Abstract

The classical Schupmann medial telescope is free of the secondary-spectrum residual associated with large refractors. The difficulties in obtaining large glass disks of the necessary optical quality and the problem associated with their mounting preclude the use of this unconventional lens in large scale astronomical systems. However, to circumvent these limitations, the Schupmann lens was modified by replacing the refractive objective with a spherical mirror producing a new catadioptric lens configuration adaptable to large-scale astronomy. The design parameters and performance data are given for an f/5.4, 5.5-m focal length design covering a 2° full field.

© 1972 Optical Society of America

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Corrections

John J. Villa, "Adaptation of the Schupmann Medial Telescope to a Large Scale Astronomical Optical System," Appl. Opt. 12, 182-182 (1973)
http://proxy.osapublishing.org/ao/abstract.cfm?uri=ao-12-2-182

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