主要是看人家的操作步骤,想学命令的人请看，十分有用 K-Ef%a2#`
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) & oMh]Z*:
Display > View Lens (accept defaults, click OK, keep window open) 5{,<j\#L
In LDM spreadsheet, select surfaces 1 to Image M o|2}nf
Choose Edit > Default Variables, then click in any cell to unselect the range ~P-mC@C
Right click in each cell and choose Vary for 'I;zJ`Trd
Thickness of surfaces 1, 4, 6 pQB."[n
Glass of surfaces 1, 4, 6 -Q Nh
File > Save Lens 9\(|
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Using Quick Analysis tool bar, click… 1'8Yk hQ2a
Quick Spot Diagram (note scale)
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Quick Ray Aberration Plot (note scale) fk-RV>yr
Quick Field Plot (note scales and maximum distortion value) N;%6:I./
Analysis > Diffraction > MTF >vsqG=x
Freq/Calc Tab: Maximum 68, Increment 17 !& E-}}<
Graphics tab: Max plot freq 68 om> KU$g
Click OK (keep window open, tear off starting MTF graph for later comparison) OY({.uV dX
Optimization > Automatic Design ?a]mDx>xh
Output controls: Click Draw System button Fsg*FH7J
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) wMN]~|z>
Specific constraints: 1$ {SRU7l
Click Insert Specific Constraint COlaD"Y
Default display is Optical Definitions, Effective Focal Length (correct choice) l'E6CL}@[
Enter 8.25 for Constraint Target "0TZTa1e
Click OK. BMf@ M
File > Save Lens As (new name, digcam20_opt.len) K*d Cc}:`
Re-run View Lens window to see new lens picture. <1!O1ab
Re-run each of the Quick Analysis windows and note scales. GC'O[q+
Re-run the MTF window, compare to tear-off of starting point />>\IR
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以下直接复制到命令行即可出最终结果 X}0cCdW
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! Command inputs for Workshop 2-2 (for reference) 8q7b_Pq1U
!Restore 20 Degree Digital Camera Lens Setup
!}$$:
!FILE > OPEN sDV Q#}a
RES digcam20_start.len ,R|BG
!Vary all radii curvature by right clicking in LDM and selecting VARY /qw.p#
!HINT: for curvatures highlight all and select vary. Then go back and f%hEnZv
!freeze stop surface radius. Z 3!`J&
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 }(u
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!Vary all thicknesses by same method. Do not select surface with solve since >
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!varying this surface will delete solve. If mistake, use UNDO or go to ^<AwG=
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve x,V r=FB
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 BDVtSs<7
THC S8 0 !Don't forget to vary the image distance which calculates best 6W
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!best real-ray focus from paraxial image plane ;A[Q2( w+
!Vary glass by highlighting, right clicking, and selecting Vary |Q>Ir T
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 /a o5FL
!Optimize OPTIMIZATION > AUTOMATIC DESIGN :BT q!>s
AUT e>7i_4(C
EFL Z1 = 8.25 !Effective Focal Length Constraint Z/J y'$x
MNT 0.8 !Minimum Center Thickness General Constraint &+R?_Ooibk
MNE 0.5 !Minimum Edge Thickness General Constraint Aiea\j Bv
DRA S1..I YES !Draw a picture of lens system at each cycle WX0tgXl
GO Hp nWo DM
!Reanalyze the system. Make sure to "Tear Off" original analysis before KK &?gTa
!re-executing to compare optimized system qIqM{#' ^
!Re-execute Drawing 8\gjST*
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GO %~S&AE-
!Re-execute MTF ReeH@.74
MTF ~PNub E
MFR 68 ;A!BVq
IFR 17 ete.! *=
GO #3d(M
!Re-execute Field (Distortion) Analysis 6LZ;T.0o
FIE `@s^(hc7i
GO - Y;3I00(
!Save Lens FILE > SAVE LENS AS... L j$;:/G
SAV digcam20_opt
