Neewer High Definition Multi-coated 500mm f/8 Preset Telephoto Lens for Canon Nikon Olympus Fuji Pentax and Other Digital SLR Cameras by Using T-Mount / such as Canon EOS 1D 5D 6D 7D 40D 50D 60D 450D 500D 550D 600D 650D 700D 1000D 1100D 1200D Rebel XSi T1i T2i T3 T3i T4i T5 T5i Nikon D7100 D7000 D5200 D4 D800/D800E D3200 D600 D5100 D3100 (T Mount NOT Included) Auto focus and infrared compatible It works manually only A Multi-coated low-dispersion glass capable of producing sharp, high definition images Designed to maximize day and night shots by providing maximum light and image transmission with minimum distortion, fantastic for all types of photographic situations f/8, High-index / low-dispersion optical glass, Fully multi-coated, every element, Anti-reflection coating