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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
8.1.
Schmidt-Cassegrain Telescopes 195
Table 8.7
Parameters off/3 Schmidt-Cassegrains with Spherical Mirrors
ri
-0.10
0.00
0.10
rj
-0.10
0.00
0.10
Concentric Design (a =
k p m
0.3187
0.3333
0.3483
Aplj
k
0.3618
0.3765
0.3913
0.6593
0.6667
0.6742
1.936
2.000
2.069
inatic Design {p = 0
G m
2.198
2.214
2.231
1.615
1.657
1.700
:2)
.95;
Q2
0.6457
0.6250
0.6041
)
Q2
0.6388
0.6163
0.5943
m^Q2
4.69
5.00
5.35
m^Qj
2.69
2.80
2.92
It is evident from Eq. (8.1.14) that it is necessary to have ( near one to keep the
astigmatism small. If, for example, we choose p = 0.95, m = 1.7, and F = 3,
then AAS is approximately 1 arc-sec when 0 = 1.5°.
Table 8.7 give ...
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Publisher Resources

ISBN: 9780126298109