Vivitar 800mm F/8.0 DX Telephoto Mirror Lens + 2x Teleconverter = 1600mm For Sony E-Mount, Alpha a6000, a5000, a5100, A3000, NEX, NEX-F3K, NEX-3NL, NEX-3N, NEX-3NL/B, NEX-3NL/W, NEX-5T, NEX-5TL, NEX-5TL/S, NEX-5TL/W, NEX-5R, NEX-5RK, NEX-6L, NEX-6L/B, NEX6L/B2BDL, NEX-7, a7R, a7K, A7S, Compact System Digital SLR Cameras Ultra-telephoto range in a compact, lightweight form with advanced reflex design Super Spectra lens coatings provide even light transmission and minimize flaring 8 elements in 8 groups. The Vivitar 800mm f/8 lens is a great asset for any photographer, whether seasoned pro who appreciates its portable size or ambitious amateur exploring the creative potential of ultra-tele photography. It Comes Complete With a 2x Teleconverter + T-Mount Ring + soft pouch + Front Lens Cap, Rear Lens Cap, Lens Hood,