| 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 "%+9p6/
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) ;x4yidb6
Display > View Lens (accept defaults, click OK, keep window open) k
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In LDM spreadsheet, select surfaces 1 to Image mB*;>
Choose Edit > Default Variables, then click in any cell to unselect the range CSMx]jbb
Right click in each cell and choose Vary for \2)~dV:6+
Thickness of surfaces 1, 4, 6 HO39>:c
Glass of surfaces 1, 4, 6 g<MCvC@
File > Save Lens 7]8apei|
Using Quick Analysis tool bar, click… $`Aps7A
Quick Spot Diagram (note scale) qLm
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Quick Ray Aberration Plot (note scale) [L>AU;
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Quick Field Plot (note scales and maximum distortion value) Db K-3F_
Analysis > Diffraction > MTF lkgB,cflpi
Freq/Calc Tab: Maximum 68, Increment 17 qjLFg sd
Graphics tab: Max plot freq 68 h7>`:~
Click OK (keep window open, tear off starting MTF graph for later comparison) ?uqPye1fc
Optimization > Automatic Design /@K1"/fqH
Output controls: Click Draw System button &fgfCZz'
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) bH_zWk
Specific constraints: Y/G ~P,9
Click Insert Specific Constraint +L#Q3}=s
Default display is Optical Definitions, Effective Focal Length (correct choice) 6 Y}Bza
Enter 8.25 for Constraint Target }<G#bh6;Q
Click OK. (hIy31Pf
File > Save Lens As (new name, digcam20_opt.len) ykG^(.E
Re-run View Lens window to see new lens picture. t
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Re-run each of the Quick Analysis windows and note scales. { us"=JJVN
Re-run the MTF window, compare to tear-off of starting point 1Ozy;;\-9
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以下直接复制到命令行即可出最终结果 mO^vKq4r.
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! Command inputs for Workshop 2-2 (for reference) P}mn2 Hs
!Restore 20 Degree Digital Camera Lens Setup bJ9K!6s??`
!FILE > OPEN !"N-To-c
RES digcam20_start.len <I^Tug\M+
!Vary all radii curvature by right clicking in LDM and selecting VARY 5KwT(R o
!HINT: for curvatures highlight all and select vary. Then go back and mdukl!_x
!freeze stop surface radius. vrvOPLiQ
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Y`
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!Vary all thicknesses by same method. Do not select surface with solve since Ct 30 EZ
!varying this surface will delete solve. If mistake, use UNDO or go to
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!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve p*" H&xA@
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 y4 ~;H{!
THC S8 0 !Don't forget to vary the image distance which calculates best |fg{F pc
!best real-ray focus from paraxial image plane I]Jz[{~1
!Vary glass by highlighting, right clicking, and selecting Vary p>GxS E)
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 2 1]8 7$
!Optimize OPTIMIZATION > AUTOMATIC DESIGN uvj`r5ei
AUT m8<l2O=m
EFL Z1 = 8.25 !Effective Focal Length Constraint 8iwqy0<
MNT 0.8 !Minimum Center Thickness General Constraint N?krlR
MNE 0.5 !Minimum Edge Thickness General Constraint s c
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DRA S1..I YES !Draw a picture of lens system at each cycle ^K
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GO h[I~D`q)v
!Reanalyze the system. Make sure to "Tear Off" original analysis before ;]x JC
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!re-executing to compare optimized system khtYn.eaL
!Re-execute Drawing 2';f8JLY
VIE [DO UIR9
GO W4o $J4IX{
!Re-execute MTF 8\@&~&(y:
MTF \1b! I)T9
MFR 68 tgB\;n bB
IFR 17 Kn+m9
GO HCTjFW>C
!Re-execute Field (Distortion) Analysis 86N"EuH$
FIE +Q6}kbDI
GO 1dahVc1W
!Save Lens FILE > SAVE LENS AS... _0(Bx?[h
SAV digcam20_opt
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