主要是看人家的操作步骤,想学命令的人请看，十分有用 o , d:{tt
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) \"Np '$4eu
Display > View Lens (accept defaults, click OK, keep window open) \(u P{,ML
In LDM spreadsheet, select surfaces 1 to Image :r\<DVj
Choose Edit > Default Variables, then click in any cell to unselect the range )TxhJB5|
Right click in each cell and choose Vary for =Ij;I~
Thickness of surfaces 1, 4, 6 ,HkJ.6KF
Glass of surfaces 1, 4, 6 F$caKWzny5
File > Save Lens 9O|m# &wa]
Using Quick Analysis tool bar, click… n 4ISHxM
Quick Spot Diagram (note scale) -+z^{*\; N
Quick Ray Aberration Plot (note scale) (* p |Kzu
Quick Field Plot (note scales and maximum distortion value) g}f@8 ;TY
Analysis > Diffraction > MTF Q<M>+U;t
Freq/Calc Tab: Maximum 68, Increment 17 )t|M)z J
Graphics tab: Max plot freq 68 =lzjMRX(?
Click OK (keep window open, tear off starting MTF graph for later comparison) %rf< YZ.\
Optimization > Automatic Design 7 `|- K
Output controls: Click Draw System button a+Z/=YUR
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) H.YntFtD'
Specific constraints: s}5;)>3~@
Click Insert Specific Constraint uG/Zpi
Default display is Optical Definitions, Effective Focal Length (correct choice) 7 ,:QFV
Enter 8.25 for Constraint Target >OQ<wO6
Click OK. XX+4X*(o
File > Save Lens As (new name, digcam20_opt.len) ?O28 Q DUI
Re-run View Lens window to see new lens picture. +Ix;~
Re-run each of the Quick Analysis windows and note scales. Tfj%Sb,zM
Re-run the MTF window, compare to tear-off of starting point Cjw|.c`
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以下直接复制到命令行即可出最终结果 Hi
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! Command inputs for Workshop 2-2 (for reference) &L_( yJ~-
!Restore 20 Degree Digital Camera Lens Setup VLR W,lR9O
!FILE > OPEN d5h:py5
RES digcam20_start.len |_Vlw&qu+
!Vary all radii curvature by right clicking in LDM and selecting VARY D&.+Dx^G
!HINT: for curvatures highlight all and select vary. Then go back and 1B 2>8 N
!freeze stop surface radius. At"@`1n_u'
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 6z~6o 0s~
!Vary all thicknesses by same method. Do not select surface with solve since P#iBwmwN+.
!varying this surface will delete solve. If mistake, use UNDO or go to v&|o5om
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve aCQAh[T
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 {>90d(j
THC S8 0 !Don't forget to vary the image distance which calculates best %?K'eg kp
!best real-ray focus from paraxial image plane f`T#=6C4|
!Vary glass by highlighting, right clicking, and selecting Vary .|!Kv+yD
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 8^ kw
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Py K)ks! 6
AUT {ymD.vf=9+
EFL Z1 = 8.25 !Effective Focal Length Constraint WSUU_^ .
MNT 0.8 !Minimum Center Thickness General Constraint 7V?TLGgd$
MNE 0.5 !Minimum Edge Thickness General Constraint ih~ R?W
DRA S1..I YES !Draw a picture of lens system at each cycle nzU^G)
GO 9[T}cN=|
!Reanalyze the system. Make sure to "Tear Off" original analysis before NU O9 ,
!re-executing to compare optimized system yoQ}m/C j
!Re-execute Drawing ).5$c0`U&
VIE R e-4y5f
GO kyMWO*>|
!Re-execute MTF z`XX[9 $qm
MTF Rjt]^gb!*
MFR 68 `5:b=^'D /
IFR 17 ibha`
GO yHe%e1
!Re-execute Field (Distortion) Analysis n2cb,b/7
FIE (}
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GO ]sB-}n)
!Save Lens FILE > SAVE LENS AS... 5NH NnDhuL
SAV digcam20_opt
