主要是看人家的操作步骤,想学命令的人请看，十分有用 a*P v^Np-v
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) . g#}2:3
Display > View Lens (accept defaults, click OK, keep window open) JW
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In LDM spreadsheet, select surfaces 1 to Image OrkcY39"~a
Choose Edit > Default Variables, then click in any cell to unselect the range h4hAzFQ.s
Right click in each cell and choose Vary for aTvyz r1
Thickness of surfaces 1, 4, 6 )Te\6qM
Glass of surfaces 1, 4, 6 <W n~s=
File > Save Lens 8<VDp Y
Using Quick Analysis tool bar, click… Y 25`vE(
Quick Spot Diagram (note scale) S7+>Mk
Quick Ray Aberration Plot (note scale) :Aw wt0
Quick Field Plot (note scales and maximum distortion value) ht -'O"d:
Analysis > Diffraction > MTF xWxHi6U(
Freq/Calc Tab: Maximum 68, Increment 17 opfnIkCe
Graphics tab: Max plot freq 68 56Wh<i3
Click OK (keep window open, tear off starting MTF graph for later comparison) f(Xin3#'
Optimization > Automatic Design bpY*;o$~
Output controls: Click Draw System button PaTO lHr
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 0~nX7
Specific constraints: Zux L2W
Click Insert Specific Constraint V^s, 3C
Default display is Optical Definitions, Effective Focal Length (correct choice) )z7CT|h7S
Enter 8.25 for Constraint Target @K"$M>n$Z
Click OK. LphCx6f,X
File > Save Lens As (new name, digcam20_opt.len) 4e#g{,
Re-run View Lens window to see new lens picture. @/#G2<Vp1
Re-run each of the Quick Analysis windows and note scales. D <iG*I
Re-run the MTF window, compare to tear-off of starting point C6 e5*S
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以下直接复制到命令行即可出最终结果 5RT# H0/+
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! Command inputs for Workshop 2-2 (for reference) !XTzsN
!Restore 20 Degree Digital Camera Lens Setup Id?-Og2i V
!FILE > OPEN Y1 Ql_
RES digcam20_start.len ) 8xbc&M
!Vary all radii curvature by right clicking in LDM and selecting VARY jZ~girA
!HINT: for curvatures highlight all and select vary. Then go back and k)+{Y v*
!freeze stop surface radius. #66i! }
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 dw6ysOR@
!Vary all thicknesses by same method. Do not select surface with solve since ,zjz "7'
!varying this surface will delete solve. If mistake, use UNDO or go to gbdzS6XW~
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve PcsYy]Q/
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 u&* [
THC S8 0 !Don't forget to vary the image distance which calculates best LuRCkKJ
!best real-ray focus from paraxial image plane 5%TSUU+<I
!Vary glass by highlighting, right clicking, and selecting Vary N1Y
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GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 5B~]%_gZr
!Optimize OPTIMIZATION > AUTOMATIC DESIGN nzbVI
AUT Yv1yRoDv
EFL Z1 = 8.25 !Effective Focal Length Constraint Q%6zr9
MNT 0.8 !Minimum Center Thickness General Constraint _#~D{91
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MNE 0.5 !Minimum Edge Thickness General Constraint Da<`|
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DRA S1..I YES !Draw a picture of lens system at each cycle Af\@J6viF7
GO 5B%KiE&p
!Reanalyze the system. Make sure to "Tear Off" original analysis before f hg'4FO
!re-executing to compare optimized system oyiG04H&
!Re-execute Drawing 6EY\
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GO %]F/!n
!Re-execute MTF ;Q t%>Uo8
MTF \6AM?}v
MFR 68 \FO`WUAF
IFR 17 hvI#D>Z!Yp
GO jct=Nee|
!Re-execute Field (Distortion) Analysis z$ QoMq]
FIE 8A 0a/
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GO E!X> C^
!Save Lens FILE > SAVE LENS AS... [m! P(o
SAV digcam20_opt
