Zoom Lens:
This short summary of the Canon EF 28-105mm f/3.5-4.5 USM/2 Zoom Lens data-sheet is auto-generated and uses the product title and the first six key specs.
Canon EF 28-105mm f/3.5-4.5 USM/2 Zoom Lens, 15/12, 28 - 105 mm, USM, Black
Long summary description Canon EF 28-105mm f/3.5-4.5 USM/2 Zoom Lens:
This is an auto-generated long summary of Canon EF 28-105mm f/3.5-4.5 USM/2 Zoom Lens based on the first three specs of the first five spec groups.
Canon EF 28-105mm f/3.5-4.5 USM/2 Zoom Lens. Lens structure (elements/groups): 15/12, Focal length range (f-f): 28 - 105 mm, Minimum aperture number: 22-27. AF actuator: USM. Colour of product: Black. Diameter: 7.2 cm, Filter size: 5.8 cm, Length: 7.5 cm. Magnification: 0.19x
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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′).
28 - 105 mm
Image stabilizer*
This camera function compensates for slight shaking movements caused by an unstable position and ensures smooth footage even in suboptimal conditions.
Number of diaphragm blades
Minimum aperture number*
The minimum size of the hole through which light enters a camera.
Closest focusing distance*
0.5 m
AF actuator
Manual focus
Auto focus
Device focusing a camera or other piece of equipment automatically.
Colour of product
The colour e.g. red, blue, green, black, white.
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.
7.2 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.
5.8 cm
Length *
The measurement or extent of something from end to end.
7.5 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.
375 g
Other features
The degree to which something is or can be magnified (made to appear larger than it is).