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Spherical Lenses We can produce singlet, cemented doublets, cemented multilayer lenses. l  Super spherical lens--- diameter from 200mm to 800mm l  Achromatic lenses--- doublets or triplets l  Hemispheres and ball lens l  Awkward shaped spherical lens     Specification of Spherical Lenses  Diameter： φ2mm～φ300mm Paraxial Focal Length : ±2%(General) ,  ±0.8～1%(High Precision) Contour Tolerance: ±0.05mm～±0.25mm(General),  -0.02mm(High Precision) Centering： 3′～1′,depending on diameter Surface Quality： 80/50 (General), 20/10(High Precision) Aperture： 5/2 (General), 1/0.5(High Precision) Center Thickness Tolerance： Up to ±0.02mm Notes: 1): Custom-made Spherical Lenses at any size from diameter 2.0mm to 800mm are available upon request. 2): Besides uncoated,  Lenses with  Anti-Reflective(AR), High-Reflective(HR), Partial-Reflective(PR) coating are  available upon request, Please refer to COATING for more information about coating   Related Products：

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