Sell bitoric lens @China (Mainland)

Two different radius are in  everyone  surface.  Two surface are both so that.         

Single lens with both surfaces  are   complex surface.Or  two surfaces of the lens with composite concentric annular and  many  focus of complex surfaces,   

Material:UV-grade fused  silica

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 16:08:28