Code V 給的是垂軸像差,Zemax 給的是Seidel像差係數 Xq37:E2
兩者需要簡單轉換如下: S{]3e-?
Lr\(7r
SA = S1 / (2n'u') : 3rd order spherical aberration pBBKfv
TCO = 3S2 / (2n'u') : 3rd order tangential coma n4XkhY|
TAS = (3S3+S4) / (2n'u') : 3rd order tangential astigmatic blur |pMP-
SAS = ( S3+S4) / (2n'u') : 3rd order sagittal astigmatic blur P@5-3]m=
PTB = S4 / (2n'u') : 3rd order Petzval blur Y Kp@n8A
DST = S5 / (2n'u') : 3rd order distortion S7cD}yx*[
SAbar= S6 / (2n'ub') : 3rd order pupil spheircal aberration +9t{ovF?L
dLFC = -CL / (n'u'^2) : Longitudinal chromatic aberration rij%l+%@#
AX = CL / (n'u') : Axial transverse chromatic aberration &+oJPpHi\
LAT = CT / (n'u') : Transverse chromatic aberration 8(q8}s$>
PTZ = -S4 / H^2 : Petzval surface curvature Zg4wd/y?
gwg~4:W
上式中: .9g :-hv
n'是像空間折射率 @{3_7
u'是邊緣光在像空間之傾斜角 VTDnh*\5
H 是光學不變量 ^:f)XZ
t)k;5B`> &
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。