aplanatic
/ˌæpləˈnætɪk/
adjective
- Relating to a lens or optical system that is free from spherical aberration (a type of image distortion).
- The telescope uses an aplanatic lens to produce sharper images of distant stars.
- An aplanatic mirror system helps microscopes show clearer details of tiny specimens.
- Camera manufacturers often design aplanatic lenses to reduce blur in photographs.
Synonyms