| longlllooo |
2006-03-27 20:24 |
主要是看人家的操作步骤,想学命令的人请看，十分有用 %;9e h'
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) l1o dkNf|
Display > View Lens (accept defaults, click OK, keep window open) Q9[dUdQm
In LDM spreadsheet, select surfaces 1 to Image WII_s|YSt%
Choose Edit > Default Variables, then click in any cell to unselect the range Iw"?%k\U
Right click in each cell and choose Vary for eT +MN`
Thickness of surfaces 1, 4, 6 9w K z p
Glass of surfaces 1, 4, 6 t:M({|m Y
File > Save Lens e_ 6
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Using Quick Analysis tool bar, click… gW S4 9*O
Quick Spot Diagram (note scale) CRWO R pP
Quick Ray Aberration Plot (note scale) /]xd[^
Quick Field Plot (note scales and maximum distortion value) cQPH le2
Analysis > Diffraction > MTF !9o8v0ZI
Freq/Calc Tab: Maximum 68, Increment 17 :B- ,*@EU
Graphics tab: Max plot freq 68 !wrl.A/P
Click OK (keep window open, tear off starting MTF graph for later comparison) p,D/ Pb8
Optimization > Automatic Design 2
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Output controls: Click Draw System button ]-.Q9cjc$q
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) t *Q12Q
Specific constraints: <R{ \pz2w
Click Insert Specific Constraint g6W.Gl"5\w
Default display is Optical Definitions, Effective Focal Length (correct choice) ur# "f'|-
Enter 8.25 for Constraint Target Q)a*bPz
Click OK. <{-DYRiN
File > Save Lens As (new name, digcam20_opt.len) 5o~Z>
Re-run View Lens window to see new lens picture. n6o} $]H
Re-run each of the Quick Analysis windows and note scales. )QZ?Bf
Re-run the MTF window, compare to tear-off of starting point # |UrHK;
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以下直接复制到命令行即可出最终结果 b '-gy0
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! Command inputs for Workshop 2-2 (for reference) NM]6 o
!Restore 20 Degree Digital Camera Lens Setup 56': U29.]
!FILE > OPEN @pko zE-
RES digcam20_start.len 'ZDa *9nkF
!Vary all radii curvature by right clicking in LDM and selecting VARY r?V|9B`$p
!HINT: for curvatures highlight all and select vary. Then go back and Vr0RdO
!freeze stop surface radius. AARhGx |L<
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 f:utw T
!Vary all thicknesses by same method. Do not select surface with solve since Ta[}k/zW
!varying this surface will delete solve. If mistake, use UNDO or go to P7Y[?=' v
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve lMO0d_:b1
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 , zw
THC S8 0 !Don't forget to vary the image distance which calculates best zR<jZwo]#
!best real-ray focus from paraxial image plane "1#,d#Q $
!Vary glass by highlighting, right clicking, and selecting Vary Ahebr{u
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 WD )[Ac[
!Optimize OPTIMIZATION > AUTOMATIC DESIGN \dc `}}Lc
AUT 9SFiL#1
EFL Z1 = 8.25 !Effective Focal Length Constraint G/`_$ c
MNT 0.8 !Minimum Center Thickness General Constraint {j q-d L
MNE 0.5 !Minimum Edge Thickness General Constraint '",5Bu#C
DRA S1..I YES !Draw a picture of lens system at each cycle HxM-VK '
GO `H|g ~7KD&
!Reanalyze the system. Make sure to "Tear Off" original analysis before 0 s 4j>
!re-executing to compare optimized system kdo)y(fn@
!Re-execute Drawing -J6}7>4^8}
VIE 0+H"$2/
GO eX$Biv1N
!Re-execute MTF F% |(pHk
MTF 7:;V [/
MFR 68 HYY|) Wo
IFR 17 u@ |yw)
GO < <xJ -N
!Re-execute Field (Distortion) Analysis w5nRgdboy!
FIE 1 h"B-x
GO 2KX *x_-
!Save Lens FILE > SAVE LENS AS... lwB!ti
SAV digcam20_opt
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