Features: Designed for Nikon D-Series digital SLR Design enables a combination of wider angle-of-view with optical characteristics that are optimized for Nikon digital SLR camera sensors 2x Zoom ratio and variable angle-of-view from 99 degrees at 12mm to 61 degrees at 24mm. Comparable to that of an 18-36mm lens on 35mm size sensor format Nikon design that produces a smaller image circle (the size of the image that is projected by the lens on to the sensor) enabling smaller lens diameter, and optimal image quality from on the image Exclusive Silent Wave Motor enables ultra-high-speed autofocusing with exceptional accuracy and powerful super-quiet operation 2 Extra-Low Dispersion (ED) glass elements for minimized chromatic aberration 3 Aspherical lens element for low distortion Internal Focusing (IF) design for smoother focusing and great body balance M/A mode enables instant switching from autofocus to manual with virtually no time lag even during AF servo operation Nikon D-type design provides precise distance information for flash and ambient light exposure processes Rounded diaphragm to make out-of-focus elements appear more natural DX Nikkor is designed exclusively for use with Nikon Digital SLR models 11.8 close focusing distance throughout zoom range Item Specifications: Product Description: Nikon Zoom-Nikkor wide-angle zoom lens - 12 mm - 24 mm Lens System: Wide-angle zoom lens Mounting Type: Nikon F Lens Aperture: F/4.0 Focal Length: 12 mm - 24 mm Optical Zoom: 2 x Min Focus Range: 11.8 in Focus Adjustment: Automatic, manual Lens Construction: 7 group(s) / 11 element(s) Special Functions: Wide angle, zoom Filter Size: 77 mm Length: 4 in Weight: 17.1 oz