Spherical Aberration (Mirrors)

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Spherical Aberration (Mirrors)
off-axis ray
paraxial ray
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Correcting Spherical Aberration
Spherical Mirror
The parabolic mirror is less steep at the edges,
more steep at the center, than the spherical
mirror. This fixes spherical aberration, but
introduces other aberrations to be discussed
later.
Parabolic Mirror
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Common Types of Reflectors(including
catadioptrics)
Parabolic Primary Mirror
Spherical Primary Mirror
Newtonian (also Dobsonian)
Schmidt-Newtonian
Spherical Primary Mirror
Spherical Primary Mirror
Schmidt-Cassegrain
Maksutov-Cassegrain