Sinocera Photonics, Inc.  

Product Name: N-Bk7 or Fused Silica Achromatic Doublet Lens Model NO.: LAM Coating: Ar Coating Customized: Customized Certification: ISO9001 Lenses Color: Clear Material: Optical Glass Shape: Laminated Lenses Transmittance: >95% Type: Convex Lens Usage: Lighting, Medical, Optical, Photography Trademark: SINOCERA Transport Package: Customized Specification: Customized Origin: Shanghai, China HS Code: 9001909090 Product Description SpecificationsMaterial: Optical crown and flint glasses or equivalentSurface Quality:10/5-40/20Surface Accuracy:PV<λ/6@633nmFocal Length Tolerance:±2%Centration:<1 arc minClear Aperture:>central 90% of diameter