主要是看人家的操作步骤,想学命令的人请看，十分有用 30_ckMG"g
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) ?PH/?QP
Display > View Lens (accept defaults, click OK, keep window open) *,lh:
In LDM spreadsheet, select surfaces 1 to Image W2 eAhz&
Choose Edit > Default Variables, then click in any cell to unselect the range ] H&c'
Right click in each cell and choose Vary for [(|v`qMv/g
Thickness of surfaces 1, 4, 6 CZ3].DA|z
Glass of surfaces 1, 4, 6 nJT4w|Yx
File > Save Lens ` ?9T~,
Using Quick Analysis tool bar, click… bxwkTKr '
Quick Spot Diagram (note scale) HH8;J66I&
Quick Ray Aberration Plot (note scale) T4 r5s
Quick Field Plot (note scales and maximum distortion value) <GF @L
Analysis > Diffraction > MTF a4&:@ ` =
Freq/Calc Tab: Maximum 68, Increment 17 gvyT-XI
Graphics tab: Max plot freq 68 5+K;_)
Click OK (keep window open, tear off starting MTF graph for later comparison) q (>c`5
Optimization > Automatic Design ?4G(N=/&
Output controls: Click Draw System button ,J(l J,c
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) : #$F)]y'\
Specific constraints: =Ndli>x}1
Click Insert Specific Constraint U -EhPAB@
Default display is Optical Definitions, Effective Focal Length (correct choice) ?2ItB `<(
Enter 8.25 for Constraint Target 9&K/GaG
Click OK. 2\0Oji\6
File > Save Lens As (new name, digcam20_opt.len) tg 85:
Re-run View Lens window to see new lens picture. .X
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Re-run each of the Quick Analysis windows and note scales. B1$ikY
Re-run the MTF window, compare to tear-off of starting point >SDp uG&>
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以下直接复制到命令行即可出最终结果 7> n"}8i
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! Command inputs for Workshop 2-2 (for reference) )~
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!Restore 20 Degree Digital Camera Lens Setup V=}1[^
!FILE > OPEN >F3.c%VU]w
RES digcam20_start.len A#DR9Eq
!Vary all radii curvature by right clicking in LDM and selecting VARY |RhM| i
!HINT: for curvatures highlight all and select vary. Then go back and G{RTH_p
!freeze stop surface radius. V1utUGJV
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Qhy#r
!Vary all thicknesses by same method. Do not select surface with solve since ^$ Krub{|
!varying this surface will delete solve. If mistake, use UNDO or go to 6y
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!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve QCpM|,drS
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 \%5MAQS
THC S8 0 !Don't forget to vary the image distance which calculates best !/hsJ9
!best real-ray focus from paraxial image plane zn)yFnB!TH
!Vary glass by highlighting, right clicking, and selecting Vary 7[KCWJ
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 $|a;~m>
!Optimize OPTIMIZATION > AUTOMATIC DESIGN G7-!`-Nk
AUT @-"R$H OT
EFL Z1 = 8.25 !Effective Focal Length Constraint =|SdVv
MNT 0.8 !Minimum Center Thickness General Constraint usOx= ^?=
MNE 0.5 !Minimum Edge Thickness General Constraint !>g :Si"
DRA S1..I YES !Draw a picture of lens system at each cycle '4u v3)P
GO ( U k ,
!Reanalyze the system. Make sure to "Tear Off" original analysis before j*zD0I]
!re-executing to compare optimized system 9%!dNnUk
!Re-execute Drawing -Mf Q&U
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GO T20VX 8gX
!Re-execute MTF *H2]H @QHN
MTF tcL2J .
MFR 68 QxpKX_@Q5
IFR 17 ai ^|N.!
GO )^/0cQcJ
!Re-execute Field (Distortion) Analysis D:E9!l'
FIE 9_huI'"p
GO |y1;&<
!Save Lens FILE > SAVE LENS AS... K2ew ucn
SAV digcam20_opt
