HUGHES OPTICAL LASER LENS 1" DIA COATED OPTICS T=20% R=10M, closed college lab

OPTICAL LASER LENS 15MM DIA COATED OPTICS G3808 018, from closed college lab

2 pcs of 1" OPTICAL WINDOW HPLF HARSHAW POTASSIUM CHLORIDE LASER OPTICS

OPTICAL COATED FILTER WINDOW LASER OPTICS x BIN#4V

OPTICAL LASER LENS 15MM DIA COATED OPTICS G3808 83515, from closed college lab

general scientific post mounted iris for laser or optic lab, optical vintage

OPTICAL FILTER WITH PRISM AND DETECTORS RING LASER GYRO LASER OPTICS BIN#24-51-4

OPTICAL BLUE FILTER SCHOTT BG-20 LASER OPTICS AS IS BIN#R4-20