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        PRODUCTS & SERVICES

        PRODUCTS & SERVICES

        Optical Lenses

        2020-05-26

        Delfa has thousands of radius tooling for making any kinds of general spherical lenses with different sizes, radius and materials, such as plane-convex lenses, plane-concave lenses, biconvex lenses, biconcave lenses, meniscus lenses, ect. So our customers may benefit a lot from our big tools stocks, which may be saving time and cost for prototype and small amount orders.

        Material: Various of flint glass, UV fused silica, IR fused silica, CaF2, MgF2, ZnSe, Si, Ge and other material. Delfa also accept custom lenses and serve for the processing with customer’s materials.

        Specifications:

        Diameter

         0.6mm—800mm

        Diameter tolerance

         Up to +0/-0.01mm

        Radius

         2mm--

        Center thickness tolerance

         Up to +0/-0.01mm

        Surface figure

         Up to λ/10 @632.8nm

        Paraxial focal length

         Up to +/-1%

        Centration

         Up to 5 arc seconds

        Surface quality

         Up to 10-5 Scratch & Digs

        Clear Aperture

         Up to 100% of the diameter

        Bevel

        <0.2mmx45°

        Coating

         According to your request

        ** Other sizes and special shapes are available upon your requests.

        +86-10-6212-9087
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