Non-SF(ZF) Series Glass Substrates – NZF Series
e.g. N-BAK,N-BAF,N-SSK,N-LF,N-LAF etc
SF(ZF) Glass Substrates – HZF Series
ZF (Dense flint) glass series; Refractive index is high over 1.78 at 588nm
ZF (Dense flint) glass series; Refractive index is high over 1.78 at 588nm