Super 500mm compact telephoto lens</br>2x Teleconverter doubles the power of your lens to 1000mm.</br>High index?? low-dispersion multi-coated HD optical glass to reduce flare</br>Excellent close focusing capacity</br>Kit includes 500mm super telephoto mirror "ns?? 2x doubler?? t-mount?? UV?? ND2?? ND4?? skylight filter?? lens hood?? cleaning pen?? dust blower?? 47th Street Photo microfiber cleaning cloth</br></br>Product Description</br></br>500mm / 1000mm f/8 Manual Focus Lens is a classic mirror-style T-mount lens that is a welcomed addition to any sports or wildlife photographer's kit bag. It's lightweight and compact and it focuses as close as 5.6' (1.7m). The aperture is fixed at f/8.0. This manual focus lens is constructed from fully multi-coated low-dispersion optical glass with a 72mm front filter thread?? and a 30.5mm rear filter thread. A 2x neutral density filter?? 4x neutral density filter and a skylight filter (all 30.5mm) are included. A tripod?? monopod or other such support is recommended when using this lens with the included 2x converter.<br><br> When combined with the included T-mount to fit your camera system?? this super telephoto works