Open box item but new never been used. LIGHTDOW designs, manufactures and markets a wide range of camera and lighting support equipment for the professional photographic, film, theater, live entertainment and video markets. The product line includes an extensive range of camera lenses, tripods and heads, lighting stands and accessories. LIGHTDOW products are sold by its own distribution companies, ZLY Technology Distribution, in China, Hong Kong, France, Germany, Italy, Japan, the United Kingdom, the United States and around the world! It has become a tradition of Lightdow to continually invest in the latest technology together with constant assessment of the product range, production needs and consumer trends. This policy maintains the highest standard of quality at all stages and set the standards others follow. Package Content: 1 * 420-800mm f/8.3-16 Manual Telephoto Zoom Lens with retail package1 * T Mount for Canon or Nikon Manual Lens with Long Focal Length It is recommended to focus with live-view to achieve accurate focus. As with all long telephoto lenses a combination of sturdy camera support, substantial tripod, good technique, fast shutter speed, use of remote, and mirror lock up are recommended to avoid camera shake to achieve the best results. Specifications: Lens Construction: 4 Elements in 2 GroupsAperture Range: 8.3-16Focal length: 420-800mmMinimum Focusing Distance: 1.5m / 4.92ftFilter diamater: 67mmPackage size: 27 * 9 * 9cm / 10.6 * 3.5 * 3.5inPackage weight: 860g / 1.9LB UMC (Ultra Multi Coating) We apply the UMC technology to reduce flare & ghost as much as possible and get clear & fresh color image. T mount for Canon/Nikon The T Mount adapter allows you to attach your Canon/Nikon DSLR /SLR camera to lenses, telescopes, microscopes, enlargers, and other equipments that have a T2 universal thread mount. Sample Image from a Russian customer Description Description: High Definition 800mm preset telephoto lens is and incorporates not only computer optical design, but also the latest optical multi-coating techniques. The process of multi-coating assure ... Features & details 420-800mm f/8.3-16 Manual Telephoto Zoom Lens.Manual Focus Telephoto Zoom Lens to use with DSLR SLR Cameras.Multi Coated low-dispersion glass, anti-reflection coating.

G6