Glass plano concave lens

Specifications Plano Concave lens

1.Material:optical glass

2.Dia.:2mm to 550mm

3.S/D:40-20

4.Flatness:1/4 lambda

Plano concave lens   Plano-concave glass lens is manufactured with one concave surface and one plane surface. These lenses have negative focal lengths.   1.Material:optical glass 2.Dia.2mm to 550mm 3.Surace quality:80-50 to 10-5 4.flatness;1/4lambda (general standard) 5.CA>85% 6.Tol.:+/-0.05(general standard) 7.Centeration:30 seconds 8.Chamfer:0.1mmx45degree 9.bevel:0.1mm 10.Coating:AR coating,Al,coating,Golded Coating,sliver coating,etc.      Our Production           How to contact us? 1.Customer can send inquiry below. 2.Please find email address on the first page. 3.Please make call to us. 4.We are online on MSN Skype.     Welcome your inquriy at 24 hours!