135mm f/1.8 DG HSM ART Lens for E, Black, Bundle with ProOptic 82mm Filter Kit, Flex Lens Shade, Cleaning Kit, Lens Wrap, Lens Cap Tether, Mac Software Kit

35mm Equivalent Focal LengthN/A CoverageN/A Minimum Aperturef/16 Maximum Aperturef/1.8 Maximum Magnification1:4.3 Lens CoatingN/A Aspherical ElementsN/A ED Glass ElementsN/A Filter Size82mm Lens Elements / Groups13 Elements / 10 Groups Diaphragm Blades9 (Rounded diaphragm) Dimensions3.6 x 4.5" (91.4mm � 114.9mm) Weight40.9oz /1130g Image Stabilization TypeNone Tripod CollarN/A Waterproof / aqua ResistantN/A Dust ResistantN/A. BrandSigma Lens SeriesSigma DG, ART ColorBlack Lens TypeTelephoto Lens MountSony NEX Format CompatibilityFull Frame Focus TypeAuto Focus Focusing TechnologyN/A Closest Focus Distance34.4" / 87.5cm Distance InformationN/A Built-In MotorN/A Focal Length135mm Angle Of View18.2 deg