THE OPTICAL GERMANIUM LENSES DIARIES

The optical germanium lenses Diaries

Plano-convex Ge lenses are flat on one particular facet and convex on another. These lenses Have a very constructive focal size, and will often be useful for light collimation.This Web site is using a security service to guard itself from on the internet assaults. The action you only done brought on the security Option. There are various steps that

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