How much does this cost to the nearest dollar?

Sigma 135 400mm DG RF APO Aspherical Ultra Telephoto Zoom Lens for Sigma SLR Cameras
This compact ultra-telephoto zoom lens is optimized for digital SLR cameras. It is ideal for sports, nature, wildlife, and landscape photography. The new multi layer lens coating and lens design reduce flare and ghost, and also creates an optimum color balance and better picture quality through the entire zoom range. This lens uses one aspherical lens and three SLD (Special Low Dispersion) glasses for excellent correction of various chromatic aberrations. It provides excellent image quality for digital and film SLR cameras. Flare and Ghosting The new multi-layer lens coating and lens design reduces flare and ghosting, and creates an optimum color balance through the entire zoom range It is incorporated with

Price is $599.00

Price: $599