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| Sigma 12-24mm f/4.5-5.6 EX DG IF HSM Aspherical Ultra Wide Angle Zoom Lens for Nikon SLR Cameras |
The turgid view angle of the Sigma 12-24 4.5 5.6 EX DG ASPH Zoom (122 degree super wide view angle at 12mm over the diagonal axis) is suitable for shooting indoors and also landscape photography. It has a variable view angle from 122 degrees to 84.1 degrees. Four Special Low Dispertion (SLD) glass elements are provided for efficient recompense of color distortion, which is a common trouble with super-wide angle lenses.
Technical Details
- Ultra wide angle zoom lens offers 122 degree view along the diagonal axis
- 12-24mm focal length
- f4.5-5.6 maximum aperture
- Super Multi Coating reduces flare and ghosting
- Hyper Sonic Motor
Two parts of Glass Mold and one piece Hybrid aspherical lenses propose the best choice correction for distortion including all types of aberration. By effective mix of lens elements and promoted technology this lens has Super Compact proportions of 100mm uncut, and 87mm Maximum Diameter. It is equipped with a Inner Focusing System that will hold on the length of the lens unchanged, while operating aberration. The models which include the HSM (Hyper Sonic Motor) System (only in Nikon, Canon and Sigma Camera Mounts) extend Full Time Manual Focusing. It has a minimal focusing distance of 28mm in the least focal distance. This lens is equipped through an inbuilt Petal-Type Hood, to cancel out outside light.
Features :
- First Telephoto lens that has 122 degree Diagonal Angle of View at 12mm Focal length!
- Variable View Angle, from 122 degrees to 84.1 degrees Equipped with 4 piece SLD glass components and 3 pcs. Aspherical lenses, producing a high level of opthalmic performane.
- Inner Focusing System secures the length of the lens rests unaltered, whilst controlling Aberration. HSM System (in Sigma Nikon & Canon Camera supports only) relating to Full Time Manual Focus.
- Minimum Focusing Distance of 28cm in the least focal distance. EX DG Series, the Ideal lens for Digital SLR Cameras Lens Technology Explained : ASP (Aspherical Lens) The aspherical lens complex permits freedom of design, upgraded success, a decreased great deal of component lenses and a compact size. HSM (Hyper-Sonic Motor) This lens utilises a motor motored by supersonic.
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