主要是看人家的操作步骤,想学命令的人请看，十分有用 S260h,(,
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) n/&}|998?
Display > View Lens (accept defaults, click OK, keep window open) vg.K-"yQW
In LDM spreadsheet, select surfaces 1 to Image iB1+4wa
Choose Edit > Default Variables, then click in any cell to unselect the range ?}n\&|+
Right click in each cell and choose Vary for wqZ* $M
Thickness of surfaces 1, 4, 6 e2}5<
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Glass of surfaces 1, 4, 6 (FY<% .Pa
File > Save Lens |})7\o
Using Quick Analysis tool bar, click… w]% |^:
Quick Spot Diagram (note scale) mF6 U{=
Quick Ray Aberration Plot (note scale) TTfU(w%&P
Quick Field Plot (note scales and maximum distortion value) wH<'*>/
Analysis > Diffraction > MTF (L2:|1P)
Freq/Calc Tab: Maximum 68, Increment 17 /`2t$71)
Graphics tab: Max plot freq 68 ` 465
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Click OK (keep window open, tear off starting MTF graph for later comparison) T2%{pcdV/
Optimization > Automatic Design vhEXtjL
Output controls: Click Draw System button hd'JXKMy
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) gQ0W>\xz
Specific constraints: z0v|%&IK
Click Insert Specific Constraint Q&@~<!t
Default display is Optical Definitions, Effective Focal Length (correct choice) :
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Enter 8.25 for Constraint Target V+Tu{fFF7E
Click OK. e gd%,`
File > Save Lens As (new name, digcam20_opt.len) M?nYplC
Re-run View Lens window to see new lens picture. x,+2k6Wn!
Re-run each of the Quick Analysis windows and note scales. dB= aq34l
Re-run the MTF window, compare to tear-off of starting point x c& &UKd
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以下直接复制到命令行即可出最终结果 in[yrqFb7t
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! Command inputs for Workshop 2-2 (for reference) aOOkC&%
!Restore 20 Degree Digital Camera Lens Setup m0 a <~
!FILE > OPEN 6z-&Zu7@
RES digcam20_start.len T 8.
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!Vary all radii curvature by right clicking in LDM and selecting VARY .Jvy0B} B
!HINT: for curvatures highlight all and select vary. Then go back and +YNN$i
!freeze stop surface radius. (v2.8zrJ
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 pAY[XN
!Vary all thicknesses by same method. Do not select surface with solve since zg[.Pws:E
!varying this surface will delete solve. If mistake, use UNDO or go to ]rY3bG'&
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve !ot$ Q
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 W3h{5\d!
THC S8 0 !Don't forget to vary the image distance which calculates best E d^F_Gg#
!best real-ray focus from paraxial image plane o(|fapK.
!Vary glass by highlighting, right clicking, and selecting Vary EXz{Pqz
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 D$vP&7pOr4
!Optimize OPTIMIZATION > AUTOMATIC DESIGN @8$3Q,fF(
AUT }vof| (Yh
EFL Z1 = 8.25 !Effective Focal Length Constraint K;NaiRP#k
MNT 0.8 !Minimum Center Thickness General Constraint _XP3|E;I/
MNE 0.5 !Minimum Edge Thickness General Constraint ,<cF<9h
DRA S1..I YES !Draw a picture of lens system at each cycle n?EL\B
GO *
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!Reanalyze the system. Make sure to "Tear Off" original analysis before wfJ["
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!re-executing to compare optimized system /qeSR3WC
!Re-execute Drawing `(dRb
VIE t%'0uB#v1
GO M9J^;3Lrh
!Re-execute MTF Ozo)}
MTF f|cF [&wo
MFR 68 d$O)k+j
IFR 17 NU#rv%p
GO =JK# "'
!Re-execute Field (Distortion) Analysis ;i,:F`b~
FIE {R{Io|
GO LqOjVQ xz
!Save Lens FILE > SAVE LENS AS... \~{b;$N}
SAV digcam20_opt
