According to official Nikon Asia and Nikon Hong Kong documentation: Specification f/1.4 to f/16 Optical Design 8 elements in 7 groups Minimum Focus Distance 0.45 m (1.5 ft.) Filter Size Dimensions ~73.5 x 54.2 mm Diaphragm Blades 9 (rounded) Performance Considerations

: Weighing only approximately 280g (9.9 oz), it is a "go-anywhere" lens that balances perfectly on both professional DSLRs and smaller entry-level bodies.

: The AF-S designation means it includes an internal autofocus motor, allowing it to autofocus on all Nikon DSLRs, including those without internal focus drives like the D3000 or D5000 series. Technical Specifications