Optical Glass

Zero Expansion Glass

Polished Substrates

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S-FPL

Optical Glass / Eco Optical Glass

Type	Code	n_C	n_d	n_F	n_g	ν_d	s.g.	Coloring
S-BSL7	516641	1.51386	1.51633	1.52191	1.52621	64.1	2.52	33/29
L-BSL7	516641	1.51385	1.51633	1.52191	1.52620	64.1	2.38	33/30