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Spherical Aberration (3rdorder Seidel)
F. L. Pedrotti and L. S. Pedrotti, Introduction to Optics, 2ndEd., Prentice Hall, New Jersey, 1993
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Aberrations (3rdorder Seidel)
F. L. Pedrotti and L. S. Pedrotti, Introduction to Optics, 2ndEd., Prentice Hall, New Jersey, 1993
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Aberrations (3rdorder Seidel)
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Aberrations (3rdorder Seidel)
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Spherical Aberration
http://amazing-space.stsci.edu/resources/explorations/groundup/lesson/basics/g11/
http://en.wikipedia.org/wiki/Lens_(optics)
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Comparison of the Spherical Aberration
of a Plano-Convex Lens and a Convex-Plano Lens
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Spherical Aberration of a Biconvex Lens
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Spherical Aberration of a Dielectric Sphere
h (mm) f (mm)
5 50.4
10 49.4
15 47.6
20 45.0
25 41.6
30 37.3
35 31.8
40 24.8
45 15.8
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Spherical Aberration
Shape Factor
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Spherical Aberration (3rdorder)
Jenkins and White, Fundamentals of Optics, 4thEd., McGraw-Hill, 2001
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Spherical Aberration Correction
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Astigmatism
http://www.handprint.com/ASTRO/ae4.html
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Astigmatism
Horizontal Focus Vertical Focus
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Astigmatism
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Astigmatism Causes Blurring of the Image
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Coma
http://en.wikipedia.org/wiki/Lens_(optics)
http://www.cheyennezjphotographer.com/photography/lenses-2/
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Coma
http://www.handprint.com/ASTRO/ae4.html
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Field Curvature
http://www.cheyennezjphotographer.com/photography/lenses-2/
http://www.microscopyu.com/tutorials/java/aberrations/curvatureoffield/
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Field Curvature
http://www.handprint.com/ASTRO/ae4.html
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Notice that with a closed iris the distortion is greatly reduced,
however the light gathering power of the lens is also reduced.
Under dim fluorescence conditions the decrease in pixel intensity
may be unacceptable.
Field Curvature
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Distortion
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Pincushion distortion aberration
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Pincushion distortion aberration
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Barrel distortion aberration
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Barrel
Pincushion
Distortion Aberrations
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Chromatic Aberration
Chromatic Aberration Correction
http://en.wikipedia.org/wiki/Lens_(optics)
http://en.wikipedia.org/wiki/Lens_(optics)
h i b i
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Chromatic Aberration
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Chromatic Aberration
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Chromatic Aberration
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