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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
4.2.
Spherical Aberration
55
comment, note that the spherical aberration is zero when m = —I. For this
magnification s = s\ and the sphere is the perfect surface according to Fermat's
Principle.
4.2.d. DISTRIBUTION OF RAYS NEAR FOCUS
As given by the preceding relations, TSA is a measure of the image size of a
point object at the paraxial focus. The distribution of
rays
near the paraxial focus
is such that the image has a minimum size between paraxial focus and the focus
for marginal rays. Here we consider the ray distribution as seen in cross section,
both along and perpendicular to the optical axis.
A cross section of the image along the z-axi ...
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Publisher Resources

ISBN: 9780126298109