PRODUCT FEATURES:Fast, ultra wide-angle AF-S zoom lens optimized for edge-to-edge sharpness on both the Nikon FX and DX format image sensorsEnhanced optical formulas, engineered to produce exceptional sharpness, contrast and color, rendering outstanding image integrityTwo ED (extra-low dispersion) elements and PGM aspherical lenses control chromatic aberrations, while enhancing sharpness and contrast, even at the widest aperture settingsExclusive Nano Crystal Coat further reduces ghosting and flare for even greater image clarityNikon's Silent Wave Motor (SWM) enables ultra high-speed autofocusing with exceptional accuracy and powerful, super-quiet operationInternal Focus (IF) provides fast and quiet autofocusing without changing the length of the lens, retaining subject-working distance through the focus rangeRugged construction and professional-grade dust and moisture resistanceM/A Focus Mode switch enables quick response to changing situations between Auto and Manual focus operation
Update : 2010-03-11 23:12:48