anastigmat
1. [ noun ] (physics,optics) compound lens or lens system designed to be free of astigmatism and able to form approximately point images
Related terms: lens
Similar spelling:   anastigmatic
  Anastasia
  Anastacia
  Anastatica
  anastomotic
  anoestrum
  Anastomus
  Anastasio
  anisette
  anastomose
  amastia