Opteka 500mm f/8 High Definition Telephoto Mirror Lens for Nikon Digital & Film SLR Cameras

High definition optics produce sharper, more intense picturesIncredibly compact and lightweight, Fully Multi-coated, Manual FocusSoft pouch and three (3) rear mounted, 30.5mm filters, (ND-2X, ND-4X & Skylight)May be combined with the Opteka 2X Multiplier for 1000mm Zoom (Sold separately - Amazon Item Code: B000JSZ41S)10 Year Warranty
Product DescriptionThe Opteka manual focus mirror lens is incredibly compact and lightweight. Using an advanced reflex design, this is a mirror lens that is

Source: Digital Camera and Video Store...