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    Sigma 20mm F/1.8 (Pentax) EX Asph DG DF RF AF Wide Lens

    See our Sigma shop for full range of Sigma products.
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    Manufacturer Code: 411109
    411109 UPC : 411109
    Brand:  Sigma
    RRP:  £489.00
    Sale Price:  £399.00
     Inc VAT 20%
    You Save:  £90.00
    Stock Info: Item 411109 Available for Next Day Delivery
    (Postage Info)
    Reserve for Collection @ Store

     

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    Description - Sigma 20mm EX Asph f/1.8 (Pentax Cameras) DG DF RF AF Wide Lens

    Sigma 20mm F/1.8 lens is one of the best of several Sigma EX series lenses. It is the earliest 20mm super wide-angle (WA) lens in the world of photography with a large aperture and good angle of view. It is a "Macro" lens with macro focusing capabilities. Sigma 20mm F/1.8 Lens covers a minimum focusing distance of 20cm/7.9" and reproduction ratio 1:4. The number of iris diaphragm blades used in Sigma 20mm F/1.8 Lens are 9 in order to obtain beautiful images from a wider distance. Sigma 20mm F/1.8 lens add-in an aspherical lens glass in the front and rear lens groups for curbing distortion, spherical aberration and astigmatism. Sigma 20mm F/1.8 has special optical design for non-vignetting, in order to obtain ample brightness with open aperture. Sigma 20mm F/1.8 lens features a rear focus system avoids front lens rotation and therefore allows the use of a "Perfect Hood" and polarizing filters easy. The Lens also employs dual-focus mechanism. It is convenient to hold the lens since the focusing ring is not rotating during autofocus, still delivers enough focusing torque of the focusing ring during manual focusing.

    Specification- Sigma 20mm EX Asph f/1.8 (Pentax Cameras) DG DF RF AF Wide Lens

    Construction

    11 groups /13 elements

    Angle View -Sigma 20mm

    94.5°

    F stop range

    22

    Closest Focusing Distance

    20cm / 7.9"

    Maximum Magnification

    1:4

    Filter Size -Sigma 20mm

    82mm

    Dimensions (Length x Diameter)  

    88.5mm x 87mm / 3.5" x 3.4"

    Weight

    520gm/18.3oz

    Lens Type Wide Angle
    Lens Fit -Sigma 20mm Pentax
    Focus Auto

    Kit Content
    Sigma 20mm EX f/1.8 Asph DG DF RF AF Wide Lens (Pentax Cameras)
    Original Hood
    User Guide
    Front & back Lens caps

    For more information about, Sigma 20mm F/1.8 (Pentax) EX Asph DG DF RF AF Wide Lens website.

    Customer Reviews on Sigma 20mm F/1.8 (Pentax) EX Asph DG DF RF AF Wide Lens
    £399.00

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    This product was added to our catalog on Monday 02 August, 2004.
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