Sigma has unveiled two new HSM lenses for Nikon DSLR cameras - the 18-50mm F3.5-5.6 DC HSM and 55-200mm F4-5.6 DC HSM. The Sigma HSM lenses provide quiet and high-speed auto focusing with all Nikon DSLR cameras. The Sigma 18-50mm HSM lens will cost £129.99, and the Sigma 55-200mm HSM lens £159.99 in the UK.

Sigma Press Release

18-50mm f/3.5-5.6 DC and 55-200mm f/4-5.6 DC now with HSM for Nikon digital SLR cameras

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.

The inclusion of HSM (Hyper Sonic Motor) into the 18-50mm F3.5-5.6 DC and 55-200mm F4-5.6 DC, originally released to the market in November 2003, now allows quiet and high-speed auto focusing with all Nikon DSLR cameras.

18-50mm F3.5-5.6 DC HSM for Nikon
This zoom lens has been designed to suit the characteristics of digital SLR cameras. The lens is compact with a maximum diameter of 69.6mm, overall length of 60mm and weighing only 250grams. It has a variable angle of view of 76.5°- 31.7°. The use of aspherical lenses provides correction for various aberrations to produce a high level of optical performance throughout the entire zoom range. The 18-50mm F3.5-5.6 DC HSM lens has a minimum focusing distance of 25cm at all focal lengths and is capable of close up photography with a maximum magnification ratio of 1:3.5.

THE SPECIFICATIONS
Focal Length 18-50mm
Minimum Aperture F22
Lens Construction 8 Elements in 8 Groups
Angle of View 76.5°- 31.7°
Number of Diaphragm Blades 7pcs
Minimum Focusing Distance 25cm (9.8”)
Maximum Magnification 1:3.5
Filter Size 58mm
Lens Hood Bayonet Hood
Dimensions Diameter 69.6mm (2.7”) x Length 60mm (2.3”)
Mounts (AF) Nikon (D)
Weight     250grams
SRP                 £129.99

55-200mm F4-5.6 DC HSM for Nikon
This compact telephoto zoom lens is exclusively designed for use with digital SLR cameras. The image circle is designed to match that of APS-C size image sensors. The lens is compact and lightweight with an overall length of 84.6mm and weight of only 310grams. It has a filter size of 55mm and maximum diameter of 71mm. This remarkably compact high performance zoom lens is ideally suited to a wide range of subjects. This lens has a minimum focusing distance of 110cm and maximum magnification of 1:4.5.

THE SPECIFICATIONS
Focal Length 55-200mm
Minimum Aperture F22
Lens Construction 12 Elements in 9 Groups
Angle of View 29.0°-8.1°
Number of Diaphragm Blades 8pcs
Minimum Focusing Distance 110cm (43.3”)
Maximum Magnification 1:4.5
Filter Size 55mm
Lens Hood Bayonet Hood
Dimensions Diameter 71mm (2.8”) x Length 84.6mm (3.3”)
Mounts (AF) Nikon (D)
Weight     310grams
SRP                 £159.99

? Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras.
? The appearance and specifications of the product are subject to change for improvement without notice.

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