主要是看人家的操作步骤,想学命令的人请看，十分有用 #CaT 0#v
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) ^?5 [M^
Display > View Lens (accept defaults, click OK, keep window open) *
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In LDM spreadsheet, select surfaces 1 to Image fs=W(~"
Choose Edit > Default Variables, then click in any cell to unselect the range |Ir&C[QS{y
Right click in each cell and choose Vary for q
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Thickness of surfaces 1, 4, 6 ^j1WF[GiSO
Glass of surfaces 1, 4, 6 cTR@
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File > Save Lens ;3D[[* n9
Using Quick Analysis tool bar, click… f [b x|6
Quick Spot Diagram (note scale) 7:h8b/9
Quick Ray Aberration Plot (note scale) ;D kX"X +
Quick Field Plot (note scales and maximum distortion value) X R =^zp?
Analysis > Diffraction > MTF LJ+fZ
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Freq/Calc Tab: Maximum 68, Increment 17 j0L A
Graphics tab: Max plot freq 68 Of*z9 YI
Click OK (keep window open, tear off starting MTF graph for later comparison) {y[T3(tt
Optimization > Automatic Design oA _,jsD4
Output controls: Click Draw System button wjr1 ?c
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) c%|18dV
Specific constraints: jE !W&0
Click Insert Specific Constraint lP!`lhc-^
Default display is Optical Definitions, Effective Focal Length (correct choice) Ny.s
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Enter 8.25 for Constraint Target w<3g1n7R
Click OK. FE`:1
File > Save Lens As (new name, digcam20_opt.len) Vko1{$}t
Re-run View Lens window to see new lens picture. )T=cd
Re-run each of the Quick Analysis windows and note scales. fh1rmet&Ts
Re-run the MTF window, compare to tear-off of starting point *:q ,G
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以下直接复制到命令行即可出最终结果 k_2W*2'S
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! Command inputs for Workshop 2-2 (for reference) 8?L7h\)-
!Restore 20 Degree Digital Camera Lens Setup o+H;ZGT5H
!FILE > OPEN X\I"%6$
RES digcam20_start.len Puu O2TZ
!Vary all radii curvature by right clicking in LDM and selecting VARY &wlSOC')j
!HINT: for curvatures highlight all and select vary. Then go back and em87`Hj^lo
!freeze stop surface radius. )<D(Mb 2p|
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 llf|d'5Nl
!Vary all thicknesses by same method. Do not select surface with solve since G|Du/XYh
!varying this surface will delete solve. If mistake, use UNDO or go to \&&jzU2
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve O>=D1no*
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0
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THC S8 0 !Don't forget to vary the image distance which calculates best =)B@ `"
!best real-ray focus from paraxial image plane `XwFH#_
!Vary glass by highlighting, right clicking, and selecting Vary @bN`+DC!<
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 PTu~PVbp4
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 6S; -fj
AUT USKa6 <:{W
EFL Z1 = 8.25 !Effective Focal Length Constraint ^cE|o&Rm;
MNT 0.8 !Minimum Center Thickness General Constraint 2Mc}>UI?eO
MNE 0.5 !Minimum Edge Thickness General Constraint 5z8!Nmb/
DRA S1..I YES !Draw a picture of lens system at each cycle =%4vrY
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GO piRP2Lbm*
!Reanalyze the system. Make sure to "Tear Off" original analysis before 9tW=9<E
!re-executing to compare optimized system l bw*T
!Re-execute Drawing d v+)U9at
VIE 3w= OvafT:
GO >f [Lb|t
!Re-execute MTF ?mK`Wleh?
MTF \\F@_nB,b
MFR 68 !+?, y/*5(
IFR 17 O\64)V
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GO ,8KD-" l^g
!Re-execute Field (Distortion) Analysis \BT 8-}
FIE R " S,&
GO !$&3h-l[
!Save Lens FILE > SAVE LENS AS... s2*^ P G
SAV digcam20_opt
