Specification :

Ge Lenses
Supply kinds of Plano convex Ge-lens, Bi-convex Ge-lens, Plano concave Ge-lens, Bi-concave Ge-lens according to custom design.
Material: Ge(Germanium)
Radius: ¡�10mm --- ¡�1000mm
Diameter: 10mm --- 50mm
Surface accuracy: ¦�/2-- 2¦�
Surface quality: 60-40
Centration: 90%
Chamfer: 0.2¡�45¡ã
Coating: custom design