Oshiro 500mm f/6.3 LD UNC AL Super Telephoto Lens for Olympus OM-D E-M1, E-M5, E-M10, Pen E-PL7, E-P5, E-PL5, E-PM2, E-P1, P2, PL1, PL1s and PL2 Micro Four Thirds Digital Cameras 500mm f/6.3 achromatic refractor telephoto lens Extra-low dispersion element is incorporated within the 4 element, 4 group design, and helps to reduce chromatic aberrations for sharper image quality Manual focus design is complemented by both depth of field and distance scales for utilizing pre-focusing techniques Built-in tripod mount and removable lens hood helps reduce stray light to prevent lens flare and ghosting All-metal body and mount