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Plastic molded aspherics
Plastic molded aspherics
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When using spherical lenses, spherical aberration occurs and because the different wavelengths of light entering the spherical image surface cannot converge at the focal point and the image quality is consequently limited. An aspheric lens can be defined as the following Polynomial. learn more...
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| c:1/r Z: optical axis r: radius of curvature k: Conic constant a1,a2,...: Polynomial coefficient |
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| The plastic molded aspherical lenses are lighter and thanks to the injection molding technology that injects plastic into a well-designed non-spherical mold through three main stages (Filling, Packing and Cooling) they are fairly cost-effective in mass production and have a short manufacturing time. Egismos’ plastic molded aspheric lenses are adapted for most of optical applications that have been designed for laser, for spherical aberration elimination with high light-gathering efficiency in condensing, and applications requiring high power, high precision, and high environment reliability. We have extensive experience in developing excellent manufacturing processes of plastic molded aspheric lens to design and provide perfect optical solutions for all your individual demands. |