For ABERRATION we have terms and definitions in 3 topics. The topics are CCTV, Photography and Television.

ABERRATION (CCTV)

Any inherent deficiency of a lens or optical system. Aberrations are responsible for imperfections in shape or sharpness of the image.

ABERRATION (Photography)

(1) Something that prevents light from being brought into sharp focus, disenabling the formation of a clear image.(2) Lens flaw - the inability of a lens to reproduce an accurate, focused, sharp image. Aberration in simple lenses is sub-categorized into seven types:

ABERRATION (Television)

Imperfections in the focusing characteristics of a lens or lens system. Spherical aberration -- Light rays from the center of the lens would come to a focus at a different distance compared with light rays from the periphery of the lens, making the overall focus less precise. Chromatic aberration -- Light rays of different colors would come to a focus at different distances from a lens (red is "bent" or refracted least), giving a rainbow fringe around objects and also making the overall focus less precise.

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