The Incorporation of HSM is capable of autofocusing with all Nikon DSLR cameras18-50mm F3.5-5.6 DC HSM for Nikon
55-200mm F4-5.6 DC HSM for Nikon

2007.6.27
The Sigma Corporation is pleased to announce the launch of the new 18-50mm F3.5-5.6 DC HSM for Nikon and 55-200mm F4-5.6 DC HSM for Nikon. Compact and lightweight standard zoom lens, incorporated with HSM

18-50mm F3.5-5.6 DC HSM for Nikon
The HSM is incorporated into this compact and lightweight standard zoom lens 18-50mm F3.5-5.6 DC. This lens is capable of autofocusing with all Nikon DSLR cameras. Aspherical lens and Super Multi Layer Coating are used for excellent lens performance. High image quality is assured 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:8 Elements 8 Groups *Angle of View:76.5-31.7 degrees *Number of Diagram Blades:7 Blades *Minimum Aperture (W):F22 *Minimum Focusing Distance:25cm (9.8") *Maximum Magnification:1:3.5 *Filter Size:58mm *Lens Hood:Bayonet Type *Dimensions:69.6mm(2.7") x 60mm(2.4") *Weight:250g (8.8 oz) *Barcode No.0085126-551551
Telephoto zoom lens incorporated HSM takes the footwork out of photography
55-200mm F4-5.6 DC HSM for Nikon
The compact and lightweight telephoto zoom lens 55-200mm F4-5.6 DC incorporates HSM, making it capable of autofocusing with all Nikon DSLR cameras. This compact telephoto zoom lens is suitable for field work. Super Multi 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:12 Elements 9 Groups *Angle of View:28.9-8.1 degrees *Number of Diagram Blades:8 Blades *Minimum Aperture (W):F22 *Minimum Focusing Distance:110cm (43.3") *Maximum Magnification:1:4.5 *Filter Size:55mm *Lens Hood:Bayonet Type *Dimensions:71mm(2.8") x 84.6mm(3.3") *Weight:310g (10.9 oz) *Barcode No.0085126-685553
Copyright 1999-2007 SIGMA CORPORATION All right reserved.

Link:Official Announcement