Optical crown glass
volume
British pronunciation/ˈɒptɪkəl kɹˈaʊn ɡlˈas/
American pronunciation/ˈɑːptɪkəl kɹˈaʊn ɡlˈæs/

Definicja i Znaczenie "optical crown glass"

Optical crown glass
01

optical glass of low dispersion and low refractive index

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