An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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entrance pupil
  مردمک ِ در‌آیش  
mardomak-e darâyeš
Fr.: pupille d'entrée  

In an → optical system, the image of the → aperture stop formed in → object space. See also → exit pupil.

See also: → entrance; → pupil.