| 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 H\>{<`sD;f
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) q=X <QhK
Display > View Lens (accept defaults, click OK, keep window open) RhowhQ) G
In LDM spreadsheet, select surfaces 1 to Image >kQp@r\nQ
Choose Edit > Default Variables, then click in any cell to unselect the range .
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Right click in each cell and choose Vary for }k }=e
Thickness of surfaces 1, 4, 6 pbx*Y`v
Glass of surfaces 1, 4, 6 UVw^t+n
File > Save Lens )J 'F]s
Using Quick Analysis tool bar, click… .b";7}9{
Quick Spot Diagram (note scale) in1rDN%Vi
Quick Ray Aberration Plot (note scale) FDl/7P`b(
Quick Field Plot (note scales and maximum distortion value) i6#*y!3{
Analysis > Diffraction > MTF 4;YP\{u
Freq/Calc Tab: Maximum 68, Increment 17 TDo)8+.2 z
Graphics tab: Max plot freq 68 '/I`dj
Click OK (keep window open, tear off starting MTF graph for later comparison) .+9*5
Optimization > Automatic Design )]fiyXA
Output controls: Click Draw System button *ak0(yLn)
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 4V:W 8k 9D
Specific constraints: "p O
Click Insert Specific Constraint *F( qg%1+
Default display is Optical Definitions, Effective Focal Length (correct choice) LLgw1 @-D
Enter 8.25 for Constraint Target y[i}iT/~
Click OK. j6l1<3j
File > Save Lens As (new name, digcam20_opt.len) ZjxF@`H
Re-run View Lens window to see new lens picture. 4#(/{6J
Re-run each of the Quick Analysis windows and note scales. D|5mNX %e
Re-run the MTF window, compare to tear-off of starting point #m U\8M,
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以下直接复制到命令行即可出最终结果 nFlN {_/
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! Command inputs for Workshop 2-2 (for reference) Vo"G@W)lZ
!Restore 20 Degree Digital Camera Lens Setup +t,b/ K(?]
!FILE > OPEN j55_wx@cA
RES digcam20_start.len yP]>eLTSd
!Vary all radii curvature by right clicking in LDM and selecting VARY ->I.D?p
!HINT: for curvatures highlight all and select vary. Then go back and }[eUAGhDU
!freeze stop surface radius. b]u=I za
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ~3s ?.[}d
!Vary all thicknesses by same method. Do not select surface with solve since q_[y|ETJ]
!varying this surface will delete solve. If mistake, use UNDO or go to x_7$g<n
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve gOg7:VPG
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 %X_A# 9
THC S8 0 !Don't forget to vary the image distance which calculates best ;l%xjMcU
!best real-ray focus from paraxial image plane GSRf/::I}4
!Vary glass by highlighting, right clicking, and selecting Vary O]XRalkEM
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 7Q!ksp
!Optimize OPTIMIZATION > AUTOMATIC DESIGN jga; q
AUT uYeb RCdR
EFL Z1 = 8.25 !Effective Focal Length Constraint "7sv@I_j
MNT 0.8 !Minimum Center Thickness General Constraint @|(cr: (=H
MNE 0.5 !Minimum Edge Thickness General Constraint H {=]94
DRA S1..I YES !Draw a picture of lens system at each cycle Pjh;;k|V
GO DQ0S]:tC
!Reanalyze the system. Make sure to "Tear Off" original analysis before ~;oXLCL0})
!re-executing to compare optimized system vL _yM
!Re-execute Drawing JcRxNH
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GO jIaaNO)
!Re-execute MTF uV gA <*0
MTF \L>XF'o
MFR 68 CY?J$s N
IFR 17 ;X+0,K3c
GO ;^ :8F
!Re-execute Field (Distortion) Analysis &7'=t 6
FIE ^X_ ;ZLg.
GO 5%D` y|
!Save Lens FILE > SAVE LENS AS... GipiO5)1C
SAV digcam20_opt
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