主要是看人家的操作步骤,想学命令的人请看,十分有用 aW:*!d#
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) x=>dmi3
Display > View Lens (accept defaults, click OK, keep window open) EUt2S_2P
In LDM spreadsheet, select surfaces 1 to Image /
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Choose Edit > Default Variables, then click in any cell to unselect the range xb[yy}>"L
Right click in each cell and choose Vary for -ioO8D&!
Thickness of surfaces 1, 4, 6 1sza\pR<
Glass of surfaces 1, 4, 6 /|U;_F Pmc
File > Save Lens )Mq4p'*A[
Using Quick Analysis tool bar, click… *8qRdI9
Quick Spot Diagram (note scale) '2l[~T$*
Quick Ray Aberration Plot (note scale) O(evlci
Quick Field Plot (note scales and maximum distortion value) ){/n7*#Th%
Analysis > Diffraction > MTF ]gHrqi%
Freq/Calc Tab: Maximum 68, Increment 17 '`}D+IQ(j
Graphics tab: Max plot freq 68 wIRU!lIF9
Click OK (keep window open, tear off starting MTF graph for later comparison) JqLPJUr
Optimization > Automatic Design :Hitx
Output controls: Click Draw System button 9r\p4_V
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ^K`PYai
Specific constraints: |(x%J[n0+
Click Insert Specific Constraint W{JR%Sq$
Default display is Optical Definitions, Effective Focal Length (correct choice) /tkV/
Enter 8.25 for Constraint Target ]p(es,[
Click OK. qtVgjT2#H
File > Save Lens As (new name, digcam20_opt.len) 68~]_r.a
Re-run View Lens window to see new lens picture. 'GW~~UhdW
Re-run each of the Quick Analysis windows and note scales. }c9RDpjh~
Re-run the MTF window, compare to tear-off of starting point E\4ZUGy0
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以下直接复制到命令行即可出最终结果 :p<:0W2!
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! Command inputs for Workshop 2-2 (for reference)
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!Restore 20 Degree Digital Camera Lens Setup y1Br4K5C
!FILE > OPEN +tkm,>s
RES digcam20_start.len #m7evb5eg*
!Vary all radii curvature by right clicking in LDM and selecting VARY N["M "s(N
!HINT: for curvatures highlight all and select vary. Then go back and j5hQ;~Fa|
!freeze stop surface radius. R90chl
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 JvT#Fxj k
!Vary all thicknesses by same method. Do not select surface with solve since ]$)};8;7W
!varying this surface will delete solve. If mistake, use UNDO or go to )MN 6\v
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve qoQ,3&<
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ak}ke
THC S8 0 !Don't forget to vary the image distance which calculates best %MtaWZ
!best real-ray focus from paraxial image plane h/aG."U
!Vary glass by highlighting, right clicking, and selecting Vary s*CBYzOm
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 4.%/u@rAi
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Jk<b#SZ[b
AUT >r:z`^p
EFL Z1 = 8.25 !Effective Focal Length Constraint k fOd|-
MNT 0.8 !Minimum Center Thickness General Constraint !9C]Fs*`?
MNE 0.5 !Minimum Edge Thickness General Constraint 5?#AS#TD'
DRA S1..I YES !Draw a picture of lens system at each cycle !9zs>T&9a\
GO sZa>+
!Reanalyze the system. Make sure to "Tear Off" original analysis before 6XhS
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!re-executing to compare optimized system
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!Re-execute Drawing @MH/efW.
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GO kzKQ5i $G
!Re-execute MTF !q+
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MTF &~)1mnv.
MFR 68 L@ N\8mf
IFR 17 A{eh$Ot%
GO zW95qxXg
!Re-execute Field (Distortion) Analysis Xs4G#QsAJ
FIE ui*CA^ Y
GO AdF[>Wv
!Save Lens FILE > SAVE LENS AS... (j)>npOd9
SAV digcam20_opt