| hhao100 |
2014-09-10 09:48 |
之前回家了，好久没登了，这个我也不知道 s~i 73Qk/
在modern lens design英文第一版中329页中有个注释提到了这个。看来是用来计算higher-order contributions的。 x->H~ /
#[ odjSb
The fifth, seventh, etc., orders may also be computed from paraxial raytrace data. xj<
K6
Buchdahl develops specific equations by which the higher-order contributions may be w ]%EJ|'
calculated. The equations for the fifth-order contributions are very complex and are usu- %4$J.6M
ally calculated as part of a computer optical software package
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