[temporary alphabetical list: optical instruments]astrometeoroscopesaxometersborescopesbinoculars casesconfocal microscopescatopterschromatropesdynactinometersdynameterseikonometersengiscopesfluorescence microscopesholophotesmetrochromesmicroscope casesmicrospectroscopesluminometersotheoscopesperiscopesoptical collimatorsoptical condensersoptical instrument casesoptical interferometersphase contrast microscopesphoneidoscopesphotodromespolarizing photometerspolemoscopespseudoscopestransmission electron microscopesscotoscopesspectrographsspectroscopesstauroscopesteinoscopestelescope casesoptical instruments