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2011-01-01 16:21 |
找到參考資料了。 p4O[X\T x| D|d} From Smith, Modern Lens Design, 2nd ED, page 4 (e_p8[x .mwW`D Are aspheric surfaces free of aberration? )6"p@1\u /xSJljexz The conic aspherics (e.g., paraboloid, ellipsoid, hyperboloid, and the sphere) have $EIKi'!8 no spherical aberration if the object point is at one focal point and the <:(;#&< image is at the other. But if we depart from this condition we definitely }X])055S do get spherical aberration. e6J>qwD?
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