| 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 &|)
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) <D{_q.`vA
Display > View Lens (accept defaults, click OK, keep window open) ?u /i8
In LDM spreadsheet, select surfaces 1 to Image 6d|%8.q 1
Choose Edit > Default Variables, then click in any cell to unselect the range ]; G$~ [
Right click in each cell and choose Vary for K>fY9`Whm
Thickness of surfaces 1, 4, 6 jYJfo<
Glass of surfaces 1, 4, 6 [:\8Ug8
File > Save Lens ;l'kPUv([
Using Quick Analysis tool bar, click… ~`x<;Ts
Quick Spot Diagram (note scale) EL-1o0 2-
Quick Ray Aberration Plot (note scale) mbRN W
Quick Field Plot (note scales and maximum distortion value) xT1{ O `
Analysis > Diffraction > MTF S)d_A
Freq/Calc Tab: Maximum 68, Increment 17 9b*1-1 "
Graphics tab: Max plot freq 68 nH]F$'rtA
Click OK (keep window open, tear off starting MTF graph for later comparison) !t 92_ y 3
Optimization > Automatic Design _w> 9Z>PR
Output controls: Click Draw System button J#'+&D H
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) a
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Specific constraints: &-1;3+#w
Click Insert Specific Constraint Nm]\0m0p-
Default display is Optical Definitions, Effective Focal Length (correct choice) ;qT7BUh(%
Enter 8.25 for Constraint Target jNA ^
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Click OK. E-q*u(IW
File > Save Lens As (new name, digcam20_opt.len) ^ 04|tda
Re-run View Lens window to see new lens picture. Skd,=r
Re-run each of the Quick Analysis windows and note scales. |k^ *
Re-run the MTF window, compare to tear-off of starting point U 4@W{P02
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以下直接复制到命令行即可出最终结果 5=--+8[ bV
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! Command inputs for Workshop 2-2 (for reference) A_WtmG_9
!Restore 20 Degree Digital Camera Lens Setup Z[{ :
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!FILE > OPEN 8L7ZWw
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RES digcam20_start.len cCH2=v4hU
!Vary all radii curvature by right clicking in LDM and selecting VARY &% \`Lwh
!HINT: for curvatures highlight all and select vary. Then go back and '
Z}/3 d p
!freeze stop surface radius. ^l\^\ >8
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 U: .
!Vary all thicknesses by same method. Do not select surface with solve since *0`oF TJ
!varying this surface will delete solve. If mistake, use UNDO or go to 4W ''j[Y/
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve @gZ<!g/vza
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 C, xM) V^a
THC S8 0 !Don't forget to vary the image distance which calculates best &L S&O
!best real-ray focus from paraxial image plane E5<}7 Pt
!Vary glass by highlighting, right clicking, and selecting Vary {~"6/L
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 WwF4`kx T
!Optimize OPTIMIZATION > AUTOMATIC DESIGN (f jAsbT
AUT @ 0RB.-
EFL Z1 = 8.25 !Effective Focal Length Constraint ? >W4*8 (
MNT 0.8 !Minimum Center Thickness General Constraint p ft6
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MNE 0.5 !Minimum Edge Thickness General Constraint ~agzp`!M
DRA S1..I YES !Draw a picture of lens system at each cycle 3S'juHT e
GO THM\-abz
!Reanalyze the system. Make sure to "Tear Off" original analysis before [1Y x#t
!re-executing to compare optimized system ^c{,QS{
!Re-execute Drawing N@ >,gm@UU
VIE #~r+
GO ji[O ?
!Re-execute MTF ,rp-`E5ap
MTF ~ \%MJ3
MFR 68 hel iL/
IFR 17 GP5Y5 )
GO <<da TQV
!Re-execute Field (Distortion) Analysis l*|^mx^Q
FIE b&;1b<BwD
GO F-) lRGw
!Save Lens FILE > SAVE LENS AS... ?5#Ng,8iT
SAV digcam20_opt
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