主要是看人家的操作步骤,想学命令的人请看，十分有用 <pE G8_{}
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Gg!))I+
Display > View Lens (accept defaults, click OK, keep window open) 0) /214^&
In LDM spreadsheet, select surfaces 1 to Image )F~_KD)7jJ
Choose Edit > Default Variables, then click in any cell to unselect the range gRFC n6Q
Right click in each cell and choose Vary for Ym6ec|9;
Thickness of surfaces 1, 4, 6 $bo^UYZ6
Glass of surfaces 1, 4, 6 gO/(/e>P
File > Save Lens asF- mf;D
Using Quick Analysis tool bar, click… :rj78_e9
Quick Spot Diagram (note scale) Q0--.Q=:Y
Quick Ray Aberration Plot (note scale) t/$xzsoJZr
Quick Field Plot (note scales and maximum distortion value) O<E0L&4-&
Analysis > Diffraction > MTF oby*.61?5l
Freq/Calc Tab: Maximum 68, Increment 17 ]SPB c
Graphics tab: Max plot freq 68 ~H$XSNPi
Click OK (keep window open, tear off starting MTF graph for later comparison) x'KsQ lI/
Optimization > Automatic Design PWmz7*/
Output controls: Click Draw System button v] J# SlF
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) U=t'>;(g
Specific constraints: I,S'zHR
Click Insert Specific Constraint - VE# :&
Default display is Optical Definitions, Effective Focal Length (correct choice) g}D$`Nx:
Enter 8.25 for Constraint Target J)G3Kq5>:b
Click OK. g\l;>
File > Save Lens As (new name, digcam20_opt.len) x L BG}C
Re-run View Lens window to see new lens picture. %b?Pasf.
Re-run each of the Quick Analysis windows and note scales.
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Re-run the MTF window, compare to tear-off of starting point 9?:S:Sq
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以下直接复制到命令行即可出最终结果 (LfVa`<1
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! Command inputs for Workshop 2-2 (for reference) m7"f6zSo (
!Restore 20 Degree Digital Camera Lens Setup } -vBRY
!FILE > OPEN \1!k)PZdTW
RES digcam20_start.len n, F00Y R
!Vary all radii curvature by right clicking in LDM and selecting VARY {eXYl[7n
!HINT: for curvatures highlight all and select vary. Then go back and ./
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!freeze stop surface radius. :qbG%_PJ
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 e ?YbG.(E9
!Vary all thicknesses by same method. Do not select surface with solve since V4-=Ni]k
!varying this surface will delete solve. If mistake, use UNDO or go to F[u%t34'
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve jQb D2x6(
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 A H`15k_i
THC S8 0 !Don't forget to vary the image distance which calculates best 6:,^CI|@ t
!best real-ray focus from paraxial image plane 6ZR0_v;TD
!Vary glass by highlighting, right clicking, and selecting Vary 9yh@_~rZ
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 nADd,|xD3
!Optimize OPTIMIZATION > AUTOMATIC DESIGN k~R[5W|'
AUT eqR#`
EFL Z1 = 8.25 !Effective Focal Length Constraint R
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MNT 0.8 !Minimum Center Thickness General Constraint W,~1 KUTc
MNE 0.5 !Minimum Edge Thickness General Constraint dO[4}FZ$
DRA S1..I YES !Draw a picture of lens system at each cycle h7$!wf!I
GO RV` j>1
!Reanalyze the system. Make sure to "Tear Off" original analysis before 62jA
!re-executing to compare optimized system C6w{"[Wv=X
!Re-execute Drawing }#8uXA
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GO J7GsNFL
!Re-execute MTF As|/
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MTF Z-| C{1}A
MFR 68 G C'%s
IFR 17 ?U08A{ c
GO :Y> ] 6
!Re-execute Field (Distortion) Analysis tTH %YtG
FIE =LxmzQO#
GO 3(+#^aw
!Save Lens FILE > SAVE LENS AS... \NU [DHrMP
SAV digcam20_opt
