Rokinon Mirror Lens 800mm 1:8.0 DX

800mm Telephoto Lens Weighs Just 33 oz Low-Dispersion Optical Glass Fully Multi-Coated Focuses to 5.6' (1.7m) Fixed f/8.0 Aperture Front 105mm Filter Thread Manual Focus This 800mm f/8.0 Mirror T-Mount Lens (Tan) from Rokinon is a tremendous addition to your camera bag, opening up unimagined and powerful photographic possibilities. It's lightweight (33 oz/935.5g) and compact (just 5.68"/14.42 cm long) and it focuses as close as 11' (3.5m). The aperture is fixed at f/8.0. This manual focus lens is constructed from fully multi-coated low-dispersion optical glass, with a 105mm front filter thread. An adapter would be required to fit to your specific camera which are available on Amazon for reasonable prices! Lightweight (33 oz/935.5 g) 800 mm telephoto lens Low-dispersion optical glass Fully multi-coated Focuses to 11' (3.5 m) Fixed f/8.0 aperture Front 105 mm filter thread