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cylindrical lens especial

cylindrical lens especial
company China star optics Technology Co., Ltd
Categories Contact Lens Care Products
Update2011-02-24
Original RegionChina
cylindrical lens especial
Specifications
Material:crystal
Dimension Tolerance:+0.0~-0.1mm
Center Thickness:+/-0.2mm
Surface Quality:60/40 Scratch/Dig
Surface Figure:lambda/2
Clear Aperture:>90%
Parallelism:<1 minute
Chamfer:0.25mm at 45 degrees typical
Coating:Optional

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