Plano convex spherical lens

Product Description

plano-convex spherical lens,plano-concave spherical lens,bi-convex spherical lens,bi-concave spherical lens,meniscus spherical lens,special spherical lens etc.. Specification of our plano-convex spherical lenses as follow: *Material:BK7 or other materials *Focal length:+/-1% *Center thickness tolerance:+/-0.01mm *Centration:1 arc minutes *Surface Figure:lambda/2 at 633nm on plano side *Surface quality:40/20 stratch/dig *Clear Apenture>90% *Chamfer Protective:0.25mm at 45 degree typical *Coating:optional

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