Sigma 18-50mm DC HSM and 55-200mm DC HSM lenses launched

Press release:
Sigma Corporation is pleased to announce the launch of the new 18-50mm f/3.5-5.6 DC HSM  and 55-200mm f/4-5.6 DC HSM for Nikon. The Incorporation of HSM enables these lenses to  autofocus with all Nikon DSLR cameras (including the D40 and D40x)

The Sigma 18-50mm f/3.5-5.6 DC HSM
The HSM is incorporated into the compact standard zoom lens 18-50mm F3.5-5.6 DC giving this lens the capability to auto focusing with all Nikon DSLR cameras (including the D40 and D40x).  An aspherical lens and Super Multi Layer Coatings are used to achieve excellent lens performance and High image 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.

SPECIFICATIONS

• Lens Construction: 8 Elements 8 Groups
• Angle of View: 76.5-31.7 degrees
• Number of Diagram Blades: 7 Blades
• Minimum Aperture (W): f/22
• Minimum Focusing Distance: 25cm (9.8")
• Maximum Magnification: 1:3.5
• Filter Size: 58mm
• Lens Hood: Bayonet Type
• Dimensions: 69.6x60mm
• Weight: 250g

The Sigma 55-200mm f/4-5.6 DC HSM
This compact and lightweight telephoto zoom lens 55-200mm f/4-5.6 DC incorporates the HSM system, making it capable of autofocusing with all Nikon DSLR cameras(including the D40 and D40x). 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.

SPECIFICATIONS

• Lens Construction: 12 Elements 9 Groups
• Angle of View: 28.9-8.1 degrees
• Number of Diagram Blades: 8 Blades
• Minimum Aperture (W): f/22
• Minimum Focusing Distance: 110cm
• Maximum Magnification: 1:4.5
• Filter Size: 55mm
• Lens Hood: Bayonet Type
• Dimensions: 71x84.6mm
• Weight: 310g