Spectroscopes; Astronomical spectrographs; Lenses for microscopes; Magnifying glasses; Microscopes; Microscopes and their parts; Monoculars; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Optical lenses; Optical reflectors; Sighting telescopes for firearms; Stereoscopes; Telescopes; Telescopic sights for artillery; Telescopic gun sights; Microscope objectives

'adapt':32 'apparatus':16 'artilleri':50 'astronom':2 'diopter':31 'dome':25 'firearm':44 'glass':8 'gun':52 'instrument':18 'lens':4,33,38 'magnifi':7 'microscop':6,9,10,54 'monocular':14 'name':19 'object':55 'optic':15,20,37,39 'part':13 'photographi':24,29,36 'port':21,26 'reflector':40 'sight':41,48,53 'spectrograph':3 'spectroscop':1 'stereoscop':45 'telescop':42,46,47,51 'underwat':23,28,35 'wet':30

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