TOKINA  AF-193 19~35mm f/3.5~4.5 Lens ? Nikon Accepts 77mm size filters Focal length - 19mm ~ 35mm &gt;LI&gt;Maximum aperture - f/3.5 to 5.6 Optical Construction - 13 elements in 11 groups Angle of View - 98&deg; 40' to 63&deg; 30' Overall length - 3.0 inches