Paul also called Porro prism is a prism, optical used in optical instruments, used to...

Roof prism ( Roof roof prism Prism ) is smaller in size and can make the objective and the...

Optical glass materials, advantages: high light transmittance ( 97%), high temperature;...

Using the critical angle of total internal reflection, and the incident light is one of...

A two two intersecting each other but are not parallel to the plane formed of transparent...