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LENS 17-40/4 L USM F/ CANON CAMERA

Misco No. : 2354668
Manufacturer/No: Canon / 8806A007
Price:
£864.00 Ex VAT
£1,036.80 Inc VAT
Availability: Please call 0800 038 8880 or Email salesdesk@misco.co.uk for latest Price & Availability
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LENS 17-40/4 L USM F/ CANON CAMERA

The EF17-40mm f/4L USM is an ultra wide angle Canon EF zoom lens meant for professional and high amateur SLR EOS camera users.
While it is an excellent lens when used with an analog SLR camera, the EF17-40mm f/4L USM is especially well suited for digital SLR cameras with an imaging sensor size smaller than the 35mm format. Indeed on such digital SLR cameras these focal lengths can give an angle of view approximately equivalent to that of a 28-70mm lens used on a 35mm camera, which makes it the ideal standard zoom lens.
The EF17-40mm f/4L USM has 12 lens elements arranged in 9 groups. Super Spectra Coating on the elements ensures excellent color balance and minimizes ghosting and flare. To provide superb image quality over a 17-40mm zoom range the lens uses three aspheric elements of two different types, while Super UD (Ultra-low Dispersion) glass is used to prevent the chromatic aberrations that often can degrade the subject edge clarity.
Minimum focusing distance is just 28mm throughout the entire zoom range.
The Auto-focus works silently and quickly thanks to a fast central processing unit with an improved AF algorithm. You can override AF mode with manual focus should you wish.
Controlled by an electromagnetic diaphragm, the EF17-40mm f/4L USM's circular aperture can achieve a more attractive appearance to out of focus background areas in a picture.
The front of the lens does not rotate as you focus. This means, for example, that polarizing filters still function effectively as you zoom in and out. At the rear of the lens there's a drop-in gelatin filter holder.
Highly resistant to moisture and dust, the EF17-40mm f/4L USM is ideally suited for use in harsh environments. Environment friendly lead-free glass is used throughout its construction.



Product Specifications

Product DescriptionCanon EF wide-angle zoom lens - 17 mm - 40 mm
Lens SystemWide-angle zoom lens
Intended For35mm SLR, digital SLR
Mounting TypeCanon EF
Lens ApertureF/4.0
Focal Length17 mm - 40 mm
Optical Zoom2.4 x
Min Focus Distance28 cm
Focus AdjustmentAutomatic, manual
Lens Construction9 groups / 12 elements
Special FunctionsWide angle, zoom
Filter Size77 mm
Length9.7 cm
Weight500 g



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