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Optics technology engineering consultants
Cameras, astronomy
Astrographs
Helioscopes
Reflectors, astronomical
Refractors, astronomical
Spectroscopes, astronomical
Spectrographs, astronomical
Astrolabes, Danjon prism
Theodolites, universal, astronomical (altazimuths)
Meridian circles, azimuthal circles
Astronomical clocks
Chronographs, astronomical, recording and printing
Sextants
Cameras, satellite
Image enhancement and pattern recognition equipment, electronic, for observatories
Telescopes, astronomical
