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Product Name ZnSe spherical lens
Product Content Material:ZnSe
Focal length:+/-1%
Length tolerance:+0.0 ~ -0.1mm
Width tolerance:+0.0 ~ -0.1mm
Center thickness tolerance:+/-0.1mm
Surface Figure:lambda/2 at 633nm on plano side
Surface quality:60-40 stratch/dig
Clear Apenture>90%
Chamfer:0.25mm at 45 degrees typical
Coating:optional