Optical telescopes are used for astronomy and in many non-astronomical instruments , including : theodolites -LRB- including transits -RRB- , spotting scopes , monoculars , binoculars , camera lenses , and spyglasses .

Telescopes not used for astronomy can be named transits , spotting scopes , monoculars , binoculars , camera lenses , or spyglasses .
