| 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 P TfN+
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) \k2C 5f
Display > View Lens (accept defaults, click OK, keep window open) rcD.P?"
In LDM spreadsheet, select surfaces 1 to Image &6=TtTp"9
Choose Edit > Default Variables, then click in any cell to unselect the range qJ e&jLZa
Right click in each cell and choose Vary for 4+Li)A:4.
Thickness of surfaces 1, 4, 6 )m$1al
Glass of surfaces 1, 4, 6 *rujdQf
File > Save Lens 5x93+DkO\
Using Quick Analysis tool bar, click… D ~[ N_
Quick Spot Diagram (note scale) eHfG;NsV /
Quick Ray Aberration Plot (note scale) R] V~IDs
Quick Field Plot (note scales and maximum distortion value) RBMMXJj
Analysis > Diffraction > MTF
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Freq/Calc Tab: Maximum 68, Increment 17 ][T9IAn
Graphics tab: Max plot freq 68 3M`hn4)K
Click OK (keep window open, tear off starting MTF graph for later comparison) ==r ?
Optimization > Automatic Design fS8XuT
Output controls: Click Draw System button js %4;
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) Uv W: #
Specific constraints: &Nj:XX;X
Click Insert Specific Constraint 0e7O #-
Default display is Optical Definitions, Effective Focal Length (correct choice) K{`2jK#
Enter 8.25 for Constraint Target Huug_E+
Click OK. 7k[`]:*o
File > Save Lens As (new name, digcam20_opt.len) ]e#,\})Br
Re-run View Lens window to see new lens picture. W}<M?b4tP
Re-run each of the Quick Analysis windows and note scales. :c+a-Py
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Re-run the MTF window, compare to tear-off of starting point oK(W)[u
---------------------------------------------------------------------------------------------- .w t>.mUH
以下直接复制到命令行即可出最终结果 &j
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---------------------------------------------------------------------------------------------- !<['iM
! Command inputs for Workshop 2-2 (for reference) Y` [HjS ,
!Restore 20 Degree Digital Camera Lens Setup pE YrmC
!FILE > OPEN c=jTs+h'
RES digcam20_start.len H8 =vQy
!Vary all radii curvature by right clicking in LDM and selecting VARY qU
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!HINT: for curvatures highlight all and select vary. Then go back and (pRy1DH~
!freeze stop surface radius. 0N}
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CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Cx1Sh#9
!Vary all thicknesses by same method. Do not select surface with solve since M7cI$=G
!varying this surface will delete solve. If mistake, use UNDO or go to ?L ~=Z\H
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 2C
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 tZc.%TU
THC S8 0 !Don't forget to vary the image distance which calculates best "8C(_z+]K`
!best real-ray focus from paraxial image plane 6{F S /+
!Vary glass by highlighting, right clicking, and selecting Vary ADwwiq #E
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 )oz-<zW
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ~n]2)>6
AUT 6m;wO r
EFL Z1 = 8.25 !Effective Focal Length Constraint 5e~{7{
MNT 0.8 !Minimum Center Thickness General Constraint ZCOuv6V+
MNE 0.5 !Minimum Edge Thickness General Constraint MIM PJXT#.
DRA S1..I YES !Draw a picture of lens system at each cycle V }r_
GO V=8{CmqT
!Reanalyze the system. Make sure to "Tear Off" original analysis before X
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!re-executing to compare optimized system v'2OHb#
!Re-execute Drawing CH R?i 1e
VIE Z({`9+/>u
GO ]a Ma*fF
!Re-execute MTF *z ;N
MTF ,a?\i
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MFR 68 WT y8 N
IFR 17 SUFaHHk@/b
GO fU){]YP
!Re-execute Field (Distortion) Analysis uzn))/"
FIE &V,-W0T_
GO dQ2i{A"BKz
!Save Lens FILE > SAVE LENS AS... #.t$A9'
SAV digcam20_opt
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