Gaussian image

noun

Optics.

1. the point in an optical system with spherical aberration at which the paraxial rays meet.

Example Sentences

If the angle u1 be very small, O'1 is the Gaussian image; and O'1 O'2 is termed the ``longitudinal aberration,'' and O'1R the ``lateral aberration'' of the pencils with aperture u2.

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If all three constants of reproduction be achromatized, then the Gaussian image for all distances of objects is the same for the two colours, and the system is said to be in ``stable achromatism.''

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