| longlllooo |
2006-03-27 20:24 |
主要是看人家的操作步骤,想学命令的人请看，十分有用 K~z9b4a>
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) +)d7SWO6]!
Display > View Lens (accept defaults, click OK, keep window open) #+P)X_i`
In LDM spreadsheet, select surfaces 1 to Image W3i X;-Z
Choose Edit > Default Variables, then click in any cell to unselect the range 4\8k~ #
Right click in each cell and choose Vary for Yr+ghl/ V
Thickness of surfaces 1, 4, 6 3^AS8%qG
Glass of surfaces 1, 4, 6 _$4vk
File > Save Lens r+Y]S-o:
Using Quick Analysis tool bar, click… s^AZ)k~J(
Quick Spot Diagram (note scale) gMZ?MG
Quick Ray Aberration Plot (note scale) JSiLG0
Quick Field Plot (note scales and maximum distortion value) C[(Exe
Analysis > Diffraction > MTF %Os V(7
Freq/Calc Tab: Maximum 68, Increment 17 [k6 5i
Graphics tab: Max plot freq 68 ?x
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Click OK (keep window open, tear off starting MTF graph for later comparison) FY]z *=
Optimization > Automatic Design 9Fxz9_ i
Output controls: Click Draw System button "7a;Ap q*
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ag$UNV
Specific constraints: [mk !] r
Click Insert Specific Constraint } vdh k0
Default display is Optical Definitions, Effective Focal Length (correct choice) %!1:BQ,p,i
Enter 8.25 for Constraint Target jCbxI^3A
Click OK. 7: T 5P
File > Save Lens As (new name, digcam20_opt.len) )Ikx0vDFQ
Re-run View Lens window to see new lens picture. <El6?ml@
Re-run each of the Quick Analysis windows and note scales. +#y[sKa
Re-run the MTF window, compare to tear-off of starting point (@?PN+68|
---------------------------------------------------------------------------------------------- xlaBOK a%
以下直接复制到命令行即可出最终结果 5 gbJTh<JU
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! Command inputs for Workshop 2-2 (for reference) e[8p /hId
!Restore 20 Degree Digital Camera Lens Setup s?*MZC
!FILE > OPEN cB7=4:U
RES digcam20_start.len Iih~rWJ
!Vary all radii curvature by right clicking in LDM and selecting VARY O-vvFl#4
!HINT: for curvatures highlight all and select vary. Then go back and t1
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!freeze stop surface radius. m/0t;
cx
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Ye_)~,{,p
!Vary all thicknesses by same method. Do not select surface with solve since -3c?Yaf"
!varying this surface will delete solve. If mistake, use UNDO or go to U(=cGA.$
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve iwfv t^
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 +x0-hRD
THC S8 0 !Don't forget to vary the image distance which calculates best rT
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!best real-ray focus from paraxial image plane ,*V{g pC7
!Vary glass by highlighting, right clicking, and selecting Vary g=:C/>g
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 IXf@YV
!Optimize OPTIMIZATION > AUTOMATIC DESIGN @T r8.4
AUT d&0^AvM@
EFL Z1 = 8.25 !Effective Focal Length Constraint &`63"^y
MNT 0.8 !Minimum Center Thickness General Constraint ( U V8M\
MNE 0.5 !Minimum Edge Thickness General Constraint RxkcQL/Le
DRA S1..I YES !Draw a picture of lens system at each cycle MqI!i>
GO #f@sq5pTO
!Reanalyze the system. Make sure to "Tear Off" original analysis before h 7
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!re-executing to compare optimized system h^bbU.
!Re-execute Drawing /cDla5eej
VIE t{K1 ht$[:
GO W$P)fPU'
!Re-execute MTF nK6{_Y>
MTF j4Cad
MFR 68 -$4PY,
IFR 17 z@bi X
GO e2%Y8ZJG.
!Re-execute Field (Distortion) Analysis N Q%lwE~
FIE [3rvRJ.
GO w.Ft-RXA W
!Save Lens FILE > SAVE LENS AS... H5=-b@(
SAV digcam20_opt
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