主要是看人家的操作步骤,想学命令的人请看，十分有用 cij8'( "+!
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) bU/4KZ'-^
Display > View Lens (accept defaults, click OK, keep window open) aNn4j_V (
In LDM spreadsheet, select surfaces 1 to Image =:Yrb2gP_\
Choose Edit > Default Variables, then click in any cell to unselect the range
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Right click in each cell and choose Vary for K^6d_b&
Thickness of surfaces 1, 4, 6 ~F53{qxV
Glass of surfaces 1, 4, 6 +!G J
File > Save Lens jJ aMkF;f
Using Quick Analysis tool bar, click… l1#.r g
Quick Spot Diagram (note scale) H+ 562W
Quick Ray Aberration Plot (note scale) ek. @ 0c
Quick Field Plot (note scales and maximum distortion value) aZ|?i
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Analysis > Diffraction > MTF ^D]J68)#a
Freq/Calc Tab: Maximum 68, Increment 17 /N({ "G'
Graphics tab: Max plot freq 68 ?(U a+*b
Click OK (keep window open, tear off starting MTF graph for later comparison) ie11syhV"
Optimization > Automatic Design
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Output controls: Click Draw System button }VRl L>HAC
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) n=PfV 3B
Specific constraints: +0 }_ X
Click Insert Specific Constraint z` YC3_d
Default display is Optical Definitions, Effective Focal Length (correct choice) 0Vrs bkS
Enter 8.25 for Constraint Target ${E^OE
Click OK. (/0dtJ
File > Save Lens As (new name, digcam20_opt.len) 'Hzc"<2Y\
Re-run View Lens window to see new lens picture. ^V hl@
Re-run each of the Quick Analysis windows and note scales. J>k
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Re-run the MTF window, compare to tear-off of starting point &]Uo>Gb3!q
---------------------------------------------------------------------------------------------- s_}6#;
以下直接复制到命令行即可出最终结果 BsA'r+ho?H
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! Command inputs for Workshop 2-2 (for reference) ok [_Z;
!Restore 20 Degree Digital Camera Lens Setup Y+o\?|q-E
!FILE > OPEN Gov.;hy
RES digcam20_start.len V%)T u{L
!Vary all radii curvature by right clicking in LDM and selecting VARY mBJr*_p
!HINT: for curvatures highlight all and select vary. Then go back and '
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!freeze stop surface radius. j>e RV ol
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 dC8}Ttc}
!Vary all thicknesses by same method. Do not select surface with solve since liG|#ny{
!varying this surface will delete solve. If mistake, use UNDO or go to [= BMvP 5
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 6-uLK'E
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 6bc\
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THC S8 0 !Don't forget to vary the image distance which calculates best ;BqCjS%`N
!best real-ray focus from paraxial image plane jVLJ qWP'!
!Vary glass by highlighting, right clicking, and selecting Vary %$kd`Rl}
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 Cl9rJ oT
!Optimize OPTIMIZATION > AUTOMATIC DESIGN \K~wsu/?`
AUT dHTx^1
EFL Z1 = 8.25 !Effective Focal Length Constraint ;2\6U;
MNT 0.8 !Minimum Center Thickness General Constraint J^ewG
MNE 0.5 !Minimum Edge Thickness General Constraint SASLeGaV
DRA S1..I YES !Draw a picture of lens system at each cycle TTFs|T6`q
GO 5y 5Dn!`
!Reanalyze the system. Make sure to "Tear Off" original analysis before 8!cHRtqK
!re-executing to compare optimized system h d i0YL
!Re-execute Drawing <G |i5/|7
VIE Y)]C.V,~
GO s3nO"~tM
!Re-execute MTF 9 &uf
MTF 4bp})>}jB
MFR 68 \lm ]G 7h
IFR 17 fqY'Uq$=
GO ,c ^nW
!Re-execute Field (Distortion) Analysis qljsoDG
FIE $ ,]U~7S
GO ppNMXbXR
!Save Lens FILE > SAVE LENS AS... Eyjsbj8
SAV digcam20_opt
