optical aberration


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Related to optical aberration: spherical aberration

optical aberration

[′äp·tə·kəl ‚ab·ə′rā·shən]
(optics)
Deviation from perfect image formation by an optical system; examples are spherical aberration, coma, astigmatism, curvature of field, distortion, and chromatic aberration. Also known as aberration.
References in periodicals archive ?
When measuring an angle block, errors of a similar origin can occur because the hypotenuse is longer than the sides and consequently optical aberrations are not common mode.
Objective measurement of optical aberrations in myopic eyes.
The flat lens eliminates optical aberrations such as the "fish-eye" effect, that results from the conventional wide-angle lenses.
The new lenses offer minimised optical aberrations usually associated with conventional wrap lenses and give "optimum correction right from the start".
The ScanScope XT uses a linear-array scanning technique that generates digital slide images that have no tiling artifacts and are essentially free from optical aberrations along the scanning axis.
Optical aberrations (deviations from the "ideal" form) are better corrected in some designs than others, but like everything in life, the better the quality, the higher the price.
Objective: Intelligent Imaging Solutions (IIS) is currently the worldwide technical leader in correcting optical aberrations by means of blind deconvolution.
But the combination did produce slightly increased optical aberrations in the frame's corners.
Awarded a grant of 350,000 [pounds sterling] from the Engineering and Physical Science Research Council, Dr Ed Mallen (pictured right) will use the money to continue his work on optical aberrations of the human eye.
The Libra 200 FE-CRISP is a new type of scanning transmission electron microscope (STEM) that combines a monochromated electron source and a corrector for the optical aberrations of the illumination system.