主要是看人家的操作步骤,想学命令的人请看，十分有用 ESi'3mbeC
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) zTS P8Q7
Display > View Lens (accept defaults, click OK, keep window open) 6BH
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In LDM spreadsheet, select surfaces 1 to Image :J;&Z{
Choose Edit > Default Variables, then click in any cell to unselect the range XpIl-o&re
Right click in each cell and choose Vary for 6x iCTs0@
Thickness of surfaces 1, 4, 6 G3${\ '<
Glass of surfaces 1, 4, 6 KvY1bMU!
File > Save Lens }UX0 eI4
Using Quick Analysis tool bar, click… P&sYS<9q
Quick Spot Diagram (note scale) ')zf8>,
Quick Ray Aberration Plot (note scale) bvF-F$n%F
Quick Field Plot (note scales and maximum distortion value) sg%Ptp
Analysis > Diffraction > MTF t~_bquGk
Freq/Calc Tab: Maximum 68, Increment 17 w42=tN+ B
Graphics tab: Max plot freq 68 we&D"V
Click OK (keep window open, tear off starting MTF graph for later comparison) s_#6^_
Optimization > Automatic Design =O?? W8u
Output controls: Click Draw System button 'dJ(x
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) *o6hDhg
Specific constraints: lQKq{WLFx.
Click Insert Specific Constraint uy rS6e0
Default display is Optical Definitions, Effective Focal Length (correct choice) @FaK/lKK
Enter 8.25 for Constraint Target }s@vN8C
Click OK. [m0G;%KR/
File > Save Lens As (new name, digcam20_opt.len) P-?R\(QYtR
Re-run View Lens window to see new lens picture. <~ }NxY\5
Re-run each of the Quick Analysis windows and note scales. ypLt6(1j%
Re-run the MTF window, compare to tear-off of starting point OJT% ?P%@{
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以下直接复制到命令行即可出最终结果
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! Command inputs for Workshop 2-2 (for reference) LO@o`JF
!Restore 20 Degree Digital Camera Lens Setup $0&<Jx
!FILE > OPEN '7JM/AcC#K
RES digcam20_start.len A@ZsL
!Vary all radii curvature by right clicking in LDM and selecting VARY 'cPE7uNT
!HINT: for curvatures highlight all and select vary. Then go back and w,1&s}; g\
!freeze stop surface radius. J xsch\
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 X?++I 4\
!Vary all thicknesses by same method. Do not select surface with solve since L "5;<
!varying this surface will delete solve. If mistake, use UNDO or go to ub9,Wd"^
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ")i_{C,b^
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 (w1$m8`=
THC S8 0 !Don't forget to vary the image distance which calculates best MeDlsO
!best real-ray focus from paraxial image plane &~V6g(9
!Vary glass by highlighting, right clicking, and selecting Vary +o|I @7f
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 gt\*9P
!Optimize OPTIMIZATION > AUTOMATIC DESIGN cCv@f ks
AUT e/R$Sfj]
EFL Z1 = 8.25 !Effective Focal Length Constraint /3j3'~0
MNT 0.8 !Minimum Center Thickness General Constraint S7( tGD
MNE 0.5 !Minimum Edge Thickness General Constraint :&J1#% t
DRA S1..I YES !Draw a picture of lens system at each cycle GQ6~Si2
GO $ Gs|Z$(
!Reanalyze the system. Make sure to "Tear Off" original analysis before +wGFJLHJ
!re-executing to compare optimized system 5
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!Re-execute Drawing \[L|
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GO NX8.
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!Re-execute MTF yV t8QF!
MTF Odr<fvV,>
MFR 68 ODKHI\U
IFR 17 {r?+PQQ#
GO .TO#\!KBv
!Re-execute Field (Distortion) Analysis *T2kxN, Ik
FIE i|!W;2KL5
GO /)<Xoa
!Save Lens FILE > SAVE LENS AS... t#2 szr+
SAV digcam20_opt
