Sigma Announces New Wide-Angle 28 - 105 f2.8 DG: Sigma officials today announced the new 28 - 105 f2.8 DG wide-angle large aperture lens. The new optics has specialized multi layer lens coating that reduces flare and ghost, which seems to be a common problem with digital cameras. The aspherical lens design reduces various aberrations throughout the entire zoom range and improves optical performance. The lens is compatible with Sigma, Canon, Nikon, Pentax and Konica Minolta AF mounts. Shelf price looks to be £189.99.
Press Release:
28-105mm F2.8-4 DG A large aperture standard zoom lens that covers wide-angle to telephoto and is ideal for full-frame digital SLR cameras
New and most effective coating used for minimizing flare and ghost. This standard zoom lens covers focal lengths from 28mm to 105mm and allows a large aperture of F2.8 at the 28mm focal length.
The use of aspherical lens reduces various aberrations and improves optical performance. Sigma Corporation is pleased to announce the launch of the new 28-105 F2.8-4 DG lens. This large aperture standard zoom lens provides superior performance both for Digital SLR Cameras and 35mm Film SLR Cameras. This standard zoom lens covers frequently used focal lengths from 28mm to 105mm and allows a large aperture of F2.8 at the 28mm focal length. It is very convenient for a wide range of applications including snap shots, indoor photography. The new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras, and also creates an optimum color balance throughout the entire zoom range. The use of aspherical lens reduces various aberrations throughout the entire zoom range and improves optical performance. This lens has minimum focusing distance of 50cm (19.7 inches) throughout the entire zoom range and it has also maximum magnification of 1:5.5. Because the front of the lens does not rotate, circular polarizing filters and a petal-type hood can easily be used.
THE SPECIFICATIONS:
Focal Length :28-105mm Minimum Aperture :F22 Lens Construction :12 Elements in 11 Groups Angle of View :75.4°- 23.3° Number of Diaphragm Blades :8pcs Minimum Focusing Distance :50cm (19.7â€) Maximum Magnification :1:5.5 Filter Size :72mm Lens Hood :Petal Hood Dimensions :Diameter 77mm (3â€) x Length 81mm (3.1â€) Weight :405gr/14.3oz SRP: :£189.99 Available fittings : Sigma AF Canon AF Nikon AF Pentax AF Konica Minolta AF * The appearance and specifications are subject to change without notice.
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