主要是看人家的操作步骤,想学命令的人请看，十分有用 4Vv$ bbu+
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) V s,
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Display > View Lens (accept defaults, click OK, keep window open) 0> U7]wZKc
In LDM spreadsheet, select surfaces 1 to Image +}Qq#^:_\
Choose Edit > Default Variables, then click in any cell to unselect the range "$e p=h+
Right click in each cell and choose Vary for 5XinZ~
Thickness of surfaces 1, 4, 6 FTcXjWBPF9
Glass of surfaces 1, 4, 6 <O4W!UVg
File > Save Lens 7x Cm"jgP
Using Quick Analysis tool bar, click… im"3n=
Quick Spot Diagram (note scale) kNv/ L $oG
Quick Ray Aberration Plot (note scale) ?J28@rM
Quick Field Plot (note scales and maximum distortion value) gS.,V!#t
Analysis > Diffraction > MTF k .W1bF9n6
Freq/Calc Tab: Maximum 68, Increment 17 )CG,Udu
Graphics tab: Max plot freq 68 zj7?2
Click OK (keep window open, tear off starting MTF graph for later comparison) #Bhc W"@
Optimization > Automatic Design *iXaQu T
Output controls: Click Draw System button )KUEkslR:
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) >5j&Q #Bu
Specific constraints: sdXZsQw
Click Insert Specific Constraint #~`d
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Default display is Optical Definitions, Effective Focal Length (correct choice) b:W
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Enter 8.25 for Constraint Target xQ>T.nP}1
Click OK. ;I]$N]8YI
File > Save Lens As (new name, digcam20_opt.len) \04 (V'`U
Re-run View Lens window to see new lens picture. ^2"3h$DJfS
Re-run each of the Quick Analysis windows and note scales. M Jtn)gXb
Re-run the MTF window, compare to tear-off of starting point mC ./,a[
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以下直接复制到命令行即可出最终结果 {@
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! Command inputs for Workshop 2-2 (for reference) +lw*/\7
!Restore 20 Degree Digital Camera Lens Setup (dA E
!FILE > OPEN DQ%(X&k
RES digcam20_start.len DcmR vi)&6
!Vary all radii curvature by right clicking in LDM and selecting VARY ~o8x3`CoF
!HINT: for curvatures highlight all and select vary. Then go back and !t|2&R$IQ
!freeze stop surface radius. mLH,6rO9
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 G!g];7PG(
!Vary all thicknesses by same method. Do not select surface with solve since {i/7Nx
!varying this surface will delete solve. If mistake, use UNDO or go to Z>J3 DH
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 1 |oE3
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 -Rj3cx
THC S8 0 !Don't forget to vary the image distance which calculates best +=# @1k~
!best real-ray focus from paraxial image plane /gq\.+'{
!Vary glass by highlighting, right clicking, and selecting Vary $(&+NJ$U$
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 H<ZXe!q(nx
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 0"DS>:Ntk
AUT KKM!( $A
EFL Z1 = 8.25 !Effective Focal Length Constraint K<?[^\
MNT 0.8 !Minimum Center Thickness General Constraint \ x=!'
MNE 0.5 !Minimum Edge Thickness General Constraint K8/I+#j
DRA S1..I YES !Draw a picture of lens system at each cycle @+;
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GO & hv@ &
!Reanalyze the system. Make sure to "Tear Off" original analysis before \_AoG8B
!re-executing to compare optimized system KBwY _
!Re-execute Drawing 0oo*F
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GO o;'-^ LJ
!Re-execute MTF )KcY<K
MTF V*1-wg5>
MFR 68 tS6r4d%~=
IFR 17 c{wob%!>
GO eNFZD1 mS
!Re-execute Field (Distortion) Analysis s|-g)
FIE b%|6y
GO Wo<kKkx2
!Save Lens FILE > SAVE LENS AS... ms/Q -
SAV digcam20_opt
