87960 ⎘
Glass compositions; Doped silica-based glasses containing metals containing rare earth metals Gadolinium
OPTICAL GLASS WITH HIGH REFRACTIVE INDEX
#2OPTICAL GLASS, OPTICAL ELEMENT COMPOSED OF OPTICAL GLASS, OPTICAL SYSTEM INTERCHANGEABLE LENS, AND OPTICAL DEVICE
#3Optical glass, optical element composed of optical glass, optical system interchangeable lens, and optical device
#4Optical glass