主要是看人家的操作步骤,想学命令的人请看，十分有用 ?uN(" I
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) S#9SAX [
Display > View Lens (accept defaults, click OK, keep window open) Gpu?z- )
In LDM spreadsheet, select surfaces 1 to Image -T8
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Choose Edit > Default Variables, then click in any cell to unselect the range 1`t? 5|s>
Right click in each cell and choose Vary for dNobvK
Thickness of surfaces 1, 4, 6 iQF}x&a<
Glass of surfaces 1, 4, 6 a\w | tf
File > Save Lens bM-Rj1#Lo
Using Quick Analysis tool bar, click… Kd)m"9Cc
Quick Spot Diagram (note scale) QFPx4F7(e
Quick Ray Aberration Plot (note scale)
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Quick Field Plot (note scales and maximum distortion value) fz3*oJ '
Analysis > Diffraction > MTF Mvv =)?:
Freq/Calc Tab: Maximum 68, Increment 17 m { fQL
Graphics tab: Max plot freq 68 Uz|]}t5V
Click OK (keep window open, tear off starting MTF graph for later comparison) "BRE0Ir:
Optimization > Automatic Design VZoOdR:d
Output controls: Click Draw System button 8 95 7$g
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) G#: !wI
Specific constraints: Oy&'zigJ
Click Insert Specific Constraint <^Tj}5 )n
Default display is Optical Definitions, Effective Focal Length (correct choice) ^Q>*f/.KN
Enter 8.25 for Constraint Target F21[r!3
Click OK. Y ,yaB)&Ih
File > Save Lens As (new name, digcam20_opt.len) o }A #-
Re-run View Lens window to see new lens picture. ~S6 {VK.
Re-run each of the Quick Analysis windows and note scales. T6$<o\g'
Re-run the MTF window, compare to tear-off of starting point D3xaR
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以下直接复制到命令行即可出最终结果 <h=M
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! Command inputs for Workshop 2-2 (for reference) c5e\ck qm^
!Restore 20 Degree Digital Camera Lens Setup S(i(1Hs.
!FILE > OPEN |s a7Y_
RES digcam20_start.len HW72 6K*
!Vary all radii curvature by right clicking in LDM and selecting VARY M[u3]dN
!HINT: for curvatures highlight all and select vary. Then go back and , ~xU>L^
!freeze stop surface radius. ]ECZU
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ;;!{m(;LS}
!Vary all thicknesses by same method. Do not select surface with solve since Rk%M~ D*-
!varying this surface will delete solve. If mistake, use UNDO or go to dY<#a,eS
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ~iZF~PQ1_
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 %k
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THC S8 0 !Don't forget to vary the image distance which calculates best ;/ KF3
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!best real-ray focus from paraxial image plane ~q(C j"7
!Vary glass by highlighting, right clicking, and selecting Vary [9om"'
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ZHlin#"
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Z(mn
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AUT .oj" ru
EFL Z1 = 8.25 !Effective Focal Length Constraint KHz838C]
MNT 0.8 !Minimum Center Thickness General Constraint g/Jj ]X#r
MNE 0.5 !Minimum Edge Thickness General Constraint #0^3 Wm`X;
DRA S1..I YES !Draw a picture of lens system at each cycle }#*zjMOz
GO a=.db&;vY
!Reanalyze the system. Make sure to "Tear Off" original analysis before n "KJB
!re-executing to compare optimized system !a(qqZ|s
!Re-execute Drawing *9Js:z7I
VIE S\g7wXH
GO <S@mQJS!y
!Re-execute MTF HcVs(]tIW
MTF 9c}]:3#XO
MFR 68 b[o"Uq@8?
IFR 17 /{ MH'
GO JS?l?~
!Re-execute Field (Distortion) Analysis < VR&= YJ
FIE C%?D E@k
GO GdeR#% z
!Save Lens FILE > SAVE LENS AS... N|d.!Q;V.y
SAV digcam20_opt
