500mm f/6.3 Manual Focus Telephoto Mirror Lens + 2x Teleconverter = 1000mm For Nikon D3200, D3300, D5200, D5300, D5500, D7100, D7200, D610, D700, D750, D800, D810 Digital SLR Camera For Nikon D3000, D3100, D3200, D3300, D5000, D5100, D5200, D5300, D5500, D7000, D7100, DF, D3, D3S, D3X, D4, D40, D40x, D50, D60, D70, D70s, D80, D90, D100, D200, D300, D600, D610, D700, D750, D800, D800E, D810 Digital SLR Camera The 500mm f/6.3 Manual Focus Lens is a catadioptric mirror T-mount lens, precision manufactured in South Korea. 7 Elements in 6 Groups. -- Aperture is fixed at f/6.3. -- Focuses to 6.1' (1.86 m) White lens barrel helps prevent heat retention. The 2x Teleconverter is a high-quality that delivers enhanced telephoto versatility. It multiplies the focal length by 2x, providing an affordable and portable way to extend your cameras reach.