主要是看人家的操作步骤,想学命令的人请看，十分有用 B9 uoVcW
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) aXYY:;
Display > View Lens (accept defaults, click OK, keep window open) +'a^f5
In LDM spreadsheet, select surfaces 1 to Image reWot &;
Choose Edit > Default Variables, then click in any cell to unselect the range cT,sh~-x,
Right click in each cell and choose Vary for Fxz"DZY6
Thickness of surfaces 1, 4, 6 L2z[
Glass of surfaces 1, 4, 6 KpGhQdR#
File > Save Lens u#.2w)!D
Using Quick Analysis tool bar, click… +\9NDfYIA
Quick Spot Diagram (note scale) eauF ~md,
Quick Ray Aberration Plot (note scale) zF<R'XP
Quick Field Plot (note scales and maximum distortion value) uXvtfc
Analysis > Diffraction > MTF QWYJ *
Freq/Calc Tab: Maximum 68, Increment 17 :F ?C)F
Graphics tab: Max plot freq 68 bAMdI 5Zk?
Click OK (keep window open, tear off starting MTF graph for later comparison) |{ip T SH
Optimization > Automatic Design 0l6.<-f{
Output controls: Click Draw System button ms]sD3z/W+
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) O0.*Pmt
Specific constraints: 4Nsp<Kn>
Click Insert Specific Constraint ktIFI`@ w)
Default display is Optical Definitions, Effective Focal Length (correct choice) 9'B `]/L
Enter 8.25 for Constraint Target AwR =]W;j
Click OK. y9ZvV0
File > Save Lens As (new name, digcam20_opt.len) ? J0y|
Re-run View Lens window to see new lens picture. I?CZQ+}Hq
Re-run each of the Quick Analysis windows and note scales. *.[.
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Re-run the MTF window, compare to tear-off of starting point /n&&Um\
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以下直接复制到命令行即可出最终结果 %|oym.-I6
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! Command inputs for Workshop 2-2 (for reference) OyIw>Wfv
!Restore 20 Degree Digital Camera Lens Setup UEL _uij
!FILE > OPEN ; _=&-mz
RES digcam20_start.len 5^ Zg>I
!Vary all radii curvature by right clicking in LDM and selecting VARY o8MZiU1Xf
!HINT: for curvatures highlight all and select vary. Then go back and c71y'hnT
!freeze stop surface radius. ; tf=gdX;
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 lOp`m8_=
!Vary all thicknesses by same method. Do not select surface with solve since $~)SCbL^5
!varying this surface will delete solve. If mistake, use UNDO or go to <_+X 88
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve /-s6< e!
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ALHIGJW:6$
THC S8 0 !Don't forget to vary the image distance which calculates best a+QpM*n7Lq
!best real-ray focus from paraxial image plane j>kqz>3
!Vary glass by highlighting, right clicking, and selecting Vary wd 6owr
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 dh\P4
!Optimize OPTIMIZATION > AUTOMATIC DESIGN L/[K"
AUT h+,@G,|D
EFL Z1 = 8.25 !Effective Focal Length Constraint .+qpk*V\
MNT 0.8 !Minimum Center Thickness General Constraint d;>QhoiL
MNE 0.5 !Minimum Edge Thickness General Constraint 4p w H>1
DRA S1..I YES !Draw a picture of lens system at each cycle I1J-)R+
GO PvL[e"p
!Reanalyze the system. Make sure to "Tear Off" original analysis before dr"1s-D4IQ
!re-executing to compare optimized system qP
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!Re-execute Drawing m {}Lm)M
VIE (<l hn
GO TA\vZGJ('
!Re-execute MTF .)3 <Q}>
MTF Ort(AfW
MFR 68 4ppz, L,4
IFR 17 rM SZ"
GO 4Tc~b3\!Y
!Re-execute Field (Distortion) Analysis n+p }\msH
FIE XP}<N&j
GO YYS0`
!Save Lens FILE > SAVE LENS AS... CGFDqCNr-
SAV digcam20_opt
