HSM has now been added to the Nikon fit 17-70mm F2.8-4.5 DC MACRO HSM and 18-50mm F2.8 EX DC MACRO HSM, allowing autofocus with all Nikon DSLR cameras.
2007.7.25
The Sigma Corporation is pleased to announce the launch of the new 17-70mm F2.8-4.5 DC MACRO HSM for Nikon and 18-50mm F2.8 EX DC MACRO HSM for Nikon.
Large aperture standard zoom lens designed specially for digital SLR cameras.
17-70mm F2.8-4.5 DC MACRO HSM for Nikon
The HSM is incorporated into this large aperture standard zoom lens for digital SLR cameras.This lens is capable of autofocusing with all Nikon DSLR cameras and has a minimum focusing distance of 20cm (7.9") and maximum magnification of 1:2.3 enabling close-up photography. A Special Low Dispersion (SLD) glass and Aspherical lens allows a compact construction and high optical performance.

*Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.
THE SPECIFICATIONS
*Lens Construction:15 Elements 12 Groups *Angle of View:79.7-22.9 degrees *Number of Diagram Blades:7 Blades *Minimum Aperture (W):F22 *Minimum Focusing Distance:20cm (7.9") *Maximum Magnification:1:2.3 *Filter Size:72mm *Lens Hood:Petal Type *Dimensions:79mm(3.1") x 80mm(3.1") *Weight:490g(17.3oz) *Barcode No.00-85126-68959-9
Large aperture zoom lens designed specially for use with digital SLR cameras with a minimum focusing distance of 20cm (7.9")
18-50mm F2.8 EX DC MACRO HSM for Nikon
The HSM is incorporated into this large aperture standard zoom 18-50mm F2.8 EX DC MACRO. This lens is capable of autofocusing with all Nikon DSLR cameras. Aspherical lens, SLD (Special Low Dispersion) glass and ELD (Extraordinary Low Dispersion) glass provide high picture quality throughout the entire zoom range. Super Multi Layer Coating reduces flare and ghosting. High image quality is assured throughout the entire zoom range. Layer Coating and lens power layout provide high picture quality throughout the entire zoom range.

*Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.
THE SPECIFICATIONS
*Lens Construction:15 Elements 13 Groups *Angle of View:76.5-31.7 degrees *Number of Diagram Blades:7 Blades *Minimum Aperture:F22 *Minimum Focusing Distance:20cm (7.9") *Maximum Magnification:1:3 *Filter Size:72mm *Lens Hood:Petal Type *Dimensions:79mm(3.1") x 83.2mm(3.3") *Weight:535g(18.9oz) *Barcode No.00-85126-58259-3
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