Material Knowledge

Lens material classification
Material Knowledge

Lens material classification

Glass lens includes optical glass lens and high refractive index lens (commonly known as ultra-thin film). It has high hardness and good wear resistance. Generally,

bk7 glass
Material Knowledge

What is BK7 glass?

BK7 is the brand of Schott glass factory in Germany, and K9 is the corresponding domestic glass brand. N-bk7 is the glass of German Schott,

k9 glass
Material Knowledge

K9 glass

K9 glass is a glass product made of K9 material, which is used in optical coating and other fields. K9 material belongs to optical glass.

High borosilicate glass
Material Knowledge

High borosilicate glass

High borosilicate glass (also known as hard glass) is made by using the conductivity of glass under high temperature to realize glass melting through heating

quartz glass
Material Knowledge

quartz glass

Quartz glass is an excellent optical material, which has many unique advantages and can not be replaced by other optical materials. Quartz glass has good

bk7 glass
Material Knowledge

JGS1 far ultraviolet optical quartz glass

JGS1 far ultraviolet optical quartz glass refers to that it has no bubbles, high purity and good UV transmission spectrum. The application wavelength is 185-2500