主要是看人家的操作步骤,想学命令的人请看，十分有用 12lEs3
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) `E W!- v)
Display > View Lens (accept defaults, click OK, keep window open) zw]3Vg {T
In LDM spreadsheet, select surfaces 1 to Image p.C1 n h
Choose Edit > Default Variables, then click in any cell to unselect the range l<xFnj
Right click in each cell and choose Vary for $ @2"{9Z
Thickness of surfaces 1, 4, 6 vL$|9|W(
Glass of surfaces 1, 4, 6 !!WJ n}
File > Save Lens ra:GzkIw
Using Quick Analysis tool bar, click… )|RZa|`-G
Quick Spot Diagram (note scale) &DLhb90
Quick Ray Aberration Plot (note scale) nhewDDu
Quick Field Plot (note scales and maximum distortion value) `VZZ^K9zR
Analysis > Diffraction > MTF
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Freq/Calc Tab: Maximum 68, Increment 17 \5hw9T&[B
Graphics tab: Max plot freq 68 # h N.=~
Click OK (keep window open, tear off starting MTF graph for later comparison) ]G*$W+G]
Optimization > Automatic Design 1i'Z ei)
Output controls: Click Draw System button g/#~N~&
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) SKR ;wu
Specific constraints: _R74/ |
Click Insert Specific Constraint vLD i ;
Default display is Optical Definitions, Effective Focal Length (correct choice) !BUi)mo
Enter 8.25 for Constraint Target t8vc@of$c,
Click OK. TEWAZVE*
File > Save Lens As (new name, digcam20_opt.len) m gVML&^
Re-run View Lens window to see new lens picture. bMmra.x4L
Re-run each of the Quick Analysis windows and note scales. uN bIX:L,
Re-run the MTF window, compare to tear-off of starting point &SmXI5>Bo0
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以下直接复制到命令行即可出最终结果 .&iN(Bd
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! Command inputs for Workshop 2-2 (for reference) y]'CXCml)
!Restore 20 Degree Digital Camera Lens Setup p=B?/Sqa
!FILE > OPEN -~O/NX
RES digcam20_start.len W-XpJ\_
!Vary all radii curvature by right clicking in LDM and selecting VARY P}@*Z>j:#
!HINT: for curvatures highlight all and select vary. Then go back and &@6 GI<
!freeze stop surface radius. r6t&E %b
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ~z iexZ=N
!Vary all thicknesses by same method. Do not select surface with solve since t',BI
!varying this surface will delete solve. If mistake, use UNDO or go to c~+l-GIW m
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 0T))>.iu#
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 % [ Zz0|A
THC S8 0 !Don't forget to vary the image distance which calculates best oZ:{@ =
!best real-ray focus from paraxial image plane e$|VG*
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!Vary glass by highlighting, right clicking, and selecting Vary Wc|z7P~',%
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 5UO k)rOf
!Optimize OPTIMIZATION > AUTOMATIC DESIGN VR 4%v9[1
AUT _~A~+S}
EFL Z1 = 8.25 !Effective Focal Length Constraint 9m8ee& ,
MNT 0.8 !Minimum Center Thickness General Constraint M|r8KW~S)
MNE 0.5 !Minimum Edge Thickness General Constraint fsvYU0L
DRA S1..I YES !Draw a picture of lens system at each cycle qq;b~ 3 kW
GO I4il R$jg
!Reanalyze the system. Make sure to "Tear Off" original analysis before h8 =h >W-
!re-executing to compare optimized system D|Si)_
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!Re-execute Drawing zfjw;sUX
VIE Rp/-Pv
GO T~J? AKx
!Re-execute MTF C[YnrI!
MTF &fSTR-8ev#
MFR 68 J+Bdz6lt
IFR 17 e{C6by"j{S
GO "'A"U
!Re-execute Field (Distortion) Analysis _tj&Psp
FIE r )b<{u=]
GO !8$RB D %
!Save Lens FILE > SAVE LENS AS... qks|d_
SAV digcam20_opt
