主要是看人家的操作步骤,想学命令的人请看，十分有用 "kc/J*u-3
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) E#F/88(
Display > View Lens (accept defaults, click OK, keep window open) WAn'k A
In LDM spreadsheet, select surfaces 1 to Image {?`al5Sz
Choose Edit > Default Variables, then click in any cell to unselect the range 07hF2[i
Right click in each cell and choose Vary for yZ!T8"mz{
Thickness of surfaces 1, 4, 6 YX*Qd$chZ
Glass of surfaces 1, 4, 6 E Kp@9\XBC
File > Save Lens ooV*I|wcI
Using Quick Analysis tool bar, click… y7^{yS[,
Quick Spot Diagram (note scale) IVW1]y
Quick Ray Aberration Plot (note scale) ~0b O}
Quick Field Plot (note scales and maximum distortion value) Dnc<sd;
Analysis > Diffraction > MTF o`.R!wm:W
Freq/Calc Tab: Maximum 68, Increment 17 Sv ;_HZ
Graphics tab: Max plot freq 68 Ig5L$bAM~
Click OK (keep window open, tear off starting MTF graph for later comparison) n k2om$nN
Optimization > Automatic Design p7H3J?`w1+
Output controls: Click Draw System button ?^j^K-rx
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) tbO
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Specific constraints: @ps1Dr4s
Click Insert Specific Constraint <ioO,oS'
Default display is Optical Definitions, Effective Focal Length (correct choice) vO;I(^Q
Enter 8.25 for Constraint Target 6b!F 1
Click OK. XerbUkZ
File > Save Lens As (new name, digcam20_opt.len) lb:/EUd5
Re-run View Lens window to see new lens picture. *]i!fzI']
Re-run each of the Quick Analysis windows and note scales. N&[D>G]>v
Re-run the MTF window, compare to tear-off of starting point v)_nWu
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以下直接复制到命令行即可出最终结果 &*
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! Command inputs for Workshop 2-2 (for reference) &[hLzlrg
!Restore 20 Degree Digital Camera Lens Setup e]Zngt? b
!FILE > OPEN 0
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RES digcam20_start.len +,2Jzl'-
!Vary all radii curvature by right clicking in LDM and selecting VARY
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!HINT: for curvatures highlight all and select vary. Then go back and
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!freeze stop surface radius. >s` J5I!
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 cv/_ r#vN
!Vary all thicknesses by same method. Do not select surface with solve since q %5eVG
!varying this surface will delete solve. If mistake, use UNDO or go to ykrr2x
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 2On_'^O
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ]!IVz)<E&
THC S8 0 !Don't forget to vary the image distance which calculates best iX\W; V
!best real-ray focus from paraxial image plane t^ZV|s 1
!Vary glass by highlighting, right clicking, and selecting Vary s{w[b\rA
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 +t2SzQ j>
!Optimize OPTIMIZATION > AUTOMATIC DESIGN &[&r2 >a
AUT 0cT*z(
EFL Z1 = 8.25 !Effective Focal Length Constraint B(F,h+ajy
MNT 0.8 !Minimum Center Thickness General Constraint KzQ3.)/q
MNE 0.5 !Minimum Edge Thickness General Constraint *|_"W+JC
DRA S1..I YES !Draw a picture of lens system at each cycle 9h0X &1u
GO fo4.JyBk
!Reanalyze the system. Make sure to "Tear Off" original analysis before l$hJ E;n
!re-executing to compare optimized system >Yt/]ta4+
!Re-execute Drawing N4*G{g
VIE a" H WGY
GO <94_ @3
!Re-execute MTF 3 v")J*t
MTF c/ 5W4_J
MFR 68 Iyo@r%I
IFR 17 H'qG/@u -l
GO h d 0 'u
!Re-execute Field (Distortion) Analysis 7#<c>~
FIE bZx!0>h
GO X{kpS A~
!Save Lens FILE > SAVE LENS AS... 8t=(,^c
SAV digcam20_opt
