| 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 J 0 P
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) #5D+XB T
Display > View Lens (accept defaults, click OK, keep window open) [x PE?OD
In LDM spreadsheet, select surfaces 1 to Image g6 V*wjC
Choose Edit > Default Variables, then click in any cell to unselect the range 3(%,2
Right click in each cell and choose Vary for 8'_Y=7b0Nw
Thickness of surfaces 1, 4, 6 S\A[Z&k 0
Glass of surfaces 1, 4, 6 Oq5k4
File > Save Lens Mx"tUoU6z
Using Quick Analysis tool bar, click… i1
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Quick Spot Diagram (note scale) q4{ t H
Quick Ray Aberration Plot (note scale) i'<1xd(`
Quick Field Plot (note scales and maximum distortion value) u i1m+
Analysis > Diffraction > MTF 5b ,98Q
Freq/Calc Tab: Maximum 68, Increment 17 0^ [ 6
Graphics tab: Max plot freq 68 JyO lVs<T
Click OK (keep window open, tear off starting MTF graph for later comparison) sXxO{aeev
Optimization > Automatic Design N3p3"4_]fy
Output controls: Click Draw System button Mk[`HEO
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) / 5Loj&!=
Specific constraints: $ *A3p
Click Insert Specific Constraint qgNK!(kWpr
Default display is Optical Definitions, Effective Focal Length (correct choice) 4)I#[&f
Enter 8.25 for Constraint Target b`zf&Mn
Click OK. ?miM15XI
File > Save Lens As (new name, digcam20_opt.len) "Ycd$`{Vgt
Re-run View Lens window to see new lens picture. 9 NQq=@
Re-run each of the Quick Analysis windows and note scales. k qw? X{
Re-run the MTF window, compare to tear-off of starting point #1 @~w} Dh
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以下直接复制到命令行即可出最终结果 h>0<@UP
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! Command inputs for Workshop 2-2 (for reference) 4sjr\9IDC
!Restore 20 Degree Digital Camera Lens Setup zi
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!FILE > OPEN y an[{h]EZ
RES digcam20_start.len Xkom@F~]
!Vary all radii curvature by right clicking in LDM and selecting VARY =fK'Ep[
!HINT: for curvatures highlight all and select vary. Then go back and X>7]g670@
!freeze stop surface radius. <9a_wGs
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 XWpnZFjE
!Vary all thicknesses by same method. Do not select surface with solve since GK?R76d
!varying this surface will delete solve. If mistake, use UNDO or go to =hIT?Z6 A
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve I?Fa
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 DAHf&/J K
THC S8 0 !Don't forget to vary the image distance which calculates best `e>F<{
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!best real-ray focus from paraxial image plane k=2l9C3Z
!Vary glass by highlighting, right clicking, and selecting Vary jDXGm[U
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 g4 a X
!Optimize OPTIMIZATION > AUTOMATIC DESIGN FNCLGAiZ
AUT AO$PuzlLh
EFL Z1 = 8.25 !Effective Focal Length Constraint GY]6#>D#7
MNT 0.8 !Minimum Center Thickness General Constraint <<5 :zlb
MNE 0.5 !Minimum Edge Thickness General Constraint 9w;J7jgOT!
DRA S1..I YES !Draw a picture of lens system at each cycle .y9rM{h}b
GO ~Z6p3#
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!Reanalyze the system. Make sure to "Tear Off" original analysis before Ty0 T7D
!re-executing to compare optimized system ZQ-` l:G
!Re-execute Drawing 1i djX" '
VIE kJi&9
GO 76Vyh f&7
!Re-execute MTF m4SXH> o
MTF 7h9[-d6
MFR 68 3r:)\E+Q_
IFR 17 6Y_O^f
GO 3p
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!Re-execute Field (Distortion) Analysis yb{{ z @
FIE k-cIb@+"
GO FWpN:|X BS
!Save Lens FILE > SAVE LENS AS... Y:!/4GF
SAV digcam20_opt
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