The Sigma AF 170-500 mm f/ 5-6.3 APO DG
Minimum focusing distance 3 -3.2 m
Angle of view 14.5° - 5°
Diameter 92.5 mm.
The Sigma AF 170-500mm F5-6.3 APO DG is a telephoto zoom lens optimized for DSRL cameras.
The optical scheme of the lens includes 13 elements in 11 groups, including one aspherical lens and three SLD (Special Low Dispersion) elements. The lens has a new multilayer coating.
Internal rear focusing, the front lens is non-rotating.. A tripod mount ring and a hood are included with the lens.
Posted by: mysterion Date of publication: 28.09.2011