Code V 給的是垂軸像差,Zemax 給的是Seidel像差係數 1wi{lJaz
兩者需要簡單轉換如下: Ti=~y cwi
CT6a
SA = S1 / (2n'u') : 3rd order spherical aberration Lg
sQz(-
TCO = 3S2 / (2n'u') : 3rd order tangential coma Wu,'S;>C
TAS = (3S3+S4) / (2n'u') : 3rd order tangential astigmatic blur ZS4lb=)G
SAS = ( S3+S4) / (2n'u') : 3rd order sagittal astigmatic blur .3t[M0sd
PTB = S4 / (2n'u') : 3rd order Petzval blur wMT?p/9Blm
DST = S5 / (2n'u') : 3rd order distortion '&xv)tno
SAbar= S6 / (2n'ub') : 3rd order pupil spheircal aberration L/_OgL]YdI
dLFC = -CL / (n'u'^2) : Longitudinal chromatic aberration ^$4d'
AX = CL / (n'u') : Axial transverse chromatic aberration O)kC[e4
LAT = CT / (n'u') : Transverse chromatic aberration #-+!t<\
PTZ = -S4 / H^2 : Petzval surface curvature 3;u* _ ]N_
a.y_o50#T
上式中: 1aS[e%9Mg
n'是像空間折射率 A_muuOIcI
u'是邊緣光在像空間之傾斜角 {r#2X1
H 是光學不變量 FQ*4?D,A
/0uZ(F|>I
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。