Clinical Vision Science by Gunnar Schmidtmann

Author:Gunnar Schmidtmann
Language: eng
Format: epub
ISBN: 9783030353407
Publisher: Springer International Publishing

Figure 4.4The figure shows an illustration of longitudinal Sl and transverse spherical aberration St for a converging lens. denotes the s second principal focus for marginal and for paraxial rays. is the second focal length of marginal rays

(4.10)

(4.11)

S l

longitudinal spherical aberration

S t

transverse spherical aberration

y

Distance from optic axis

Second focal length of marginal ray

k

constant

4.2.4.3 Coma

See Fig. 4.5.

Figure 4.5The figure shows an illustration of the coma or comatic aberration, named after the comet-like distortion instead of a point-like image

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