主要是看人家的操作步骤,想学命令的人请看，十分有用 ~^r29' 3
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) bj>v|#r^
Display > View Lens (accept defaults, click OK, keep window open) 4hTMbS_;
In LDM spreadsheet, select surfaces 1 to Image K k-S}.E
Choose Edit > Default Variables, then click in any cell to unselect the range x"gd8j]s
Right click in each cell and choose Vary for JS CZ{v J$
Thickness of surfaces 1, 4, 6 ?7.7`1m !v
Glass of surfaces 1, 4, 6 IpcNuZo9&
File > Save Lens Y STv\y
Using Quick Analysis tool bar, click… 0c<.iM
Quick Spot Diagram (note scale) 0+kH:dP{
Quick Ray Aberration Plot (note scale) 5#+^E{
Quick Field Plot (note scales and maximum distortion value) ~&7MkkftM
Analysis > Diffraction > MTF Z K@N5/H(
Freq/Calc Tab: Maximum 68, Increment 17 0 ;AA /
Graphics tab: Max plot freq 68 6i.-6>< /
Click OK (keep window open, tear off starting MTF graph for later comparison) Rld!,t
Optimization > Automatic Design XF;ES3 d
Output controls: Click Draw System button ~,oMz<iMV
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) d(: 8M
Specific constraints: `Nb[G)Xh
Click Insert Specific Constraint FtfKe"qw
Default display is Optical Definitions, Effective Focal Length (correct choice) B"TAjB&
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Enter 8.25 for Constraint Target pgE}NlW
Click OK. ,+meT`'vn
File > Save Lens As (new name, digcam20_opt.len) zxbpEJzpn
Re-run View Lens window to see new lens picture. OZ
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Re-run each of the Quick Analysis windows and note scales. *KV0%)}sbL
Re-run the MTF window, compare to tear-off of starting point XINu=N(g
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以下直接复制到命令行即可出最终结果 b \$}>O
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! Command inputs for Workshop 2-2 (for reference) C/vI EYG4
!Restore 20 Degree Digital Camera Lens Setup =u2l. CX
!FILE > OPEN d4>Z8FF|1B
RES digcam20_start.len aTqd@},?
!Vary all radii curvature by right clicking in LDM and selecting VARY $RIecv<e_
!HINT: for curvatures highlight all and select vary. Then go back and QLEKsX7p>
!freeze stop surface radius. Vzdh8)Mu\
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 \n8] M\<
!Vary all thicknesses by same method. Do not select surface with solve since |"/ 8XA
!varying this surface will delete solve. If mistake, use UNDO or go to pgI^4h
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve .!$*:4ok
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 gcPTLh[^Er
THC S8 0 !Don't forget to vary the image distance which calculates best V EqS;~[
!best real-ray focus from paraxial image plane :(!` /#6H
!Vary glass by highlighting, right clicking, and selecting Vary 5q;GIw^L
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 TDFkxB>
!Optimize OPTIMIZATION > AUTOMATIC DESIGN toya fHf
AUT
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EFL Z1 = 8.25 !Effective Focal Length Constraint 7VqM $I
MNT 0.8 !Minimum Center Thickness General Constraint im9G,e
MNE 0.5 !Minimum Edge Thickness General Constraint q)S^P>
DRA S1..I YES !Draw a picture of lens system at each cycle s:/8[(A
GO z(_Ss@ $
!Reanalyze the system. Make sure to "Tear Off" original analysis before Bm.:^:& k
!re-executing to compare optimized system % NA9{<I
!Re-execute Drawing 8S mCpg
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GO 2 Ga7$q
!Re-execute MTF 6y+Kjd/D
MTF 5 44X1Ww2
MFR 68 7\ $qFF-y
IFR 17 )}D'<^=#T
GO )Dw,q~xgg0
!Re-execute Field (Distortion) Analysis .aAL]-Rj
FIE FbaEB RM
GO u37'~&o{U
!Save Lens FILE > SAVE LENS AS... WN?O'E=2
SAV digcam20_opt
