Amazon.com : Telescopes for Adults, 70mm Aperture and 700mm Focal Length Professional Astronomy Refractor Telescope for Kids and Beginners - with EQ Mount, 2 Plossl Eyepieces and Smartphone Adapter : Electronics
Amazon.com: Telescope for Kids Focal Length 400mm Aperture 40mm(400x40mm) with Compass &Tripod& Finder Scope, Refractor Portable Kids' Telescope and Beginners' Telescope for Exploring The Moon and Its Craters : Toys & Games
Amazon.com : 16mm Fixed Focal Board Lens, 5MP HD CCTV Security Camera Wide Angle Lens, Standard M12x0.5 Screw Connector Camera Replacement Parts : Electronics