李奧光闌

李奧光闌（Lyot stop）是由法國天文學家貝爾納·費迪南·李奧發明的光圈

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外部連結
*[http://umbra.gsfc.nasa.gov/spartan/coronagraphs.html NASA Coronographs]
[http://books.google.com/books?id=w3zD5LwGu0sC&pg=SA7-PA8&lpg=SA7-PA8&dq=lyot+stop&source=bl&ots=cPhC9RNqYM&sig=0VTfuyANvVM9xOkJc_o68Ik1-gQ&hl=en&ei=K9F4ToDyL4P10gGahZSVDA&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBsQ6AEwADgo#v=onepage&q=lyot%20stop&f=false Handbook of Optics*] by Bass et al.