THE OPTICAL GERMANIUM LENS DIARIES

Plano-convex Ge lenses are flat on a single facet and convex on one other. These lenses Possess a good focal size, and are often employed for gentle collimation.Our spherical plano-concave germanium lenses are principally accustomed to diverge a beam from a collimated mild source, or to raise the focal length of an optical system.He later on realis