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2011-01-01 16:21 |
找到參考資料了。 7~H.\4HB
"'zVwU From Smith, Modern Lens Design, 2nd ED, page 4 2n3g!M6~ =E~)svl6g Are aspheric surfaces free of aberration? {%PgR){qR TLWU7aj&! The conic aspherics (e.g., paraboloid, ellipsoid, hyperboloid, and the sphere) have z!>
H^v no spherical aberration if the object point is at one focal point and the \7elqX`.yY image is at the other. But if we depart from this condition we definitely 9&VfbrBM do get spherical aberration. l<"Z?z
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