Sigma 18-250mm F3.5-6.3 DC Macro HSM Lens for Pentax (883109) Includes 3 Piece Filter Set (UV-CPL-FLD) + Deluxe Cleaning Kit + Air Dust Blower + Cap Keeper Prints High performance & compact with great zoom ratio. Made with Thermally Stable Composite material. Equipped with Super Multi-Layer Coating to reduce flare and ghosting. Brass-made bayonet mount to reinforce strength for long-term use. Compact Construction. Tough Exterior, yet Quality Interior. TSC material has been used to keep it strong and resistant to weathering effects. Whether you're on a macro product shoot, a walk in the park, or have a wedding to go to, this lens will help you shoot high quality images in any situation. 47th Street Photo is an Authorized Sigma USA Dealer. This item is covered by 4 Year Sigma USA Warranty.