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%

Changchun Ji Xiang Optoelectronic Co., Ltd (CJX) located in Changchun High-new Technology Development Zone, over 3000 square meters factory building, is dedicated to the manufacturing ,designing and marketing of precision optical elements. CJX has advanced manufacturing equipments and inspecting instruments. Founded in 1995. CJX has advanced technique and processing capacity to can design and manufacture complex optical systems and parts upon customer’s enquiry. We have strict quality standard for testing. High quality and low price is our most competitive advantage. Our products are welcome and highly praised by customers.The products from CJX have been exported to North American, Europe and other areas .

　　Main product: various prisms,spherical lenses,windows,aspherial lenses,cylindrical lenses,double-curved surface,planos, codeplates etc.

　　Size:Dia.3mm—200mm

　　Using material:optical glass,fused silica 、CaF2 and optical crystal etc.

　　Our goal is higher quality, faster delivery and stronger integrated strength, to satisfy and exceed our customers demands.

　　We are looking forword to cooperate with all friends from all over the world.And we are sure that we can develop together with you on the basis of equality and mutual benefith.