420-800Mm (840-1600) F/8.3-16 Hd Telephoto Zoom Lens For Nikon D3300, D3400, The Ultimaxx 420-800mm f/8.3-16 Super HD Manual Telephoto Zoom T-Mount Lens (Black) is perfect for professional and amateur photographers alike. It is an extremely powerful manual telephoto lens featuring a push/pull zoom system with integrated lock which offers increased accuracy by allowing for precise setting of the zoom level while helping to prevent accidental adjustments after your setup is established. There is a built-in, rotating tripod mount for easily attaching this lens to any standard thread (1/4-20) tripod or monopod making this a great lens for landscapes. This lens is also perfect for the wildlife or nature photographers who wants to be hidden while taking photos of their subject due to its multi-coated optics which allow for superb shots in a wide variety of conditions and its extensive zoom capabilities. Includes: Ultimaxx 420-800mm f/8.3-16 Super HD Manual Telephoto Zoom T-Mount Lens (Black) Integrated Rotating Tripod Mount Soft Protective Carrying Case T-Mount to Nikon F-Mount Adapter 2x Converter -Full Frame Format; Super HD Multi-Coated Optics -Push/Pull Zoom with Integrated Zoom Lock; Fully Manual -Integrated Rotating Tripod Mount; Filter Size: 62mm -Aperture Range: F/8.3-16; Weight: 18.3 Oz (520g) -Compatible with DSLR/SLR Cameras Utilizing a Nikon F T-Mount Adapter