主要是看人家的操作步骤,想学命令的人请看，十分有用 %kgkXc~6|x
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) H Ymn:?H
Display > View Lens (accept defaults, click OK, keep window open) JmEj{K< 3I
In LDM spreadsheet, select surfaces 1 to Image 9P{;H usNw
Choose Edit > Default Variables, then click in any cell to unselect the range T6ENtp
Right click in each cell and choose Vary for ;2Q~0a|
Thickness of surfaces 1, 4, 6 A=Ss6 -Je
Glass of surfaces 1, 4, 6 )&
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File > Save Lens r1fGJv1!o
Using Quick Analysis tool bar, click… S;]*) i,v
Quick Spot Diagram (note scale) Hr$QLtr
Quick Ray Aberration Plot (note scale) XV^1tX>f{
Quick Field Plot (note scales and maximum distortion value) SM@QUAXO
Analysis > Diffraction > MTF GRY2?' `
Freq/Calc Tab: Maximum 68, Increment 17 >ooZj9:'
Graphics tab: Max plot freq 68 zRPeNdX
Click OK (keep window open, tear off starting MTF graph for later comparison)
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Optimization > Automatic Design sN5B7)Vc
Output controls: Click Draw System button " ?mJqA
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) H*9~yT' Q
Specific constraints: qoAj]
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Click Insert Specific Constraint '}R i`
Default display is Optical Definitions, Effective Focal Length (correct choice) w|Nz_3tI
Enter 8.25 for Constraint Target |hr]>P1
Click OK. r;m)nRu
File > Save Lens As (new name, digcam20_opt.len) n9s iX
Re-run View Lens window to see new lens picture. >$ 2V%};
Re-run each of the Quick Analysis windows and note scales. V %Sy"IG
Re-run the MTF window, compare to tear-off of starting point 9Vf 1X z
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以下直接复制到命令行即可出最终结果 ;V<fB/S.=+
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! Command inputs for Workshop 2-2 (for reference) Gdg"gi!4
!Restore 20 Degree Digital Camera Lens Setup /JT#^Y
!FILE > OPEN f ^VP/rdg
RES digcam20_start.len @Pt="*g
!Vary all radii curvature by right clicking in LDM and selecting VARY H@l}WihW
!HINT: for curvatures highlight all and select vary. Then go back and L QjsOo
!freeze stop surface radius. u,6~qQczE
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 rylzcN9RM$
!Vary all thicknesses by same method. Do not select surface with solve since 5 # K4bA
!varying this surface will delete solve. If mistake, use UNDO or go to Qca&E`~Q
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 3d|9t9 v
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 h9 eMcCU
THC S8 0 !Don't forget to vary the image distance which calculates best 4rrSb*
!best real-ray focus from paraxial image plane D::rGB?.b
!Vary glass by highlighting, right clicking, and selecting Vary l<);s
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 $LU"?aAW
!Optimize OPTIMIZATION > AUTOMATIC DESIGN []D@Q+1
AUT .?l\g-;=
EFL Z1 = 8.25 !Effective Focal Length Constraint <n#DT
MNT 0.8 !Minimum Center Thickness General Constraint -a-(r 'Qc(
MNE 0.5 !Minimum Edge Thickness General Constraint f; b[w
DRA S1..I YES !Draw a picture of lens system at each cycle h*v8#\b$J_
GO GI&h `X5,e
!Reanalyze the system. Make sure to "Tear Off" original analysis before J_;o|gqX
!re-executing to compare optimized system Dtj&W<NXo
!Re-execute Drawing !50[z:
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GO h2D >; k
!Re-execute MTF Ng_!zrx04
MTF ye MB0Z*r
MFR 68 6H7],aMg$A
IFR 17 5 ;HH4?]p
GO $ ,
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!Re-execute Field (Distortion) Analysis ,S!az N=
FIE eow'K
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GO 6AhM =C
!Save Lens FILE > SAVE LENS AS... <%" b9T`'
SAV digcam20_opt
