主要是看人家的操作步骤,想学命令的人请看，十分有用 "t%Jj89a\
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) NH<~B C]I
Display > View Lens (accept defaults, click OK, keep window open) r"!xI
In LDM spreadsheet, select surfaces 1 to Image CU@}{}Yl
Choose Edit > Default Variables, then click in any cell to unselect the range Gq-~z mg
Right click in each cell and choose Vary for .l$U:d
Thickness of surfaces 1, 4, 6 m4?a'z"
Glass of surfaces 1, 4, 6 5'/f f=
File > Save Lens >%LY0(hY3
Using Quick Analysis tool bar, click… ^s\T<;
Quick Spot Diagram (note scale) Nxr\Yey
Quick Ray Aberration Plot (note scale) oQ}K_} {>
Quick Field Plot (note scales and maximum distortion value) "KgNMNep
Analysis > Diffraction > MTF v8K`cijSS
Freq/Calc Tab: Maximum 68, Increment 17 vZ1?4 hG
Graphics tab: Max plot freq 68 0UhJ
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Click OK (keep window open, tear off starting MTF graph for later comparison) 9V|) 3GF
Optimization > Automatic Design F *1w8+
Output controls: Click Draw System button +
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General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) r@EHn[w
Specific constraints: dF><XZph
Click Insert Specific Constraint = w/AJ%6
Default display is Optical Definitions, Effective Focal Length (correct choice) B+z>$6
Enter 8.25 for Constraint Target }/QtIY#I
Click OK. WAf "|
File > Save Lens As (new name, digcam20_opt.len) Ax*xa6_2
Re-run View Lens window to see new lens picture. PYTwyqS
Re-run each of the Quick Analysis windows and note scales. QUDpA W
Re-run the MTF window, compare to tear-off of starting point zKT4j1 h
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以下直接复制到命令行即可出最终结果 4 %V9
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! Command inputs for Workshop 2-2 (for reference) ] 3~ u @6
!Restore 20 Degree Digital Camera Lens Setup xnHB
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!FILE > OPEN mbns%%GJU
RES digcam20_start.len 5A+@xhRf
!Vary all radii curvature by right clicking in LDM and selecting VARY L{oG'aK4
!HINT: for curvatures highlight all and select vary. Then go back and <H$!OPV
!freeze stop surface radius. n=?wX#rEC#
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 MT6" b
!Vary all thicknesses by same method. Do not select surface with solve since dZX;k0
!varying this surface will delete solve. If mistake, use UNDO or go to Oh%p1 $H
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve Bj G fUQ
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 5fRr d;
THC S8 0 !Don't forget to vary the image distance which calculates best ^SK!? M
!best real-ray focus from paraxial image plane [^D>xD3B2
!Vary glass by highlighting, right clicking, and selecting Vary rBOH9L
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 - ,?LS w
!Optimize OPTIMIZATION > AUTOMATIC DESIGN O[\mPFu5
AUT %cBOi_}}~
EFL Z1 = 8.25 !Effective Focal Length Constraint
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MNT 0.8 !Minimum Center Thickness General Constraint =~5N/!
MNE 0.5 !Minimum Edge Thickness General Constraint hM[3l1o{|
DRA S1..I YES !Draw a picture of lens system at each cycle jib pZ)
GO m6#a {
!Reanalyze the system. Make sure to "Tear Off" original analysis before #M4LG; B
!re-executing to compare optimized system 6)BPDfU,
!Re-execute Drawing aKE`nA0\B
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GO Xpp v
!Re-execute MTF O3mw5<%15
MTF )5n:UD{f[#
MFR 68 (UCCEQq5
IFR 17 I9m9`4BK
GO [$td:N
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!Re-execute Field (Distortion) Analysis : dNJ2&kJ
FIE I@\D
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GO R+_!FnOJ
!Save Lens FILE > SAVE LENS AS... bZr,jLEf
SAV digcam20_opt
