USCAMEL Telescope for Kids Beginners Adults, 70mm Refractor Telescope with Tripod, Astronomy Telescope Gift for KidsAstronomical Telescope 70mm large diameter, BAK4 prism system, 300mm focal length, large view. Fully multi coated lens, high transmission, enhance image brightness and clarity, perfect for observing aurora, moon, planets, meteor, scenery, bird. HD Excellent Images Refractor telescope adopts high quality performance BAK4 prism system, high resolution fully multi coated lens, combine advanced optical technology, owning excellent transmittance, reduce