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16 September 1980 Designing Lenses To Exploit Available Aspheric Technology
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Proceedings Volume 0237, 1980 International Lens Design Conference; (1980)
Event: 1980 International Lens Design Conference, 1980, Oakland, United States
For a long time lens designers have recognised the desirability of using aspheric optical surfaces for some applications, and recently there have been significant advances in the manufacturing technology for such surfaces. Nevertheless, there is reluctance on the part of manufacturers to install the appropriate equipment unless sufficient advantage can be achieved. The three main methods of aspheric surface manufacture (figuring of spherical surfaces, numerically-controlled machining, and moulding) are briefly reviewed. Design examples of infrared and visible light optical systems are given to show that each of these manufacturing methods can be used to produce lenses incorporating aspheric surfaces that have distinct advantages over the equivalent lens with only spherical surfaces. The manufacturing method must be matched to the system needs and performance requirement.
© (1980) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
J. A. Clarke "Designing Lenses To Exploit Available Aspheric Technology", Proc. SPIE 0237, 1980 International Lens Design Conference, (16 September 1980);


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