An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشهشناختی اخترشناسی-اخترفیزیک
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afocal system
راژمان ِ اکانون
râžmân-e akânun
Fr.: système afocal
An optical system with object and image points at infinity.
See also:
→
afocal
; →
system
.