主要是看人家的操作步骤,想学命令的人请看，十分有用 A1.7 O
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) kic/*v \6@
Display > View Lens (accept defaults, click OK, keep window open) g7O qX \
In LDM spreadsheet, select surfaces 1 to Image {\c(ls{
Choose Edit > Default Variables, then click in any cell to unselect the range aB7+Tb
Right click in each cell and choose Vary for UFp,a0|
Thickness of surfaces 1, 4, 6 [ 3{W^WSOz
Glass of surfaces 1, 4, 6 @wE5S6! B\
File > Save Lens "4uS3h2r
Using Quick Analysis tool bar, click… %F-ZN ^R
Quick Spot Diagram (note scale) kPF9Z "l
Quick Ray Aberration Plot (note scale) J"=vE=
Quick Field Plot (note scales and maximum distortion value) A?-oL='
Analysis > Diffraction > MTF .y@oz7T5
Freq/Calc Tab: Maximum 68, Increment 17 UN]f"k&
Graphics tab: Max plot freq 68 p2DrEId
Click OK (keep window open, tear off starting MTF graph for later comparison) <8d^^0
Optimization > Automatic Design %<an9WMF
Output controls: Click Draw System button Il=
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General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) j( R WO
Specific constraints: qoj$ ]
Click Insert Specific Constraint FRg^c
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Default display is Optical Definitions, Effective Focal Length (correct choice) L1Iz<>
Enter 8.25 for Constraint Target ?<(m
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Click OK. v?&
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File > Save Lens As (new name, digcam20_opt.len) XgLL!5`
Re-run View Lens window to see new lens picture. * :L?#Bw
Re-run each of the Quick Analysis windows and note scales. BV>\ McI+
Re-run the MTF window, compare to tear-off of starting point y5do1Z
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以下直接复制到命令行即可出最终结果 ,'p2v)p^4
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! Command inputs for Workshop 2-2 (for reference) G-?d3 n
!Restore 20 Degree Digital Camera Lens Setup A7%:05
!FILE > OPEN v(EEG/~
RES digcam20_start.len +(C6#R<LI
!Vary all radii curvature by right clicking in LDM and selecting VARY 11<KpxKpk
!HINT: for curvatures highlight all and select vary. Then go back and {`K m_<Te!
!freeze stop surface radius. DsT >3
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 1rkE yh??
!Vary all thicknesses by same method. Do not select surface with solve since &8] d }-e
!varying this surface will delete solve. If mistake, use UNDO or go to }RwSp!}C
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve V??dYB(
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Kd= %tNp
THC S8 0 !Don't forget to vary the image distance which calculates best { Fawt:
!best real-ray focus from paraxial image plane uoXAQ6k
!Vary glass by highlighting, right clicking, and selecting Vary 5lm< %
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 2UFv9
!Optimize OPTIMIZATION > AUTOMATIC DESIGN yp66{o
AUT |=$-Wu
EFL Z1 = 8.25 !Effective Focal Length Constraint Ee3hG2d`
MNT 0.8 !Minimum Center Thickness General Constraint j{Txl\D>
MNE 0.5 !Minimum Edge Thickness General Constraint }(1JaG
DRA S1..I YES !Draw a picture of lens system at each cycle A9kzq_ 3
GO WV #%PJ
!Reanalyze the system. Make sure to "Tear Off" original analysis before WC|. g ,9#
!re-executing to compare optimized system {6~l$
!Re-execute Drawing dO4{|( z
VIE !kE-_dY6)
GO e(I =^#u6
!Re-execute MTF '*?WU_L(g
MTF Hrz f'a|^
MFR 68 5J Lu2P
IFR 17 -$WYj "
GO 1f8GW
!Re-execute Field (Distortion) Analysis cdG |m[
FIE ea~:} !-P
GO )I$q 5%q8
!Save Lens FILE > SAVE LENS AS... 9$ |Gfyv
SAV digcam20_opt
