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curvature of field

noun, Optics.
1.
a monochromatic aberration of a lens or other optical system in which the focal surface is curved, the refracted image of an object oriented perpendicular to the axis of the lens lying on a curved surface rather than in a plane perpendicular to the axis.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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  • The eye can normally compensate for varying light intensities, curvature of field and depth of field.

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