主要是看人家的操作步骤,想学命令的人请看，十分有用 NY
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) bAp`lmFI
Display > View Lens (accept defaults, click OK, keep window open) GWKefH
In LDM spreadsheet, select surfaces 1 to Image 4NV1v&"
Choose Edit > Default Variables, then click in any cell to unselect the range -; }Wm[
Right click in each cell and choose Vary for Gj 3/&'k6
Thickness of surfaces 1, 4, 6 x]Ef}g
Glass of surfaces 1, 4, 6 t
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File > Save Lens 1CbC|q
Using Quick Analysis tool bar, click… k
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Quick Spot Diagram (note scale) ~ \P.gSiz
Quick Ray Aberration Plot (note scale) 2+PIZ6=hN
Quick Field Plot (note scales and maximum distortion value) ikQ2x]Sp
Analysis > Diffraction > MTF > R=YF* t
Freq/Calc Tab: Maximum 68, Increment 17 X 6RM2
Graphics tab: Max plot freq 68 B|v
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Click OK (keep window open, tear off starting MTF graph for later comparison) CR<l"~ X
Optimization > Automatic Design \m&:J >^
Output controls: Click Draw System button K-ebAa iC
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) .+yJ'*i$d
Specific constraints: S[ M$>
Click Insert Specific Constraint *?{)i~
Default display is Optical Definitions, Effective Focal Length (correct choice) M3%< kk-_
Enter 8.25 for Constraint Target ']Z8C)tK
Click OK. t&_lpff v
File > Save Lens As (new name, digcam20_opt.len) fJuJ#MX{:
Re-run View Lens window to see new lens picture. }R^{< {KVJ
Re-run each of the Quick Analysis windows and note scales. i ^#R iCeo
Re-run the MTF window, compare to tear-off of starting point &! ZpB R(
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以下直接复制到命令行即可出最终结果 pN[i%\vh
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! Command inputs for Workshop 2-2 (for reference) e
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!Restore 20 Degree Digital Camera Lens Setup ''G @ n*
!FILE > OPEN aC*J=_9o #
RES digcam20_start.len 8Ex0[ e
!Vary all radii curvature by right clicking in LDM and selecting VARY dSbV{*B;>
!HINT: for curvatures highlight all and select vary. Then go back and Mt u8zm
!freeze stop surface radius.
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CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 u|e2T@t=
!Vary all thicknesses by same method. Do not select surface with solve since ^IpS 3y
!varying this surface will delete solve. If mistake, use UNDO or go to EOL03N
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 8g\.1<~
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 AOpfByw
THC S8 0 !Don't forget to vary the image distance which calculates best - Db(
!best real-ray focus from paraxial image plane ~F WmT(S
!Vary glass by highlighting, right clicking, and selecting Vary < javZJ
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 Z,*VRuA
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 3jeR;N]x
AUT >|<6s],v
EFL Z1 = 8.25 !Effective Focal Length Constraint `g7'
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MNT 0.8 !Minimum Center Thickness General Constraint ;Bm{_$hf=
MNE 0.5 !Minimum Edge Thickness General Constraint Rzp-Q5@M Y
DRA S1..I YES !Draw a picture of lens system at each cycle ws=y*7$y
GO 0/c4%+
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!Reanalyze the system. Make sure to "Tear Off" original analysis before ]BA8[2=m
!re-executing to compare optimized system D3eK!'qS
!Re-execute Drawing !*p lK6a
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GO bz1\EkLL
!Re-execute MTF K|iNEhuc
MTF <R2bz1!h.
MFR 68 LTxOq|/Cq
IFR 17 TWy1) 30x
GO %B L +'&q
!Re-execute Field (Distortion) Analysis IySlu^a
FIE X]N8 'Yt
GO H]cCyuCdH
!Save Lens FILE > SAVE LENS AS... 1UOFTI2S|
SAV digcam20_opt
