News tagged with "sigma"
Sigma has announced a new telephoto lens to add to its DG range with the 135 - 400mm F4.5-5.6 optic. The multi-layered-coated lens, designed to reduce flare and ghosting, has SLD (Special Low Dispersion) glass elements that provide correction for all types of aberration throughout the entire zoom range. Its rear focus system ensures high performance stability and ease of use. The price will be £479.99.
Sigma has today announced two tele-converter lenses the APO tele converter 1.4x EX DG and APO tele converter 2x EX DG. The tele converters are mounted between the camera body and the lens to increase the focal length by 1.4x or 2x. Both have a multi-layer lens coating to reduce flare and ghosting, won't compromise the quality of the other lens in use and high speed auto focus is retained when the converters are used.
Sigma has announced new addition to its digital optimized DG range of zoom lenses in the form of the APO 70-200mm F2.8 EX DG/HSM. This fast telephoto zoom sports a fixed F2.8 aperture throughout the range, HSM technology for high speed silent focus and four SLD (Special Low Dispersion) glass elements. A new 'digitally optimized' coating is claimed to minimize flare and ghosting when used on a D-SLR, and the lens will be available in Sigma AF, Canon EF, Nikon D, Konica Minolta and Pentax AF mounts.
Hot on the heels of the optic launched yesterday Sigma has announced the ultra-telephoto 50-500mm F4-6.3 EX DG/HSM lens, which is also optimized for digital SLRs. It has a new lens coating which reduces flare and ghost and also creates an optimum color balance. It also features HSM （Hyper Sonic Motor）which provides a quiet high speed AF function, a zoom lock switch and has four pieces of SLD (Special Low Dispersion) glass for correcting color aberration. It costs £899 and will fit SLRs with Sigma, Canon, Konica Minolta, Pentax and Nikon-D mounts.
Sigma has today announced a telephoto macro lens optimized for use with digital cameras. The Sigma 180mm f3.5 APO EX DG lens has a life-sized reproduction ratio and is an HSM model, which guarantees fast and silent auto focusing as well as full time manual focus. It is compatible with Sigma, Canon, Nikon-D, Pentax and Konica Minolta D-SLRs and will be priced £549.