主要是看人家的操作步骤,想学命令的人请看，十分有用 -H-:b7
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) j, @@[{tu
Display > View Lens (accept defaults, click OK, keep window open) ]sL)[o
In LDM spreadsheet, select surfaces 1 to Image + 2?=W1`
Choose Edit > Default Variables, then click in any cell to unselect the range e$=UA%
Right click in each cell and choose Vary for !wNj;ST*
Thickness of surfaces 1, 4, 6 >.4mA O
Glass of surfaces 1, 4, 6 /t"F Z#
File > Save Lens
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Using Quick Analysis tool bar, click… pN?geF~t|
Quick Spot Diagram (note scale) {$H-7-O$
Quick Ray Aberration Plot (note scale) & c V$`L
Quick Field Plot (note scales and maximum distortion value) yMVlTO
Analysis > Diffraction > MTF $vjl-1x&
Freq/Calc Tab: Maximum 68, Increment 17 {2,vxGi
Graphics tab: Max plot freq 68 YggeKN
Click OK (keep window open, tear off starting MTF graph for later comparison) K}e:zR;;^
Optimization > Automatic Design (u :^4,Z
Output controls: Click Draw System button jqv"8S5
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 43m@4Yb
Specific constraints: |f IIf YE
Click Insert Specific Constraint h}$g}f%$+
Default display is Optical Definitions, Effective Focal Length (correct choice) =R6IW, *
Enter 8.25 for Constraint Target 7G]v(ay
Click OK. R q
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File > Save Lens As (new name, digcam20_opt.len) 1~aP)q
Re-run View Lens window to see new lens picture. HY!R |
Re-run each of the Quick Analysis windows and note scales. p() #+Xy
Re-run the MTF window, compare to tear-off of starting point 9S _PZH
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以下直接复制到命令行即可出最终结果 X"Ca
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! Command inputs for Workshop 2-2 (for reference) ~H4wsa3 9
!Restore 20 Degree Digital Camera Lens Setup M%(^GdI#Vf
!FILE > OPEN " \`>Ll
RES digcam20_start.len E>I\m!ue
!Vary all radii curvature by right clicking in LDM and selecting VARY UYw=i4J'
!HINT: for curvatures highlight all and select vary. Then go back and ='G-wX&k
!freeze stop surface radius. }huFv*<@'
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 CR8szMa
!Vary all thicknesses by same method. Do not select surface with solve since ATzFs]~K;
!varying this surface will delete solve. If mistake, use UNDO or go to *'to#_n&W
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 9,c_(%C
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 6m$lK%P {1
THC S8 0 !Don't forget to vary the image distance which calculates best `p'682x I
!best real-ray focus from paraxial image plane !YVGT
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!Vary glass by highlighting, right clicking, and selecting Vary # T3dfVWv
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 X 7R&>Pf
!Optimize OPTIMIZATION > AUTOMATIC DESIGN %iR"eEE
AUT +oev NM
EFL Z1 = 8.25 !Effective Focal Length Constraint Kg6[
MNT 0.8 !Minimum Center Thickness General Constraint N> jQe
MNE 0.5 !Minimum Edge Thickness General Constraint pt$\ pQ
DRA S1..I YES !Draw a picture of lens system at each cycle PK).)5sW
GO z; Jz^m-
!Reanalyze the system. Make sure to "Tear Off" original analysis before {|{;:_.>
!re-executing to compare optimized system W\Df:P {<
!Re-execute Drawing L.?QZN%cN
VIE lx\9 Y 8
GO ?>/9ae^Bw
!Re-execute MTF Z_;! f}X
MTF )lZoXt_3
MFR 68 Ms
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IFR 17 :i9=W j
GO 0PD=/fh[
!Re-execute Field (Distortion) Analysis A9_} RJ9
FIE l0 w<NZ F
GO %zz,qs)Eu
!Save Lens FILE > SAVE LENS AS... ZA+w7S3
SAV digcam20_opt
