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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
190
8. Catadioptric Telescopes and Cameras
Fig. 8.4. Geometry of secondary mirror diameter needed to cover field of radius 6 without
vignetting at outer edge. See Eq. (8.1.4).
To determine the size of the secondary, we use the geometry in Fig. 8.4. The
diameter
D2
, expressed in terms of the diameter of the corrector, is given by
D2 = D[k + 29F^(k((j - 1) + 1)].
(8.1.4)
Note that Eqs. (8.1.3) and (8.1.4) with d = 0 apply to the two-mirror telescopes
discussed in Chapter 6. Note also that Dj and
D2
can be expressed in terms of
rj
and F with the substitution F^ = F(p
k)/p. We now apply the results in this
section to some specific types of S ...
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Publisher Resources

ISBN: 9780126298109