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2011-01-01 16:21 |
找到參考資料了。 a!>AhOk. v4S|&m From Smith, Modern Lens Design, 2nd ED, page 4 >eU;lru2Q o\2#}eie Are aspheric surfaces free of aberration? 7tt&/k?Q *?i~AXJm The conic aspherics (e.g., paraboloid, ellipsoid, hyperboloid, and the sphere) have ]7br*t^zv no spherical aberration if the object point is at one focal point and the isDr|g$S image is at the other. But if we depart from this condition we definitely 2KPXRK do get spherical aberration. (sPZ1Fr\o
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