50mm Refractor, AZ Table Top Telescope, Coated optical glass, 360mm focal length, Aluminum tube, Rack & Pinion focuser, H20 & H12.5mm (.965) eyepieces. Toys"R"Us Canada Exclusive - Edu Science - Land & Sky 360 Tabletop Refractor Telescope 50 mm Table Top Telescope is an ultra-compact travel telescope with coated optics and aluminum tripod, which can be conveniently stored in a small bag or backpack. Thus, making this telescope a perfect companion not only at home but also when traveling.