Sigma 105 mm f/2.8 Macro Lens for Nikon F

In The Box:Sigma 105mm f/2.8 EX DG OS HSM Macro LensHood AdapterLens HoodFront & Rear Lens CapsFeatures:Large aperture macro lensOptical stabilization compensates for camera shake Carrying case, lens hood, front & rear capsThis large aperture medium telephoto macro lens offers advanced performance of close-up photography. Sigmas own proprietary OS (Optical Stabilizer) system enables handheld close-up photography. A Special Low Dispersion (SLD) lens and one high refractive index SLD lens provide excellent correction for all types of aberration and distortion. A floating focusing system moves two different lens groups in the optical path to different positions. This system compensates for astigmatic aberration and spherical aberration and provides extremely high optical performance from infinity to 1:1 Macro.The Super Multi-Layer Coating reduces flare and ghosting, providing high contrast images. It is also possible to use this lens with Sigmas APO TELE CONVERTERS. The HSM (Hyper Sonic Motor) ensures quiet and high speed autofocus as well as full-time manual focus capability. This lens features a rounded 9 blade diaphragm creating an attractive blur to the out of focus areas of the image.Specifications:Angle of View23.3 degreesNumber of Diaphragm Blades9Minimum Aperturef22Minimum Focusing Distance31.2 cm / 12.3 inFilter SizeDiameter 62mmMaximum Magnifications1:1CompatibilityCanon EOS DSLR CamerasDimensions (Diameter x Length)126.4mm x 78.3mm / 5.0 in. x 3.1 in.Weight725g / 25.6oz.