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Sigma 170-500mm f/5-6.3 APO DG announced - An ultra-telephoto zoom up to 500mm producing high performance with digital or film SLR cameras, featuring new multi-layer lens coating and lens design reduces flare and ghosting. Plus aspherical lenses and SLD glass provide correction for all types of aberration throughout the entire zoom range.
The new multi-layer lens coating and lens design reduces flare and ghosting, and creates an optimum color balance resulting in better picture quality through the entire zoom range on both film and digital SLRs.
This lens uses one aspherical lens and three SLD (Special Low Dispersion) glass elements for excellent correction of chromatic aberration, making high-quality images a reality throughout the entire zoom range.
Since the front of the lens does not rotate during focusing, a circular polarizing filter can easily be attached and used. A lens hood and removable tripod collar are included as standard components.
Focal Length 170-500mm f/5-6.3DG
Minimum Aperture f/32
Lens Construction 13 Elements in 11 Groups
Angle of View 14.5°- 5°
Number of Diaphragm Blades 9pcs
Minimum Focusing Distance 300-320cm (118.1-125.9”)
Maximum Magnification 1:6.6
Filter Size 86mm
Lens Hood Bayonet Type Hood
Dimensions Diameter 92.5mm (3.6”) x Length 232mm (9.1”)
Available fittings Sigma AF, Canon AF, Nikon AF, Pentax AF, Konica Minolta AF