Nikon 12 - 24mm f/4.0G ED-IF DX Autofocus Zoom Lens for Digital SLR Cameras

Features
DX Nikkor is designed exclusively for use with Nikon Digital SLR models,
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 center-to-edge-to-corner 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

 
Specifications
Construction 7 Groups/ 11 Elements 2ED
Angle of view (Nikon Digital SLR): 99-61 degrees
Closest Focusing Distance 11.8"
Maximum Magnification 1:8.3
Filter Size 77mm
Dimensions (Length x Diameter) 3.5 x 3.2 "
Weight 1.07 lbs