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    Canon EF 17-40mm F4L USM Lens

    See our Canon shop for full range of Canon products.
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    Manufacturer Code: 8806A002
    013803028058 UPC : 013803028058
    Brand:  Canon
    RRP:  £704.11
    Sale Price:  £502.94
     Inc VAT 20%
    You Save:  £201.17
    Stock Info: Item 8806A002 Available for Next Day Delivery
    (Postage Info)
    Reserve for Collection @ Store

    Canon

     

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    Description - Canon EF 17-40mm F/4L USM Lens:
    A latest and reasonable L-series ultra-wide-angle zoom lens Canon 17-40mm that is perfect for both film and digital SLRs. Canon 17-40mm has greater optics and guaranteed by the make use of three Aspherical lens basics, in adding up to a Super UD (Ultra-low Dispersion) glass part. Optical coating is optimized for make use of with digital cameras. Canon 17-40mm Lens focuses as close as 11 inches (0.28m) and offers together Canon full-time manual focus and an influential ring-type USM for speedy and quiet AF. Canon 17-40mm has a steady f/4 maximum aperture and offers the selection of screw-in 77mm filters or a holder in the rear of lens for up to three set filters. Lastly, Canon 17-40mm Lens offers weather-resistant building alike to further high-end L-series lenses.
    Regarding half the cost of the 16-35 f/2.8 Lenses, this L-series lens Canon 17-40mm have a completely new optical design with three Aspherical fundamentals and a Super UD-glass part. The grouping of Canon 17-40mm Lens provides outstanding dissimilarity and sharpness, even next to the widest setting. Canon 17-40mm is perfect for both film and digital SLRs and features the similar weather-resistant design, rear set filter holder and high-speed Ultrasonic Motor like the EF 16-35mm Lens.
    Canon EF 17-40mm f/4L Lens is a wide-angle lens made by Canon Inc. Canon 17-40mm lens has an EF mount to work through the EOS line of cameras. Other than the front element, it is locked against dust and water, and features a diaphragm which remains nearly circular from f/4 to f/8.
    While a member of the L lineup, which is primarily aimed at professionals, the Canon17-40mm is primarily aimed at advanced amateurs who want a high-quality lens but are unwilling or unable to pay for the EF 16-35mm f/2.8L USM lens, which costs approximately twice as much as the Canon 17-40mm.
    Canon 17-40mm Lens is also a popular step up from the stock kit lens on many of Canon's EOS Digital family of cameras, the EF-S 18-55mm f/3.5-5.6, for those who wish to remain with a wide angle lens. Canon 17-40mm Lens is often paired with an L series telephoto lens, such as the EF 28-300mm f/3.5-5.6 L USM or any of the EF 70-200mm family (f/4L USM, f/4L IS USM, f/2.8L USM, f/2.8L IS USM).

    Ultra Wide Lens Used for Analogue EOS SLR Cameras:
    Canon EF17-40mm f/4L USM Lens is an ultra wide angle Canon EF zoom lens destined for specialized and elevated recreational SLR EOS camera users.

    Standard Zoom Lens Designed for Digital EOS SLR Cameras:
    though Canon 17-40mm is an admirable lens while used among an analogue SLR camera. The EF 17-40mm f/4L USM is particularly well suitable for digital SLR cameras with an imaging sensor size lesser than the 35mm format. Certainly on such digital SLR cameras these focal lengths are able to give a point of view around the equal to that of 28-70mm lens used on 35mm cameras which make it the supreme standard zoom lens.

    Better-Quality Optical Presentation:
    Canon EF17-40mm f/4L USM has 12 lens fundamentals arranged in 9 groups. Fantastic Spectra Coating on the basics ensures outstanding color stability and minimizes ghosting and blaze. To offer excellent image quality in excess of a Canon 17-40mm zoom range the lens uses three aspheric basics of two different types though Super UD (Ultra-low Dispersion) glass is used to put off the chromatic aberrations that repeatedly are able to degrade the topic edge clearness.

