Vivitar 500mm f/8 Telephoto Lens For Nikon Digital SLR Camera - Fixed This 500mm Telephoto lens is perfect for wildlife, nature, sports, and landscape photography. who wants to be hidden while taking photos of the subject. The Vivitar 500mm f/8 Multi Coated Telephoto is a refractor style lens, utilizing lightweight aluminum alloy construction. The aperture settings from f/8 to f/32 retain a full range of exposure and depth of field settings. With an equivalent focal distance of 750mm results due to the extension of the focal distance by 1,5! The multi-coated optics provide crisp, high contrast, and flare free images of distant subjects. Includes T-mount adapter for digital and 35mm Nikon SLR cameras Lens not zoomable