A wide-field telescope with spherical opticsUtilizing a doublet lens to correct the aberrations of a spherical mirror, a small f/8 telescope for visual use was designed and constructed. The lens has considerable negative power, so that it serves as a Barlow lens as well as a corrector.
Document ID
19760012022
Acquisition Source
Legacy CDMS
Document Type
Other
Authors
Jones, R. T. (NASA Ames Research Center Moffett Field, CA, United States)