主要是看人家的操作步骤,想学命令的人请看，十分有用 (\>'yW{f
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Z$XpoDbOy
Display > View Lens (accept defaults, click OK, keep window open) +eXfT*=u5
In LDM spreadsheet, select surfaces 1 to Image !17Z\Ltqyj
Choose Edit > Default Variables, then click in any cell to unselect the range R
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Right click in each cell and choose Vary for *b_ 54X%3
Thickness of surfaces 1, 4, 6 ;BVhkW A
Glass of surfaces 1, 4, 6 :L0W"$
File > Save Lens y*(j{0yd
Using Quick Analysis tool bar, click… eR`<9 KBH
Quick Spot Diagram (note scale) ~Xw?>&
Quick Ray Aberration Plot (note scale) Uroj%x N
Quick Field Plot (note scales and maximum distortion value) f|0 QN#$
Analysis > Diffraction > MTF #Q7$I.O]
Freq/Calc Tab: Maximum 68, Increment 17 sdD[`#
Graphics tab: Max plot freq 68 ,+9r/}K]/
Click OK (keep window open, tear off starting MTF graph for later comparison) >#|Yoc
Optimization > Automatic Design ?!oa 15
Output controls: Click Draw System button Y1\vt+`O
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) hspg -| R
Specific constraints: D0i30p`
Click Insert Specific Constraint 8l0
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Default display is Optical Definitions, Effective Focal Length (correct choice) |hoZ :
Enter 8.25 for Constraint Target :5J6rj;_
Click OK. eov-"SJB
File > Save Lens As (new name, digcam20_opt.len) NkI:
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. yRkMR$5&
Re-run the MTF window, compare to tear-off of starting point 0g-ESf``{n
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以下直接复制到命令行即可出最终结果 e`F|sz]k"H
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! Command inputs for Workshop 2-2 (for reference) W<o0Z OO
!Restore 20 Degree Digital Camera Lens Setup m)}MkC-
!FILE > OPEN *rT(dp!Y
RES digcam20_start.len G1 tp
!Vary all radii curvature by right clicking in LDM and selecting VARY ~#\#!H7
!HINT: for curvatures highlight all and select vary. Then go back and p ]=;t"
!freeze stop surface radius. C|LQYz-{
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 4&fnu/,Z
!Vary all thicknesses by same method. Do not select surface with solve since GY xI$y0:
!varying this surface will delete solve. If mistake, use UNDO or go to #5 7z-x[1
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve O]eJQ4 XN<
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ' qE
THC S8 0 !Don't forget to vary the image distance which calculates best iZk``5tPE
!best real-ray focus from paraxial image plane or `stBx
!Vary glass by highlighting, right clicking, and selecting Vary 12dW:#[
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ku8c )
!Optimize OPTIMIZATION > AUTOMATIC DESIGN V" iLeC
AUT :X*L lN
EFL Z1 = 8.25 !Effective Focal Length Constraint 7+4"+CA
MNT 0.8 !Minimum Center Thickness General Constraint vy2aNUmt
MNE 0.5 !Minimum Edge Thickness General Constraint \l5:A]J
DRA S1..I YES !Draw a picture of lens system at each cycle =lQ [%&
GO p>3 '77
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!Reanalyze the system. Make sure to "Tear Off" original analysis before c@M@t0WT[
!re-executing to compare optimized system $t'I*k^N
!Re-execute Drawing HH@xn d
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GO ;jI"|v{vnS
!Re-execute MTF S\gP= .G
MTF S]O Hv6
MFR 68 ~W{h-z%q
IFR 17 vyGL n
GO ZH_4'm!^g|
!Re-execute Field (Distortion) Analysis _\PoZ|G4y
FIE =A 6O}0z
GO % 6.jh#C
!Save Lens FILE > SAVE LENS AS... rF3]AW(
SAV digcam20_opt
