The built-in motor allows autofocus with all Nikon digital ameras. These lenses incorporate a macro feature with aximum magnification 1:2 at the 300mm focal length. It is suitable for various types of shooting conditions. This telephoto lens has a 1:2 maximum magnification at the 300mm focal length. It is ideal for portraits, sport and other types of photography. SLD (Special Low Dispersion) glass provides excellent correction of chromatic aberration. The super multi-layer coating reduces flare and ghosting. High image quality is assured throughout the entire zoom range. Lens Construction 14 Elements in 10 Groups Angle of View: 34.3 - 8.2 degrees Number of Diaphragm Blades: 9 Blades Minimum Aperture: F22 Minimum Focusing Distance: 95-150cm / 37.4-59.1 in. Maximum Magnification: 1:4.1 (1:2 Macro mode) Filter Size: Diameter 58mm (Rear) Filter Size: Bayonet-type Hood Diameter: 76.6mm Length: 119.5mm Weight: 540g/19 oz.