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AF-S 12-24mm DX f/4.0G IF-ED Major Features 12-24mm ultra-wide angle G type* zoom lens equivalent to a 135 format 18-36mm ED (Extra low Dispersion) glass elements minimize chromatic aberration to provide higher resolution and superior contrast Three aspherical lens elements minimize distortion especially at the periphery for superior optical performance Nikon’s exclusive SWM for swift auto focusing with superior accuracy and ultr-quiet operation The rounded diaphragm (7 blades) makes out-of-focus elements appear more natural High grade Nikon Super Integrated Coating (SIC) offers superior colour reproduction and minimizes ghost and flare Internal Focusing (IF) design for smoother focusing and great body balance M/A mode allows rapid switching to Manual focus even during AF servo operation with virtually no time lag Flower-shaped Lens Hood HB-23 (provided) greatly reduces stray light G-type lens with no aperture ring (set aperture on camera body) Modern cosmetic design that matches current AF-S Nikkor lenses Optional protective lens case CL-S2 available Specifications Focal length: 12-24mm (18-36mm equiv. with D100, D1 series) Zoom ratio: 2x Maximum aperture: f/4 (all focal lengths) Aperture range: f/4 to f/22 Lens construction: 11 elements in 7 groups ED glass elements: 2 Aspherical elements: 3 Diaphragm blades (rounded): 7 Picture angle: 99° - 61° (with D100/ D1 series) Focus distance: 0.3m to infinity Focus method: IF (Internal Focus) Max. reproduction ratio: 1 / 8.3 Attachment size: 77mm (fixed) Hood: HB-23 bayonet (included) Dimensions (mm): Ø82.5 x 90 Weight: 485g Price: As of August 2003, ~$1,000 USD (was ~$1,250 March 2003)