Features:

-F Mount Lens/FX Format
-Aperture Range: f/2.8 to f/22
-Three FLD Elements
-Super Multi-Layer Coating
-1:1 Magnification, 1.5' Minimum Focus
-Hyper Sonic Motor AF System
-Floating Internal Focus Design
-OS Image Stabilization
-Removable, Rotating Tripod Collar
-Rounded 9-Blade Diaphragm.

Specifications:

-Focal Length: 180mm
-Maximum Aperture: f/2.8
-Minimum Aperture: f/22
-Lens Mount: Nikon F
-Format Compatibility: Full-Frame
-Angle of View: 13.7°
-Minimum Focus Distance: 1.54' / 47 cm
-Maximum Magnification: 1x
-Macro Reproduction Ratio: 1:1
-Optical Design: 19 Elements in 14 Groups
-Diaphragm Blades: 9, Rounded
-Focus Type: Autofocus
-Image Stabilization: Yes
-Tripod Collar: Removable and Rotating
-Filter Size: 86 mm (Front)
-Dimensions (ø x L): 3.74 x 8.03" / 95 x 203.9 mm
-Weight: 3.61 lb / 1640 g