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Astronomical Optics, 2nd Edition
book

Astronomical Optics, 2nd Edition

by Daniel J. Schroeder
September 1999
Intermediate to advanced content levelIntermediate to advanced
478 pages
21h 54m
English
Academic Press
Content preview from Astronomical Optics, 2nd Edition
5.7. Curvature of Field
5.7. CURVATURE OF FIELD
97
The remaining third-order aberration to be considered is that of curvature of
field. As noted in Chapter 4 this aberration does not affect the image quaHty, but
given the usual case of a flat detector can adversely affect the image definition
over an extended field. For the Schmidt camera, for example, the focal surface has
a radius of curvature equal to the camera focal length. Matching the detector to
the focal surface requires either deforming it to the proper radius or using another
optical element to "flatten" the field. The former method is used with most large
Schmidt telescopes by bendin ...
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Publisher Resources

ISBN: 9780126298109