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    Sigma HSM 17-50mm F2.8 EX DC Auto Focus Wide Lens Pentax

    See our Sigma shop for full range of Sigma products.
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    Manufacturer Code: 583109
    085126583613 UPC : 085126583613
    Brand:  Sigma
    RRP:  £459.00
    Sale Price:  £383.00
     Inc VAT 20%
    You Save:  £76.00
    Stock Info: Item 583109 Available for Next Day Delivery
    (Postage Info)
    Reserve for Collection @ Store

     

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    Sigma HSM 17-50mm F2.8 EX DC Auto Focus Wide Lens Pentax

    Sigma just released their all new AF 17-50mm f/2.8 HSM DC EX Auto Focus Lens. That alone may not be all that exciting - we've seen many fast standard zoom lenses by Sigma come and go - but this one is a bit more special. Recently Sigma announced a couple of lenses featuring their brand new FLD glass and the new 17-50mm f/2.8 OS is among them. FLD glass has an optical characteristic similar to fluorite glass. Such glass elements can be used to compensate optical aberrations (defects) more efficiently than conventional "special" elements such as Sigma's more commonly used SLD glass. Professional Photographers are already impressed by the performance of the Sigma AF 8-16mm f/4.5-5.6 HSM DC which does also benefit from FLD elements so there's some well founded hope that the AF 17-50mm f/2.8 HSM DC stands out-of-the-ordinary as well.

    For Pentax mount, the built-in OS function of this Sigma HSM 17-50mm F2.8 EX DC OS lens can be used even if the camera body is equipped with an image sensor shift anti-shake system. As compensation for camera shake is visible in the viewfinder, the photographer can easily check for precise focus and make sure there is no subject movement. The optical stabilizer OS function is not available for Pentax mounts
     

    Specifications - Sigma HSM 17-50mm F2.8 EX DC Auto Focus Wide Lens Pentax

    Focal length 17-50mm
    Maximum aperture f/2.8
    Minimum aperture f/22
    Lens construction • 13 groups 17 elements
    • 2 FLD glass elements
    Angle of view 72.4°-27.9°
    Closest focus distance 28cm / 11in
    Maximum reproduction ratio 1:5
    Aperture blades 7 (rounded)
    Filter attachment size 77 mm
    AF motor HSM motor
    Dimensions 83.5mm x 91.8.8mm (3.3in × 3.6in)
    Mount Pentax

    Kit Content
    Sigma HSM 17-50mm F2.8 EX DC OS Auto Focus Wide Lens
    Case
    Petal-type Hood (LH825-03)

    For more information about, Sigma HSM 17-50mm F2.8 EX DC Auto Focus Wide Lens Pentax website.

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    This product was added to our catalog on Saturday 24 April, 2010.
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