Anastigmat

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  anastigmat \anastigmat\ n.
     1. compound lens or lens system designed to be free of
        astigmatism and able to form approximately point images.
        [WordNet 1.5]

From WordNet (r) 2.0 [wn]:



  anastigmat
       n : compound lens or lens system designed to be free of
           astigmatism and able to form approximately point images