Optical instrument

binoculars collimator reticle camera spotting scope kaleidoscope VISOR periscope monocular microscope scope sight corrective lens opera glasses spectroscope borescope borescope projector video camera optical toy phase telescope night vision device perspective machine objective panoramic sights telescope analog camera Corrective Optics Space Telescope Axial Replacement lidar photometer polarimeter belay glasses camera lucida Stanhope optical printer heliograph monochromator refractometer interferometer optical microscope