field curvature

field curvature

See curvature of field.

field curvature

[′fēld ‚kər·və·chər]
References in periodicals archive ?
Generally, in any riflescope, distortion and field curvature are greater at lower powers.
Another phenomenon is related to field curvature or Petzval curvature.
Field curvature is still present so the point image is not on the FPS.
Field curvature is eliminated, so the image can be made to coincide with the FPS.
The lens' optimized power distribution helps to minimize field curvature, prevent a loss of image quality at the edges of photographs and produce outstanding image quality.