主要是看人家的操作步骤,想学命令的人请看，十分有用 oaQW~R`_
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) c@g (_%_|2
Display > View Lens (accept defaults, click OK, keep window open) HWV A5E[`Y
In LDM spreadsheet, select surfaces 1 to Image O1~7#nJ*4[
Choose Edit > Default Variables, then click in any cell to unselect the range EPJ>@A>;D
Right click in each cell and choose Vary for Y-bTKSn
Thickness of surfaces 1, 4, 6 6/ 5c|
Glass of surfaces 1, 4, 6 ~qZ6I)?
File > Save Lens 2->Lz
Using Quick Analysis tool bar, click… CmXLD} L_x
Quick Spot Diagram (note scale) R]yce2w" z
Quick Ray Aberration Plot (note scale) |= cc >]
Quick Field Plot (note scales and maximum distortion value) m!KEK\5M?
Analysis > Diffraction > MTF rGQD+ d
Freq/Calc Tab: Maximum 68, Increment 17 lD0a<L 3
Graphics tab: Max plot freq 68 AM=> P 7
Click OK (keep window open, tear off starting MTF graph for later comparison) Qw5-/p=t
Optimization > Automatic Design =CO Qv= GT
Output controls: Click Draw System button C7F\Y1Wj
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 6~sU[thGW
Specific constraints: |$
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Click Insert Specific Constraint ]2l}[
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Default display is Optical Definitions, Effective Focal Length (correct choice) c3GB Y@m
Enter 8.25 for Constraint Target
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Click OK. r-Y J$/J
File > Save Lens As (new name, digcam20_opt.len) OK v2..8
Re-run View Lens window to see new lens picture. f/c&Ya(D~
Re-run each of the Quick Analysis windows and note scales. -ysNo4#e&
Re-run the MTF window, compare to tear-off of starting point Ej)7[
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以下直接复制到命令行即可出最终结果 cz,CL/rno
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! Command inputs for Workshop 2-2 (for reference) ]d[e
!Restore 20 Degree Digital Camera Lens Setup SW%}S* h
!FILE > OPEN c
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RES digcam20_start.len OIj.K@Kr
!Vary all radii curvature by right clicking in LDM and selecting VARY c*B< -
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!HINT: for curvatures highlight all and select vary. Then go back and x %`YV):*
!freeze stop surface radius. :l"B NT[/
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 vE,^K6q0`
!Vary all thicknesses by same method. Do not select surface with solve since L4 B/
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!varying this surface will delete solve. If mistake, use UNDO or go to .`~?w+ ~
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve cY5;~lO
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 xTu J~$(
THC S8 0 !Don't forget to vary the image distance which calculates best $)@D(m,ybd
!best real-ray focus from paraxial image plane 3O; H&
!Vary glass by highlighting, right clicking, and selecting Vary WZ>nA [/
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 N$Ad9W?T
!Optimize OPTIMIZATION > AUTOMATIC DESIGN "P?O1
AUT T16gq-h'
EFL Z1 = 8.25 !Effective Focal Length Constraint h2x9LPLBxT
MNT 0.8 !Minimum Center Thickness General Constraint iJE:>qOTD5
MNE 0.5 !Minimum Edge Thickness General Constraint 1OExa<Z q
DRA S1..I YES !Draw a picture of lens system at each cycle N@tKgx
GO 7omHorU+
!Reanalyze the system. Make sure to "Tear Off" original analysis before M.,DXEZT
!re-executing to compare optimized system a9;KS>~bq
!Re-execute Drawing 5- GS@ f Y
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GO ,v mn{g z
!Re-execute MTF 'fl.&" /r
MTF vGlVr.)
MFR 68 0ZwXuq
IFR 17 OnE%D|Tq=
GO a(6h`GHo
!Re-execute Field (Distortion) Analysis {e|.AD
FIE m
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GO C{m%]jKH
!Save Lens FILE > SAVE LENS AS... <A=1]'1\r
SAV digcam20_opt
