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单词 spherical aberration
释义

spherical aberration

noun
A loss of definition in the image arising from the surface geometry of a spherical mirror or lens.The undercorrected spherical aberration of the mirror is offset by the overcorrected spherical aberration of the negative lens....
  • Typical aberrations that can impact imaging performance include astigmatism, chromatic aberration, and spherical aberration.
  • This spherical aberration means that an observer looking at a background star through a gravitational lens sees two magnified and distorted images on opposite sides of the lensing star.
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更新时间:2025/2/23 20:39:55