Hi. For sale Sigma 50-500mm f/4-6.3 EX DG HSM Autofocus Lens for Nikon AF-D. Mint condition (no dents, scratches). Still under warranty until June 2013. Includes Hoya UV filter (86mm), front and rear lens cap, lens hood, shoulder strap, tripod collar, lens case, original instruction, warranty card, proof of purchase (B&H). I woud love to get $800 but the price is negotiable.