| longlllooo |
2006-03-27 20:26 |
主要是看人家的操作步骤,想学命令的人请看，十分有用 36154*q
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) e7f 3dqn0
Display > View Lens (accept defaults, click OK, keep window open) +1j@n .)ft
In LDM spreadsheet, select surfaces 1 to Image }JXAG/<
Choose Edit > Default Variables, then click in any cell to unselect the range Vd 2bG4 *=
Right click in each cell and choose Vary for iV!o)WvG,F
Thickness of surfaces 1, 4, 6 _L mDF8Q(
Glass of surfaces 1, 4, 6 / c1=`OJ
File > Save Lens [HJ^'/bB'
Using Quick Analysis tool bar, click… z116i?7EnV
Quick Spot Diagram (note scale) b{ |Ha3;w
Quick Ray Aberration Plot (note scale) H mt} @
Quick Field Plot (note scales and maximum distortion value) .0l 0*~[
Analysis > Diffraction > MTF %oas IiO
Freq/Calc Tab: Maximum 68, Increment 17 58"Cn ||tF
Graphics tab: Max plot freq 68 A " t ~
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Click OK (keep window open, tear off starting MTF graph for later comparison) CQf!<
Optimization > Automatic Design 1$Rua
Output controls: Click Draw System button }5a$Ka-
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) iJem9XXb
Specific constraints: ^. ;
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Click Insert Specific Constraint Th \t6K~
Default display is Optical Definitions, Effective Focal Length (correct choice) oCR-KR>{Q
Enter 8.25 for Constraint Target p@bcf5'
Click OK. $ H2H VJ
File > Save Lens As (new name, digcam20_opt.len) *m 9,_~t
Re-run View Lens window to see new lens picture. (b4;c=<[{
Re-run each of the Quick Analysis windows and note scales. s2M|ni=
Re-run the MTF window, compare to tear-off of starting point K_t! P
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以下直接复制到命令行即可出最终结果 ye- R
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! Command inputs for Workshop 2-2 (for reference) L#X!.
!Restore 20 Degree Digital Camera Lens Setup 990sE
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!FILE > OPEN Vs~!\<?
RES digcam20_start.len GUqhm$6a
!Vary all radii curvature by right clicking in LDM and selecting VARY SFRQpQ06
!HINT: for curvatures highlight all and select vary. Then go back and r%^J3
!freeze stop surface radius. c
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CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 yqKERdm
!Vary all thicknesses by same method. Do not select surface with solve since qD?-&>dBWi
!varying this surface will delete solve. If mistake, use UNDO or go to v9 K{oB
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve A3=$I&!%
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Z$& i"1{
THC S8 0 !Don't forget to vary the image distance which calculates best 8!q$8]M
!best real-ray focus from paraxial image plane GVt}\e~"
!Vary glass by highlighting, right clicking, and selecting Vary T($6L7 j9
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ZQQ0}
!Optimize OPTIMIZATION > AUTOMATIC DESIGN M4m90C;dq
AUT PK7
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EFL Z1 = 8.25 !Effective Focal Length Constraint WPz q?yK
MNT 0.8 !Minimum Center Thickness General Constraint ;mYj`/Yj
MNE 0.5 !Minimum Edge Thickness General Constraint x&PVsXdt5m
DRA S1..I YES !Draw a picture of lens system at each cycle 84uHK)h<%
GO P-c<[DSM'I
!Reanalyze the system. Make sure to "Tear Off" original analysis before eaGd:(
!re-executing to compare optimized system _B hm\|t
!Re-execute Drawing 5v@- .p
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GO pg; y\}
!Re-execute MTF j( SBpM
MTF ] E/~PV
MFR 68 _RcFV
IFR 17
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GO 39+6ZTqx
!Re-execute Field (Distortion) Analysis Im* ~6 [
FIE 'eRJQ*0F
GO <#r/4a "V
!Save Lens FILE > SAVE LENS AS... +~~&FO2
SAV digcam20_opt
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