This telescope comes as a kit so users can learn how a telescope works as they build
this easy-to-assemble, portable refractor telescope. Equipped with a precision ground and coated glass objective lens, the scope delivers clear views to budding astronomists.Features 50mm F/10 Refractor Kit, 20mm Eyepiece (can be swapped with any standard size eyepiece), premium double objective lenses made from custom-ground optical glass, and three lens configurations.