Feature:1. Widely usage, lens itself for T2 mount, can installed on telescope to observe moon, through standard adapter ring, can installed for EFS mount camera for shooting far distance objects.2. Has 420800MM super telephoto zoom, if matching 2X magnification mirror, focal distance range become 8401600mm.3. 2X magnification lens can double the focal length or magnification.4. Telephoto lenses good for shooting distant scenery, wildlife, concerts, bird observation, etc.5. Manual adjustment, all metal structure, multilayer MC coating of optical glass, good light transmittance.Specification:Condition: 100% Brand NewItem Type: LensOptional Color: White, BlackWeight: Approx. 1076g 420-800mm Lens ParameterMaterialPlastic + Aluminium Alloy + Optical GlassFocusing ModeFull Manual FocusingFocal Distance420-800mm ApertureF/8.3-16Front End Filter Interface Diameter67mm/2.64inchAnti-Shake FunctionNoFitmentFor EF-S Mount CameraNeed Install Standard Adapter Ring Using2X Magnification Lens ParameterMaterialPlastic + Aluminium Alloy + Optical GlassCoating FilmMC Coating FilmInterfaceFor T2 MountMagnification2X.Package List:1 x Lens1 x Front Lens Cover(Installed)1 x Rear Lens Cover(Installed)2 x Storage Bag1 x Adapter Ring1 x Wrench1 x 2X Magnification Lens(Installed Lens Cover)Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.