How much does this cost to the nearest dollar?

28mm F1.4 DG HSM/Art Nikon Mount
28mm F1.4 DG HSM The new Sigma wide-angle model stands out with its thoroughly corrected magnification chromatic aberration and sagittal coma flare, as well as completely minimized distortion thanks to its optical design. t features water- and oil-repellent coating on the front lens element and its overall dust- and splash-proof structure ensures excellent performance even in the most challenging shooting conditions. The high-speed AF, thanks to the HSM (Hyper Sonic Motor) with an updated algorithm, captures the perfect moment instantly Dimensions 5.12 x 3.15 x 3.15 inches, Weight 0.16 ounces, model number Rank SLR Camera Lenses 1007, Is Discontinued No,

Price is $665.00
Price: $665