least confusion circle

least con·fu·sion cir·cle

in the configuration of rays emerging from a spherocylindric lens system, the place where diverging rays of the lens first forming a line image are balanced by converging rays of the second lens.

least con·fu·sion cir·cle

(lēst kŏn-fyū'zhŭn sĭr'kĕl)
In the configuration of rays emerging from a spherocylindric lens system, the place where diverging rays of the lens first forming a line image are balanced by converging rays of the second lens.
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