Cameras; Optical lenses; optical glasses; Lasers for non-medical purposes; Optical fibers; Scientific and technical apparatus, namely, optical mirrors; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography

'adapt':38 'apparatus':17,22 'camera':1 'diopter':37 'dome':31 'fiber':13 'glass':5 'instrument':24 'laser':6 'lens':3,39 'medic':10 'mirror':20 'name':18,25 'non':9 'non-med':8 'optic':2,4,12,19,21,26 'photographi':30,35,42 'port':27,32 'purpos':11 'scientif':14 'technic':16 'underwat':29,34,41 'wet':36

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