Sigma 12mm-24mm f/4.5-5.6 EX DG Aspherical HSM Autofocus Super Wide-Angle Zoom Lens, for Nikon AF Cameras - USA Warranty

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About Sigma

Fully compatible with all Nikon Digital SLR cameras including the D40 and D40X, the large angle of view of the Sigma 12-24 4.5/5.6 EX DG ASPH Zoom (122 degree super wide angle of view at 12mm along the diagonal axis) is ideal for shooting indoors as well as landscape photography. It has a variable angle of view from 122 degrees to 84.1 degrees.

Four Special Low Dispertion (SLD) glass elements are provided for effective compensation of color aberration, which is a common problem with super-wide angle lenses. Two pieces of Glass Mold and one-piece Hybrid aspherical lenses offer excellent correction for distortion as well as all types of aberration.

By effective arrangement of lens elements and advanced technology this lens has Super Compact dimensions of 100mm full-length, and 87mm Maximum Diameter. It is equipped with an Inner Focusing System that will keep the length of the lens unchanged, while controlling aberration.

The models which are equipped with the HSM (Hyper Sonic Motor) System (only in Nikon, Canon and Sigma Camera Mounts) offer Full Time Manual Focusing. It has a minimum focusing distance of 28mm at all focal lengths. This lens is equipped with an integral Petal-Type Hood, to block out extraneous light.

Sigma Features

  • Fully compatible with all Nikon Digital SLR cameras including the D40 and D40X
  • First Zoom lens that has 122 degree Diagonal Angle of View at 12mm Focal length !
  • Variable Angle of View, from 122 degrees to 84.1 degrees
  • Equipped with 4 piece SLD glass elements and 3 pcs. Aspherical lenses, producing a high level of optical performane.
  • Inner Focusing System insures the length of the lens remains unchanged, whilst controlling Aberration.
  • HSM System (in Sigma Nikon & Canon Camera mounts only) with Full Time Manual Focus.
  • Minimum Focusing Distance of 28cm at all focal lengths.
  • EX DG Series , the Ideal lens for Digital SLR Cameras

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