aspheric
/eɪˈsfɛrɪk/
adjective
- Having a surface that is not perfectly spherical, used especially for lenses to reduce distortion and improve image quality.
- The telescope's aspheric mirror corrected the blurriness at the edges of the image.
- Aspheric contact lenses can provide clearer vision for people with certain eye conditions.
- Many modern camera lenses use aspheric elements to produce sharper photos.
Antonyms