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    8mm F3.5 EX DG CIRCULAR FISHEYE

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    Large aperture F3.5 circular
    fisheye lens with close up capability,
    optimized for use
    with digital SLR cameras.

    This circular fisheye lens produces circular images with an angle of view of 180°when attached to a full-frame digital SLR or 35mm film SLR camera. It has a fast maximum aperture of F3.5 and a minimum focusing distance of 13.5cm (5.3″). Sigma’s super multi-layer coating and Special Low Dispersion (SLD) glass provide excellent image quality for digital and film SLR cameras. The special fisheye design allows maximum creative expression.

    * Full circle can only be captured with full frame 35mm format digital SLR and film SLR cameras.

    Features

    Auto-focus system

    This circular fisheye lens produces circular images with an angle of view of 180°and also incorporates an auto focus system to achieve accurate focusing that might be difficult through the camera`s viewfinder due to the extremely large depth of field.

    Reduction of flare and ghosting

    Sigma’s super multi-layer lens coating reduces flare and ghosting, a common problem with digital cameras and also creates an optimum color balance.

    F3.5 maximum aperture

    This lens is perfectly suited for low light conditions indoors or at dusk.

    Close-up Photography

    This circular fisheye lens has a minimum focusing distance of 13.5cm (5.3″) and a maximum magnification of 1:4.6 making it particularly useful for close-up photography.

    An ideal lens for scientific applications

    Due to the quantifiable angle/area relationship it produces, this lens can be used for scientific applications such as solid angle measurements of cloud distribution over the sky, or vegetation distribution of the rain forest canopy.

    Excellent optical performance

    Special Low Dispersion (SLD) glass offer effective compensation of color aberration.

    Gelatin Filter Holder

    A holder at the rear of the lens accepts gelatin filters.

    Specifications

    8mm F3.5 EX DG CIRCULAR FISHEYE

    Lens Construction

    • SLD glass

    Lens Construction

    11 elements in 6 groups

    Angle of View

    • 180°

    Number of Diaphragm Blades

    6 Blades

    Minimum Aperture

    F22

    Minimum Focusing Distance

    13.5cm

    Maximum Magnification Ratio

    1:4.6

    Filter size

    Rear (Gelatin filter)

    Dimensions (Diameter × Length)

    • ⌀73.5mm × 68.6mm / ⌀2.9in. × 2.7in.
    • *The length of a lens is measured from the filter surface to its mount.

    Weight

    • 400g / 14.1oz.

    Supplied Accessories

    Lens case

    Corresponding AF Mount / Barcode No.

    • Nikon F Mount
      00-85126-48559-7

    Performance / Data

    MTF Chart

    The MTF chart gives the result at the wide-open aperture
    Spatial frequency S:Sagittal Line M:Meridional Line
    10lp/mm
    30lp/mm

    MTF chart guide

    Product Lineup

    8mm F3.5 EX DG CIRCULAR FISHEYE

    Supplied Accessories

    Lens case

    Barcode No.
    00-85126-48559-7
    Contact

    Support

    8mm F3.5 EX DG CIRCULAR FISHEYE

    Accessories

    Supplied Accessories

    COVER LENS CAP LC735-02

    Barcode No.
    00-85126-93314-2
    Contact

    REAR CAP LCR Ⅱ

    * The image is for SIGMA.

    • Nikon F mount

      Barcode No.
      00-85126-92950-3
      Contact

    • Canon EF mount

      Barcode No.
      00-85126-92951-0
      Contact
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