Microscopes; Stereoscopes; Telescopes; Astronomical spectrographs; Close-up lenses; Laboratory equipment, namely, spectroscopes; Lens caps for use with film, digital, and video cameras; Lens filters; Lenses for astrophotography; Lenses for cameras; Optical glasses; Optical inspection apparatus; Optical lenses; Scientific and technical apparatus, namely, optical mirrors

'apparatus':36,42 'astronom':4 'astrophotographi':28 'camera':23,31 'cap':15 'close':7 'close-up':6 'digit':20 'equip':11 'film':19 'filter':25 'glass':33 'inspect':35 'laboratori':10 'len':14,24 'lens':9,26,29,38 'microscop':1 'mirror':45 'name':12,43 'optic':32,34,37,44 'scientif':39 'spectrograph':5 'spectroscop':13 'stereoscop':2 'technic':41 'telescop':3 'use':17 'video':22

OPTOLONG

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