Code V 給的是垂軸像差,Zemax 給的是Seidel像差係數 s+omCr|H;A
兩者需要簡單轉換如下: .5s#JL
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SA = S1 / (2n'u') : 3rd order spherical aberration XCAy _fL<B
TCO = 3S2 / (2n'u') : 3rd order tangential coma }HLs.k4-;
TAS = (3S3+S4) / (2n'u') : 3rd order tangential astigmatic blur ;]c:0W'
SAS = ( S3+S4) / (2n'u') : 3rd order sagittal astigmatic blur GJeP~
PTB = S4 / (2n'u') : 3rd order Petzval blur ~R+,4
DST = S5 / (2n'u') : 3rd order distortion Vs"1:gi&
SAbar= S6 / (2n'ub') : 3rd order pupil spheircal aberration `<oNEr+#
dLFC = -CL / (n'u'^2) : Longitudinal chromatic aberration AuW-XK.
AX = CL / (n'u') : Axial transverse chromatic aberration 7kT&}`g.
LAT = CT / (n'u') : Transverse chromatic aberration &;x*uG
PTZ = -S4 / H^2 : Petzval surface curvature lL<LJ
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上式中: q4xP<b^
n'是像空間折射率 R?Ou=p
.
u'是邊緣光在像空間之傾斜角 zn3]vU!
H 是光學不變量 qRbU@o.3
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另外,不同軟體及書本對Seidel像差係數的定義可能差一負號,請小心。