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9 December 1983 Shifting Of The Neutral Zones Of Corrector Plates And Its Effect
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Corrector plates for Schmidt-Cassegrain systems are subjected to equivalent focal length changes if the neutral zone varies from the established 0.86 zone. Fabricating a plano-convex element first, before changing to a corrector plate (C .P.) removes almost 50% slope departure. Shifting of the neutral zone is caused by the non-control of the grinding with glass tool rings. The control of the neutral zone can be accomplished by other fabrication methods.
© (1983) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Arthur S. De Vany "Shifting Of The Neutral Zones Of Corrector Plates And Its Effect", Proc. SPIE 0433, Contemporary Methods of Optical Manufacturing and Testing, (9 December 1983);


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