Anastigmat
[ә'næstigmæt]
Definition
(noun.) compound lens or lens system designed to be free of astigmatism and able to form approximately point images.
Typist: Nigel--From WordNet
[ә'næstigmæt]
(noun.) compound lens or lens system designed to be free of astigmatism and able to form approximately point images.
Typist: Nigel--From WordNet