Sigma 80-400mm APO OS Nikon - Description:
Sigma 80-400 for Nikon AF lens has two SLD (Special Low Dispersion) glass elements in the front lens group and one in the rear lens group for correction of chromatic aberration throughout the entire Sigma 80-400 zoom range.

Rear focus and zoom lock switch
The rear focus eliminates the need for the front of the Sigma lens to rotate, thus allowing the use of circular polarizing filter.A zoom lock switch is built in to prevent the lens from extending due to its own weight, and the lens is easier to use.

Optional APO Tele-Converter EX Series Compatiblity
It is also possible to use this lens with Sigma 1.4x EX DG and 2x DG EX APO Tele-Converter to make ultra tele-zoom.With the optional APO tele-converter 1.4x EX, it works as a manual focus tele-zoom lens from 112mm to 560mm F6.3-8. With APO tele-converter 2.0x EX, it works as a manual focus tele-zoom lens from 160mm to 800mm F9-11.

Main Feature

It fits all Nikon Digital and Film Auto Focus series,
Lens Construction :20 Elements in 14 Groups
Angle of View :30.3 - 6.2 degrees
Number of Diaphragm Blades :9 Blades
Minimum Aperture F32
Minimum Focusing Distance 180cm
Maximum Magnification 01:05
Filter Size 77mm
Dimensions Diameter 95mm X Length 192mm
Weight of sigma 80-400 is 1750g

Accessories includes

sigma rear and front caps, soft case, box, instruction manaul,strap.