Oshiro 135mm f/2.8 LD UNC AL Telephoto Full Frame Prime Lens for Nikon D5, D4S, DF, D4, D850, D810, D750, D610, D500, D7500, D7200, D5600, D5500, D5300, D5200, D3400, D3300, D3200 Digital SLR Cameras Prime telephoto designed for both APS-C and full-frame sensors. On APS-C-sized sensors, the 35mm-equivalent focal length will be 216mm One extra-low dispersion element is incorporated within the 9 element, 7 group design, and helps to reduce chromatic aberrations for sharper, clearer image quality Manual focus design is complemented by both depth of field and distance scales for utilizing pre-focusing techniques Built-in retractable lens hood helps to shield the front lens element from stray light to prevent lens flare and ghosting All-metal body and mount, there are no plastic parts