主要是看人家的操作步骤,想学命令的人请看，十分有用 \]pRu"
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 'lwLe3.c
Display > View Lens (accept defaults, click OK, keep window open) zFVNb
In LDM spreadsheet, select surfaces 1 to Image QRb iO
Choose Edit > Default Variables, then click in any cell to unselect the range $|~YXH~O
Right click in each cell and choose Vary for 7 ,Tg>,%Q
Thickness of surfaces 1, 4, 6 p^1s9CM%
Glass of surfaces 1, 4, 6 )Zx;Z[
File > Save Lens 6^
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Using Quick Analysis tool bar, click… owYf1=G
Quick Spot Diagram (note scale) >
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Quick Ray Aberration Plot (note scale) -olD!zKS
Quick Field Plot (note scales and maximum distortion value) m,U Mb#7Y
Analysis > Diffraction > MTF k@QU<cvI
Freq/Calc Tab: Maximum 68, Increment 17 D|`O8o?)
Graphics tab: Max plot freq 68 6
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Click OK (keep window open, tear off starting MTF graph for later comparison) 7P!<c/ E
Optimization > Automatic Design 2xy
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Output controls: Click Draw System button CjW`c Hd
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) p'PHBb8I
Specific constraints: w@ 1g_dy
Click Insert Specific Constraint $#q:\yQsPC
Default display is Optical Definitions, Effective Focal Length (correct choice) ,S . <qmf
Enter 8.25 for Constraint Target @lvvI< U
Click OK. c s0;:H*N*
File > Save Lens As (new name, digcam20_opt.len) b [}f]pB@n
Re-run View Lens window to see new lens picture. ;2lKo ="
Re-run each of the Quick Analysis windows and note scales. C(o]3):?
Re-run the MTF window, compare to tear-off of starting point Y`$dtg {
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以下直接复制到命令行即可出最终结果 ')!+>b(P
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! Command inputs for Workshop 2-2 (for reference) t;?M#I\,{
!Restore 20 Degree Digital Camera Lens Setup b5r .N1m s
!FILE > OPEN 3Yu1ZuIR
RES digcam20_start.len frB~ajXK
!Vary all radii curvature by right clicking in LDM and selecting VARY Z/#l~.o[
!HINT: for curvatures highlight all and select vary. Then go back and xqV>m
!freeze stop surface radius. uCX+Lw+As
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 tu.Tvtudzj
!Vary all thicknesses by same method. Do not select surface with solve since x\/N09
!varying this surface will delete solve. If mistake, use UNDO or go to cb ICO
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve QuEfV ?)_4
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ){y wk
THC S8 0 !Don't forget to vary the image distance which calculates best } 6Y D5?4
!best real-ray focus from paraxial image plane >e F4YZ"
!Vary glass by highlighting, right clicking, and selecting Vary 0#K?SuY.eN
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 cL/ 6p0S
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 3aMfZa<=
AUT +n#kpi'T
EFL Z1 = 8.25 !Effective Focal Length Constraint mc{gcZIm
MNT 0.8 !Minimum Center Thickness General Constraint qI m?F>> @
MNE 0.5 !Minimum Edge Thickness General Constraint gDY+'6m;
DRA S1..I YES !Draw a picture of lens system at each cycle '<(S*&s
GO EP!zcp2' C
!Reanalyze the system. Make sure to "Tear Off" original analysis before Ps<6 kQ(
!re-executing to compare optimized system L`$m<9w'
!Re-execute Drawing ]
T `6Hz!
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GO vn5X]U"
!Re-execute MTF KC@F"/h`/
MTF U%E 6"Hg
MFR 68 8&q|*/2
IFR 17 (wxdT6RVm\
GO j,7NLb9M
!Re-execute Field (Distortion) Analysis #.
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FIE {Pi+VuLE
GO sY @S
!Save Lens FILE > SAVE LENS AS... jlh yn0
SAV digcam20_opt
