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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 70-200mm f/4L IS 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
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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: 27 Aug 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: 03 Jul 2012 11:37:56
The date of the most recent change of this product data-sheet in Icecat.
Product views: 7601
This statistic is based on the 62318 using ecommerce sites (eshops, distributors, comparison sites, ecommerce ASPs, purchase systems, etc) downloading this Icecat data-sheet since 27-08-06 Only sponsoring brands are included in the free Open Icecat content distribution as used by 60363 free Open Icecat users .
Long product name Canon EF 70-200mm f/4L IS USM:
The short editorial description of Canon EF 70-200mm f/4L IS USM
EF 70-200mm f/4L IS USM

Marketing text Canon EF 70-200mm f/4L IS USM

The official marketing text of Canon EF 70-200mm f/4L IS USM as supplied by the manufacturer
Compact, manoeuvrable and lightweight, the world's first 4-stop Image Stabilizer lens also features the very finest in L-series lens optics to deliver stand out optical performance and operability.


-L-series optics.
-Light and compact.
-4-stop Image Stabilizer.
-f/4 through zoom range.
-Fluorite and UD lens elements.
-Fast auto focus.
-Environmental seals.
-Super Spectra coatings.
-Circular aperture for pleasing background blur.
-Soft case and lens hood.

The professional’s lightweight IS telephoto zoom.

4-stop IS
The EF 70-200mm f/4L IS USM features the world's first 4-stop Image Stabilizer (IS). Ideal for handheld work, the exceptionally accurate and sensitive IS negates the need for a tripod in many conditions. Shutter speeds up to 4 stops slower than would be otherwise possible (e.g. 1/15 sec instead of 1/200) can be used with no perceptible increase in image blur. For stabilised panning, IS Mode 2 corrects only for unwanted vertical shake.

L-series quality
The lens embodies Canon’s highest standards of L-series optics, build quality, reliability and operability. Crisp, high contrast image quality is assured right across the frame and throughout the entire zoom range. A reliable partner in tough conditions, the metal and polycarbonate construction features special environmental seals to prevent the ingress of dust and moisture.

With a length of just 172mm and weighing only 760g, the EF 70-200mm f/4L IS USM is ideal for assignments where there is a need to travel light without compromising performance, operability or image quality.

Fixed aperture
With no change in aperture over the full focal length range, photographers can set exposure at the widest aperture and zoom through to 200mm without slowing shutter speed. Lens length remains constant during zooming and focusing.

Fluorite and UD lens elements
The lens incorporates a single Fluorite and two UD (ultra-low dispersion glass) lens elements to suppress secondary chromatic aberrations. The result is crisp, high contrast, undistorted images throughout the entire zoom range, without colour fringing at subject outlines.

Auto focus
A Ring-type USM (Ultrasonic motor) delivers responsive, high-speed, silent auto focus. Holding torque is excellent, stopping the focus lens group with precision and without overshoot. Full time manual focus override is available without switching out of AF. Minimum focus distance is 1.2m throughout the zoom range.

Super Spectra coatings
Optimised Super Spectra coatings and lens element shaping suppress flare and ghosting. Coatings also help achieve true colour balance and increase contrast.

Pleasing background blur
The Electro Magnetic Diaphragm (EMD) features an almost perfectly circular aperture to create an even and attractive blur from out-of-focus backgrounds.

A cylindrical bayonet hood and soft case are included.
Short summary description Canon EF 70-200mm f/4L IS USM:
This short summary of the Canon EF 70-200mm f/4L IS USM data-sheet is auto-generated and uses the product title and the first six key specs.
Canon EF 70-200mm f/4L IS USM, 20/15, 70 - 200 mm, Ring USM
Long summary description Canon EF 70-200mm f/4L IS USM:
This is an auto-generated long summary of Canon EF 70-200mm f/4L IS USM based on the first three specs of the first five spec groups.
Canon EF 70-200mm f/4L IS USM. Lens structure (elements/groups): 20/15, Focal length range (f-f): 70 - 200 mm, Closest focusing distance: 1.2 m. AF actuator: Ring USM. Diameter: 7.6 cm, Filter size: 6.7 cm, Length: 17.2 cm. Magnification: 0.21x
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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′).
70 - 200 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*
1.2 m
AF actuator
Ring USM
Manual focus
Auto focus
Device focusing a camera or other piece of equipment automatically.
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.
7.6 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.
6.7 cm
Length *
The measurement or extent of something from end to end.
17.2 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.
760 g
Other features
The degree to which something is or can be magnified (made to appear larger than it is).