主要是看人家的操作步骤,想学命令的人请看,十分有用 Z^~6pH\
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) =0f8W=d:Vr
Display > View Lens (accept defaults, click OK, keep window open) xK
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In LDM spreadsheet, select surfaces 1 to Image ?Jr<gn^D
Choose Edit > Default Variables, then click in any cell to unselect the range {(q Un
Right click in each cell and choose Vary for <bjy<98LT
Thickness of surfaces 1, 4, 6 hy]AH)?pR
Glass of surfaces 1, 4, 6 /Z@.;M
File > Save Lens *ap#*}r!Nk
Using Quick Analysis tool bar, click… z::2O/ho
Quick Spot Diagram (note scale) eS.]@E-T
Quick Ray Aberration Plot (note scale) mY
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Quick Field Plot (note scales and maximum distortion value) 6h,'#|:d
Analysis > Diffraction > MTF nx+&
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Freq/Calc Tab: Maximum 68, Increment 17 $I/p 6
Graphics tab: Max plot freq 68 (\I =v".
Click OK (keep window open, tear off starting MTF graph for later comparison) &%bX&;ECzf
Optimization > Automatic Design 8)tyn'~i
Output controls: Click Draw System button 2?ednMoE
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) kL3=7t^ 1
Specific constraints: }dR*bG
Click Insert Specific Constraint c"$_V[m
Default display is Optical Definitions, Effective Focal Length (correct choice) ^\6UTnS.
Enter 8.25 for Constraint Target JQ1VCG
Click OK. POG5x
File > Save Lens As (new name, digcam20_opt.len) ( 0h]<7
Re-run View Lens window to see new lens picture. P>kx{^
Re-run each of the Quick Analysis windows and note scales. B)|s.Ez
Re-run the MTF window, compare to tear-off of starting point l^"G \ZVI
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以下直接复制到命令行即可出最终结果 W!(Q_B
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! Command inputs for Workshop 2-2 (for reference) gi6_la+
!Restore 20 Degree Digital Camera Lens Setup +vnaEy
!FILE > OPEN yh)q96m-V=
RES digcam20_start.len \'KzSkC8
!Vary all radii curvature by right clicking in LDM and selecting VARY ? c+;
!HINT: for curvatures highlight all and select vary. Then go back and 6GN'rVr!Z
!freeze stop surface radius. ')aYkO{%sb
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 '8JaD6W9S
!Vary all thicknesses by same method. Do not select surface with solve since oEN_,cUp
!varying this surface will delete solve. If mistake, use UNDO or go to s^
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!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve *k}d@j,*"
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 l*u@T|Fc$
THC S8 0 !Don't forget to vary the image distance which calculates best ?.s*)n
!best real-ray focus from paraxial image plane 3YRzBf:h
!Vary glass by highlighting, right clicking, and selecting Vary k?#6j1pn
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 a~|ge9?
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!Optimize OPTIMIZATION > AUTOMATIC DESIGN #n"/9%35f`
AUT )'g vaT
EFL Z1 = 8.25 !Effective Focal Length Constraint %'HUC>ChN
MNT 0.8 !Minimum Center Thickness General Constraint (`p(c;"*C!
MNE 0.5 !Minimum Edge Thickness General Constraint 0d2%CsMS"D
DRA S1..I YES !Draw a picture of lens system at each cycle >gE_?%a[
GO 9s)oC$\
!Reanalyze the system. Make sure to "Tear Off" original analysis before Bz{
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!re-executing to compare optimized system -*A'6%`
!Re-execute Drawing WToAT;d2h
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GO ;GAYcVB
!Re-execute MTF 2~<0<^j/]
MTF (G VGoh&
MFR 68 p1nA7;B-m
IFR 17 'w2;oO
GO [;I8 ZVE
!Re-execute Field (Distortion) Analysis -ZB"Yg$l
FIE F*4+7$E0B
GO n3N"Ax
!Save Lens FILE > SAVE LENS AS... dc)Gk
SAV digcam20_opt