主要是看人家的操作步骤,想学命令的人请看，十分有用 wn"}<ka
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Fi``l )Tt
Display > View Lens (accept defaults, click OK, keep window open) b,'O|s]"Sc
In LDM spreadsheet, select surfaces 1 to Image ^ oi']O
Choose Edit > Default Variables, then click in any cell to unselect the range 9q'&tU'a=c
Right click in each cell and choose Vary for [
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Thickness of surfaces 1, 4, 6 ? i _ACKpw
Glass of surfaces 1, 4, 6 </ [.1&S+\
File > Save Lens NW1 Jr/
Using Quick Analysis tool bar, click… qb? <u
Quick Spot Diagram (note scale) .!3e$mhV
Quick Ray Aberration Plot (note scale) v0DDim?cc
Quick Field Plot (note scales and maximum distortion value) -#ZvjEaey
Analysis > Diffraction > MTF Qu|CXUk
Freq/Calc Tab: Maximum 68, Increment 17 1_+ h"LE
Graphics tab: Max plot freq 68 ?tLApy^`?
Click OK (keep window open, tear off starting MTF graph for later comparison) p@jw)xI
Optimization > Automatic Design D?n6h\h\$%
Output controls: Click Draw System button =UKxf
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) !Se0&Ob
Specific constraints: 1'&.6{)P
Click Insert Specific Constraint IR-n: z
Default display is Optical Definitions, Effective Focal Length (correct choice) 9,?~dx
Enter 8.25 for Constraint Target #*g=F4>t
Click OK. neFwxS?
File > Save Lens As (new name, digcam20_opt.len) zx n|]P bS
Re-run View Lens window to see new lens picture.
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Re-run each of the Quick Analysis windows and note scales. rI>x'0Go*
Re-run the MTF window, compare to tear-off of starting point G'JHimP2j
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以下直接复制到命令行即可出最终结果 e?W
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! Command inputs for Workshop 2-2 (for reference) i( .e=
!Restore 20 Degree Digital Camera Lens Setup ei5YxV6I
!FILE > OPEN QP\9#D~
RES digcam20_start.len I
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!Vary all radii curvature by right clicking in LDM and selecting VARY Ks x-Y"
!HINT: for curvatures highlight all and select vary. Then go back and 0=>$J
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!freeze stop surface radius. /S]$Hu|
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 RRja{*R
!Vary all thicknesses by same method. Do not select surface with solve since L"b&O<N o
!varying this surface will delete solve. If mistake, use UNDO or go to 0x<ASfka
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve {T8;-H0H
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 I # tlaz#
THC S8 0 !Don't forget to vary the image distance which calculates best z|>TkCW6
!best real-ray focus from paraxial image plane <@Q27oEuA
!Vary glass by highlighting, right clicking, and selecting Vary Em!- W5 *s
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 &qbEF3p^@
!Optimize OPTIMIZATION > AUTOMATIC DESIGN it} h8:^<
AUT Wep^He\:
EFL Z1 = 8.25 !Effective Focal Length Constraint 72; '8
MNT 0.8 !Minimum Center Thickness General Constraint f\
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MNE 0.5 !Minimum Edge Thickness General Constraint :|bL2T@>[
DRA S1..I YES !Draw a picture of lens system at each cycle s*PKr6X+
GO `PARZ|
!Reanalyze the system. Make sure to "Tear Off" original analysis before T
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!re-executing to compare optimized system aBC5?V*e%
!Re-execute Drawing &. =8Q?
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GO c 4AJ`f.5
!Re-execute MTF PSJj$bt;<+
MTF * tv & =
MFR 68 OH/9<T?
IFR 17 8 c) eaDu
GO UV2W~g
!Re-execute Field (Distortion) Analysis ,NGHv?.N
FIE ?-j/X6(\(
GO `"=Hk@E
!Save Lens FILE > SAVE LENS AS... 7{<v$g$
SAV digcam20_opt
