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Optika teknolohiya engineering consultant
Camera, astronomy
Astrographs
Helioscopes
Reflectors, pang-astronomiya
Refractors, pang-astronomiya
Spectroscopes, pang-astronomiya
Spectrographs, pang-astronomiya
Astrolabes, danjon prisma
Theodolites, universal, pang-astronomiya (altazimuths)
Meridian lupon, azimuthal lupon
Astronomical Orasan
Chronographs, astronomiya, recording at pag-print
Sextants
Camera, satellite
Imahe pagpapahusay at pattern recognition kagamitan, electronic, para sa observatory
Teleskopyo, astronomiya
