主要是看人家的操作步骤,想学命令的人请看，十分有用 )5.C]4jol
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) UEzb^(8>
Display > View Lens (accept defaults, click OK, keep window open) Eb=#9f%y>&
In LDM spreadsheet, select surfaces 1 to Image 4L73]3&
Choose Edit > Default Variables, then click in any cell to unselect the range vYU;_R
Right click in each cell and choose Vary for a+9 *@z2
Thickness of surfaces 1, 4, 6 !xKJE:4/,m
Glass of surfaces 1, 4, 6 5zIAhg@o:q
File > Save Lens }h}<! s
Using Quick Analysis tool bar, click… f5GdZ_
Quick Spot Diagram (note scale) >"@ ?ir
Quick Ray Aberration Plot (note scale) )#}mH @
Quick Field Plot (note scales and maximum distortion value) ,~);EC=`
Analysis > Diffraction > MTF nxJee=qH
Freq/Calc Tab: Maximum 68, Increment 17 k,uK6$Z
Graphics tab: Max plot freq 68 'vbc#_;
Click OK (keep window open, tear off starting MTF graph for later comparison) ;kJu$U
Optimization > Automatic Design f(e Q+0D
Output controls: Click Draw System button ~6 I)|^Z
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 7 uarh!
Specific constraints: /2 m?15c+
Click Insert Specific Constraint $7'g Rb4
Default display is Optical Definitions, Effective Focal Length (correct choice) eJo3 MK
Enter 8.25 for Constraint Target !gmH$1w
Click OK. -.|4Y#b:&
File > Save Lens As (new name, digcam20_opt.len) z 8*8OWM
Re-run View Lens window to see new lens picture. P\&! ]
Re-run each of the Quick Analysis windows and note scales. C P3<1~
Re-run the MTF window, compare to tear-off of starting point }I!hOD>]O
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以下直接复制到命令行即可出最终结果 x#N-&baS
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! Command inputs for Workshop 2-2 (for reference) WpLZQ6wH
!Restore 20 Degree Digital Camera Lens Setup A, PlvI
!FILE > OPEN Y=
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RES digcam20_start.len P &)1Rka
!Vary all radii curvature by right clicking in LDM and selecting VARY S', 9g4(5
!HINT: for curvatures highlight all and select vary. Then go back and zLD| /`
!freeze stop surface radius. $y?k[Y-~
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 $^tv45
!Vary all thicknesses by same method. Do not select surface with solve since =ORf%f5"'
!varying this surface will delete solve. If mistake, use UNDO or go to PjIeZ&p
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve (#oycj^<
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 pU!o7>p
THC S8 0 !Don't forget to vary the image distance which calculates best !tHt,eJy
!best real-ray focus from paraxial image plane #2:a[
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!Vary glass by highlighting, right clicking, and selecting Vary %Z8vdU# l
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ZE `lr+_Y
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Se!)n;?7Sw
AUT =_[Z W
EFL Z1 = 8.25 !Effective Focal Length Constraint s(_+!d6
MNT 0.8 !Minimum Center Thickness General Constraint 9Z6C8J v
MNE 0.5 !Minimum Edge Thickness General Constraint 3qQUpm+
DRA S1..I YES !Draw a picture of lens system at each cycle .]|Zf!>}s
GO 7rHS^8'H&
!Reanalyze the system. Make sure to "Tear Off" original analysis before V5D`eX9
!re-executing to compare optimized system 5=KF!?
!Re-execute Drawing Y1dVM]l
VIE 7);:ZpDv%L
GO #' hL b
!Re-execute MTF c
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MTF 8#` 6M5
MFR 68 * \HRw +cL
IFR 17 &&L"&Rc
GO =raA?Bp3;(
!Re-execute Field (Distortion) Analysis Yn9j -`
FIE \nqo%5XL
GO }xlKonk
!Save Lens FILE > SAVE LENS AS... &D#+6M&LK{
SAV digcam20_opt
