Sigma Apo 300-800mm f/5.6
Sigma announce APO 300-800mm F5.6 EX DG HSM lens. This digitally optimized lens covers the ultra-telephoto range up to 800mm and has a fast maximum aperture. Its new lens coating reduces flare and ghost, which is a common problem with digital cameras. It incorporates two ELD (Extraordinary Low Dispersion) glass elements for effective compensation of chromatic aberrations and also ensure sharp, quality images.
Since focusing and zooming do not change its overall length, this lens offers ease of handling and operation. The HSM ensures a quiet, high-speed AF function as well as full-time manual focusing capability for Sigma, Canon, and Nikon mount lenses. A 46mm filter can be inserted near the rear of the lens, and a circular polarizing filter can be used in situ. When this lens is used with the 1.4x EX or 2x EX Apo Tele Converters (optional), it becomes a 420-1120mmF8 MF lens or a 600-1600mm F11 MF lens respectively.
Focal Length 300-800mm
Minimum Aperture f/32
Lens Construction 18 Elements in 16 Groups
Angle of View 8.2- 3.1
Number of Diaphragm Blades 9pcs
Minimum Focusing Distance 600cm(236.2)
Maximum Magnification 1:6.9
Filter Size 46mm (drop-in type)
Lens Hood Bayonet Hood
Dimensions Diameter 156.5mm (6.1) x Length 544mm (21.4)
Fittings Sigma, Canon and Nikon-D