    General Position of High-End Features:
    least amount focusing distance is just 28mm all through the whole zoom range.
    The Auto-focus mechanism noiselessly and speedily thanks to a fast central dispensation unit with a better AF algorithm. You be able to take priority over AF mode with manual focus ought to you desire.
    Forbidden by an electromagnetic diaphragm, The Canon EF17-40mm f/4L USM’s round aperture can attain an additional good-looking look to out of focus background areas in a image. The frontage of the Canon 17-40mm Lens does not turn around as you focus. This means for example, that polarizing filters still purpose successfully as you zoom in and out. At the rear of lens there is a drop-in gelatin filter holder.

    Extremely resistant to damp and dust, The Canon EF 17-40mm f/4L USM is preferably matched for use in cruel environments. Atmosphere friendly lead-free glass is used all through its structure.

    Beneath is our lens experiment data:
    Result: Canon 17-40mm is an extremely high-quality lens and deserves it standing, judgment its position in most camera bags of expert using Canon mechanism. The slightly temperate colors shaped by Canon L glass and the superior contrast and manage of other rudiments required for pleasant lenses are all there. The results will not dissatisfy. With new developments in Canon 17-40mm lens design but, at the extremely top end it is staring to seem a little long in the pointed tooth.

    In outline, the most important positive points of the Canon 17-40mm f/4 L Lens are:
    Canon 17-40mm has reliable presentation right through the focal range.
    Construct quality.
    17-40mm has excellent cost for money.

    Unconstructive points of Canon 17-40mm Lens are:
    Top end cameras before now at the limit of this lens’ declaration.
    Boundaries drop off a fragment as focal length increases.

    Features of Canon EF 17-40mm F4L USM Lens

    Superb optical performance throughout the zoom range.
    Fastest AF speed within its class (same as the EF16-35 f/2.8L USM).
    Highly dust and moisture resistant.
    28cm minimum focusing distance at all focal lengths.

    Specification - Canon EF 17-40mm F/4L USM Lens

    Brand Canon
    Model EF 17-40mm F4L USM Lens
    Mount EF
    Focal Length 17-40mm
    Maximum Aperture 1:4
    Lens Construction 12 Elements in 9 Groups
    Diagonal Angle of View 104° -57° 30'
    Closest Focusing Distance 0.28m / 0.9 ft.
    Filter Size 77mm
    Max. Diameter x Length 3.3" x 3.8" / 83.5mm x 96.8mm
    Weight 1.1 lbs / 500g

    Kit Contents
    Canon EF 17-40mm Lens
    Canon Hood EW-83-E
    Canon Lens Pouch
    Canon Lens User Guide
    Canon Lens Front and Rear Caps
     

    MTF Cart for Canon EF 17-40mm F/4L USM Lens
     

    Canon 17-40mm F/4L USM Lens

    Canon 17-40mm F4L USM Lens Block Diagram

    Canon EF 17-40mm F4L USM Lens Structure

    Canon 17-40mm F/4L USM Lens Picture Sample

    Canon 17-40mm F/4L USM Lens Picture Sample

    Other Related Products:
    Canon EF-S 17-55mm F2.8 IS USM
    Canon 16-35mm F2.8L EF Mark II USM Lens
    Canon EF 20-35mm F3.5-4.5 USM Lens
    Canon 24-70mm F2.8L EF USM
    Canon 16-35mm F2.8 L EF USM Lens

    For more information about, Canon EF 17-40mm F4L USM Lens website.

     
     
    Canon EF 17-40mm F4L USM Lens

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    Canon EF 17-40mm F4L USM Lens Buy Canon EF 17-40mm F4L USM Lens + Related Products
    RRP:  £704.11
    Sale Price:  £502.94   
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    Canon 16-35mm F2.8L EF Mark II USM Lens £1,029.00

    Customer Reviews on Canon EF 17-40mm F4L USM Lens
    £502.94

    5 out of 5 based on 1 reviews
    Review by ,    ,    Customer Rating:   5 of 5 Stars!

    Dear Microglobe staff,

    The lens and flashgun etc. arrived less than 24hrs. after I ordered them. This is top quality service. Well packed and in perfect order.
    The member of staff that I spoke to on the phone was patient and understanding.
    Many thanks.

    Click to view All Reviews
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    This product was added to our catalog on Thursday 29 July, 2004.
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