anastigmat

noun

Meaning

A camera lens designed to correct astigmatism and other aberrations, allowing for a flat, sharp image across the entire field of view.

Examples

  • The invention of the anastigmat revolutionized early 20th-century photography by providing unprecedented edge-to-edge clarity.
  • Collectors often seek out vintage cameras equipped with an original anastigmat lens for their unique optical characteristics.

Synonyms: lens, objective, corrected lens, apochromat