主要是看人家的操作步骤,想学命令的人请看，十分有用 |O>e=HC#q8
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) z8"1*V
Display > View Lens (accept defaults, click OK, keep window open) +: ms` Sr>
In LDM spreadsheet, select surfaces 1 to Image ?.F^Oi6
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Choose Edit > Default Variables, then click in any cell to unselect the range $'5rS$]a/
Right click in each cell and choose Vary for Zqe$S
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Thickness of surfaces 1, 4, 6 G;vj3#u?
Glass of surfaces 1, 4, 6 O/Hj-u6&A
File > Save Lens PPySOkmS3
Using Quick Analysis tool bar, click… 1Dhe!
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Quick Spot Diagram (note scale) xF Ths,w
Quick Ray Aberration Plot (note scale) *tRsm"}
Quick Field Plot (note scales and maximum distortion value) \MmOI<Hd-
Analysis > Diffraction > MTF zb4@U=?w}
Freq/Calc Tab: Maximum 68, Increment 17 CEw%_U@8
Graphics tab: Max plot freq 68 S& IW]ffK
Click OK (keep window open, tear off starting MTF graph for later comparison) ' / \*l<
Optimization > Automatic Design -V~Fj~b#
Output controls: Click Draw System button _6h.<BR
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) /Ta-3Eh!
Specific constraints: CP2wg .
Click Insert Specific Constraint S _U |w9q
Default display is Optical Definitions, Effective Focal Length (correct choice) MbInXv$q2/
Enter 8.25 for Constraint Target @73kry v
Click OK. eXnSH$uI
File > Save Lens As (new name, digcam20_opt.len) 5 RWqHPw+
Re-run View Lens window to see new lens picture. iZ}c[hC'3`
Re-run each of the Quick Analysis windows and note scales. 3o>JJJ=]
Re-run the MTF window, compare to tear-off of starting point V O {z)_
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以下直接复制到命令行即可出最终结果 0',buJncV
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! Command inputs for Workshop 2-2 (for reference) &{<hY|%
!Restore 20 Degree Digital Camera Lens Setup b3[!1 i
!FILE > OPEN S!$S'{f<
RES digcam20_start.len +UX~'t_'v
!Vary all radii curvature by right clicking in LDM and selecting VARY _U4@W+lhX_
!HINT: for curvatures highlight all and select vary. Then go back and O9?.J,,mVh
!freeze stop surface radius. P* &0HbJ
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 l"`VvW[
!Vary all thicknesses by same method. Do not select surface with solve since P/WGB~NH
!varying this surface will delete solve. If mistake, use UNDO or go to S~fP$L5
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve m(9I+`
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ^;s/4
THC S8 0 !Don't forget to vary the image distance which calculates best l8+)Xk>
!best real-ray focus from paraxial image plane rf]z 5;
!Vary glass by highlighting, right clicking, and selecting Vary JtMl/h
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 NhNd+SCZ@
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Qt>kythi
AUT 5+oY c-
EFL Z1 = 8.25 !Effective Focal Length Constraint $")Gd@ aR
MNT 0.8 !Minimum Center Thickness General Constraint q&9]4j
MNE 0.5 !Minimum Edge Thickness General Constraint lo6upir ZX
DRA S1..I YES !Draw a picture of lens system at each cycle Rsq EAdZw[
GO (vD==n9Hd
!Reanalyze the system. Make sure to "Tear Off" original analysis before 7 _j t =sr
!re-executing to compare optimized system v9 /37AU
!Re-execute Drawing J> ,w},`
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GO YG= :lf
!Re-execute MTF y1}2hT0,
MTF _](y<O^9yO
MFR 68 t$VRNZ`dy
IFR 17 h/:LC 7
GO OMo /a%`
!Re-execute Field (Distortion) Analysis $ `\qY ^.(
FIE #tsP
GO (7! pc
!Save Lens FILE > SAVE LENS AS... [hot,\+f
SAV digcam20_opt
