Sell double-curvesd surface lens @China (Mainland)

Two different radius are in a surface.
A surface of the lens with composite concentric annular and  many  focus of complex surfaces, and another surface of the lens with spherical or aspheric surface.

Material:UV-grade fused silica BK7 and other optical lens

Centration:1 arc min

Length tolerance:±0.1mm

Surface quality:60—40scratch and dig

Focus tolerance:±1%

Post by Yan Zhang    Electronic Components & Supplies    @2011-12-20 16:13:03