主要是看人家的操作步骤,想学命令的人请看，十分有用 Y~{<Hs
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) m;>G]Sbe
Display > View Lens (accept defaults, click OK, keep window open) c^pQitPv
In LDM spreadsheet, select surfaces 1 to Image qGMU>J.;c
Choose Edit > Default Variables, then click in any cell to unselect the range $%"hhju
Right click in each cell and choose Vary for ob2_=hQnC
Thickness of surfaces 1, 4, 6 Y%0rji
Glass of surfaces 1, 4, 6 {J,"iJKop
File > Save Lens (GpP=lSSeY
Using Quick Analysis tool bar, click… 0#8, (6
Quick Spot Diagram (note scale) a)=|{ QR>W
Quick Ray Aberration Plot (note scale) m;{HlDez
Quick Field Plot (note scales and maximum distortion value) rXMc0SPk
Analysis > Diffraction > MTF se2Y:v
Freq/Calc Tab: Maximum 68, Increment 17 hE`d@
Graphics tab: Max plot freq 68 KU
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Click OK (keep window open, tear off starting MTF graph for later comparison) PI`Y%! P
Optimization > Automatic Design ' /6f2[%Y"
Output controls: Click Draw System button G"-V6CA[
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) )uo".n|n~B
Specific constraints: ^9 LoxU-
Click Insert Specific Constraint e Ru5/y~
Default display is Optical Definitions, Effective Focal Length (correct choice) 6Y,& q| K
Enter 8.25 for Constraint Target %k['<BYG<
Click OK. pt3)yj&XE
File > Save Lens As (new name, digcam20_opt.len) G7+ {O7
Re-run View Lens window to see new lens picture. x"R F[ d
Re-run each of the Quick Analysis windows and note scales. a.gMH
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Re-run the MTF window, compare to tear-off of starting point Q%? %zuU
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以下直接复制到命令行即可出最终结果 i V ?8'^
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! Command inputs for Workshop 2-2 (for reference) bCC &5b
!Restore 20 Degree Digital Camera Lens Setup h?OSmzRLd
!FILE > OPEN >yn]h4M
RES digcam20_start.len Yu_
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!Vary all radii curvature by right clicking in LDM and selecting VARY SSE,G!@
!HINT: for curvatures highlight all and select vary. Then go back and u?MhK# Mr
!freeze stop surface radius. RfD#/G3|
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 $^ ^M&[b-
!Vary all thicknesses by same method. Do not select surface with solve since |zP~/
!varying this surface will delete solve. If mistake, use UNDO or go to =LK`m NA
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve @jMo/kO/A
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 uuD2O )v
THC S8 0 !Don't forget to vary the image distance which calculates best N5=}0 s]e
!best real-ray focus from paraxial image plane Z`GEF|eh
!Vary glass by highlighting, right clicking, and selecting Vary W=293mME
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 h>[ qXz
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Hmhsb2`\
AUT piIz ff
EFL Z1 = 8.25 !Effective Focal Length Constraint StTxga|
MNT 0.8 !Minimum Center Thickness General Constraint sg}<()
MNE 0.5 !Minimum Edge Thickness General Constraint W1 xPK*
DRA S1..I YES !Draw a picture of lens system at each cycle w%)RX<h dI
GO %++:
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!Reanalyze the system. Make sure to "Tear Off" original analysis before <kwF<J
!re-executing to compare optimized system +,ar`:x &a
!Re-execute Drawing p xedj
VIE %P<fz1
GO P(8
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!Re-execute MTF US9aW)8
MTF *& );-r`.
MFR 68 d$+0 ;D4E
IFR 17
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GO U*sQ 5uq
!Re-execute Field (Distortion) Analysis XfMUodV-OZ
FIE uBg #zx
GO ' w72i/
!Save Lens FILE > SAVE LENS AS... ZTfW _0
SAV digcam20_opt
