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Optics for Engineers
book

Optics for Engineers

by Charles A. DiMarzio
August 2011
Intermediate to advanced content levelIntermediate to advanced
564 pages
20h 45m
English
CRC Press
Content preview from Optics for Engineers
ABERRATIONS 121
Figure 5.5 Distortion. The left panel shows an object consisting of straight lines. The center
panel shows barrel distortion, and the right panel shows pincushion distortion.
XX
1
Y
1
Y
Figure 5.6 Coma. The image is tilted by an amount proportional to hρ
2
cos
2
φ. The paraxial
image is at the vertex of the V.
distortion. Objects at increasing distance, x, from the axis suffer a greater shift in their position,
proportional to the cube of x. The result is a distortion of the image; the magnication is not
uniform. In this case, the apparent magnication varies with radial distance from the center.
Straight lines in the object are not imaged
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Publisher Resources

ISBN: 9781439807255