Ключевые слова: aiming, apparatus, astronomy, background, black, chrome, closeup, cutout, device, discover, discovery, equipment, eyepiece, glass, instrument, isolated, learning, lens, magnification, metal, nobody, object, observation, observe, ocular, one, optical, science, scope, search, simple, single, sky, space, spyglass, surveillance, telescope, tool, tripod, universe, view, watch, white,