Changchun Realpoo Photoelectric Co., ltd a professional leading manufacture of optics in the world. Realpoo possess Experienced engineer,Professional production line,exellent testing machine as well as advanced inspection instrusment. With the advanteges,we offer optical products in the fileds of University laboratory, Industry, Scientific research, Medical treatment, Mechanical equipments, lasers and Construction industry and so on. We are confident because we have good team work, strict quality control system, best after-sales service. "Superior quality, Best service."Realpoo will insist on the goal to guarantee your satisfaction!
We can produce spherical lens plano convex lens,plano concave lens,double convex lens,double concave lens,meniscus lens,ball lens,cylinderical lens,aspheric lens,rod lens with AR coating.
Material:BK7,K9,UV-grade fused silica
Centration:3 arc min
Surface quality:40-20scratch and dig
Coating:available upon request
A concave lens is a lens, or piece of glass, that curves inward. The lens is thicker at the edges than it is in the center of the lens. The most common use is in eyeglasses.