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  1. #1
    Captain of the Ship Photo-John's Avatar
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    Aug 2001
    Salt Lake City, Utah, United States

    Sigma APO 135-400mm F4.5-5.6 DG Lens - Press Release

    Sigma APO 135-400mm F4.5-5.6 DG
    Compact ultra-telephoto zoom lens, optimized for digital SLR cameras.

    • The new multi layer lens coating and lens design reduce flare and ghosting.
    • An aspherical lens and SLD glass elements provide correction for all types of aberration throughout the entire zoom range.
    • The rear focus system ensures fast AF speed.

    Sigma Corporation is pleased to announce the launch of the new APO 135-400mm F4.5-5.6 DG lens. This compact ultra-telephoto zoom lens is optimized for digital SLR cameras. The new multi layer lens coating and lens design reduce flare and ghost, and also creates an optimum color balance and better picture quality through the entire zoom range. This lens uses one aspherical lens and three SLD´╝łSpecial Low Dispersion´╝ë glasses for excellent correction of various chromatic aberrations. It provides excellent image quality for digital and film SLR cameras. Rear focus system ensures high performance stability and ease of use. Since the front of the lens does not rotate during focusing, a circular polarizing filter can be easily attached and use. A removable tripod collar is included as a standard component.

    Focal Length135-400mm
    Minimum ApertureF32
    Lens Construction13 Elements in 11 Groups
    Angle of View18.2┬░- 6.2┬░
    Number of Diaphragm Blades9pcs
    Minimum Focusing Distance200-220cm (78.7-86.6")
    Maximum Magnification15.3
    Filter Size77mm
    Lens HoodBayonet Type Hood
    DimensionsDiameter 83.5mm (3.3") x Length 183.6mm (7.2")

    Available for Canon, Nikon, Pentax, and Konica Minolta auto focus digital SLRs.

    For more information, please visit
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