How much does this cost to the nearest dollar?

Sigma F/1.8 DC HSM Lens for Canon APS-C DSLR Cameras (Renewed)
Truly a revolutionary product, the Sigma 1.8 DC HSM is the first wide-angle to standard zoom lens to achieve a large aperture of 1.8. Designed specifically for APS-C sized sensors, the Sigma 1.8 translates to on 35mm camera. Tapping into Sigma’s long history of lens innovations, the 1.8 DC HSM incorporates a wide glass molded aspherical lens with Special Low Dispersion (SLD) glass to compensate for aberrations and curvature at the widest angle. Internal focusing and zooming allows for more usability and functionality. The is ideal for landscapes, portraits, still life, snap shots, casual, and close-ups and the

Price is $648.00
Price: $648