Super Telephoto Lens, 420 800mm F/8.3 16 Manual Focus Lens for EF Mount Camera, with T2 Adapter Telescope

420-800MM TELEPHOTO ZOOM:With 420-800MM super telephoto zoom, telephoto lens conducive to long distant scenery, wild animal, concerts, bird watching, etc. WIDE RANGE USAGE:Lens with T2 mount, can install on telescope, can installed for EF-S mount camera, Compatible with for 4000D,Suitable for 550D,for 1100d,for observation of moon, through standard adapter ring, used for long distant objects. EXQUISITE WORKMANSHIP:High quality aluminum alloy body, exquisite with texture.Manual adjustment, all metal structure, optical glass multi-layer MC coating film. EASY TO CARRY:Compact appearance volume designed, convenient to carry, foot frame ring fixed. LONG SERVICE TIME:Durable material. This manual focusing lens has a long life cycle and is an ideal lens for photographers