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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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