Lanthanum Crown Glass is referred to as LaK glass or lanthanum glass. Located in the upper left corner of the nd-v diagram. Lanthanum glass from CLZ Precision Optics has the optical characteristics of high refraction and low dispersion, so it is often called high refractive index and low dispersion optical glass together with lanthanum flint and heavy lanthanum flint glass.
Fc88 M7uscom
Victor
Blue Water Financial
Gtwin Cassino Online
Bk6666
88aa
930k
777gp Ph
Citrusburn
Ev99