Type: Fixed Length Lens Focus Type: Auto Focus Diameter: 52mm Specifications: Mount Type: Nikon F-Bayonet Focal Length: 40mm Maximum Aperture: f/2.8 Minimum Aperture: f/22 Format: DX Maximum Angle of View (DX-format): 38°50' Maximum Reproduction Ratio: 1.0x Lens Elements: 9 Lens Groups: 7 Compatible Format(s): DX Diaphragm Blades: 7 Distance Information: Yes Super Integrated Coating: Yes AF-S (Silent Wave Motor): Yes Minimum Focus Distance: .53ft.(0.163m) Focus Mode: Auto, Manual, Manual/Auto G-type: Yes Accepts Filter Type: Screw-on Dimensions (Approx.)2.7x2.5 in. ,68.5x64.5mm (Diameter x Length) Weight: (Approx.)9.9 oz. (280g) Features: Reveal Hidden Beauty Carry It With You Everywhere Isolate Your Subjects