Super Telephoto Lens 420-800mm F/8.3 Manual Telephoto Zoom Lens for Canon Ef / Nikon F Mount Cameras

Features: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.Create sharp high quality images.Comes with lens pouch and protective caps.Specifications:Lens construction: 4 elements in 2 groupsAperture range: 8.3-16Focal length: 420-800 mmMinimum focusing distance: 1.5m / 4.92ft Filter diameter: 67mmPackage size: 27 * 9 * 9cm / 10.6 * 3.5 * 3.5inPackage weight: 850g / 1.9lb. This high definition 800mm preset telephoto lens incorporates not only computer optical design, but also the latest optical multi-coating techniques. the multi-coating process ensures virtually flare-free photographs even under adverse lighting conditions, resulting in crisp, high-contrast pictures. This 420mm-800mm f/8.3-16 telephoto lens is for anyone shooting at a distance from their subject, including sports and wildlife photography. this is a manual focus lens and has an aluminum alloy body. Features: Focal length: 420-800mm zoom lens Apertures: maximum: f/8.3 ; minimum: f/16 Zoom system: linear push-pull Exposure: automatic exposure is possible in aperture priority mode only for cameras with ttl metering system. other cameras must be set in full manual. camera with ttl metering: all canon