| 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 ]fzXrN_
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) S>I` y]qlR
Display > View Lens (accept defaults, click OK, keep window open) <L8|Wz
In LDM spreadsheet, select surfaces 1 to Image d7](fw@c
Choose Edit > Default Variables, then click in any cell to unselect the range aC`>~uX##V
Right click in each cell and choose Vary for VIdKe&,
Thickness of surfaces 1, 4, 6 |P]W#~Y-
Glass of surfaces 1, 4, 6 B>c$AS\5y
File > Save Lens 5e. aTW;U
Using Quick Analysis tool bar, click… rmzzbLTu
Quick Spot Diagram (note scale) `$Rgn3
Quick Ray Aberration Plot (note scale) lXTE#,XVf
Quick Field Plot (note scales and maximum distortion value) C0[U}Y/r2
Analysis > Diffraction > MTF Qu[QcB{ro-
Freq/Calc Tab: Maximum 68, Increment 17 z |llf7:
Graphics tab: Max plot freq 68
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Click OK (keep window open, tear off starting MTF graph for later comparison) cy.r /Z}
Optimization > Automatic Design z(A[xN@/W<
Output controls: Click Draw System button "7y, d%H
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) &*>.u8:r
Specific constraints: \1G '{# Q
Click Insert Specific Constraint 2j8GJU/L
Default display is Optical Definitions, Effective Focal Length (correct choice) FA*$ dwp
Enter 8.25 for Constraint Target #dae^UjM
Click OK. "6\ 5eFN;
File > Save Lens As (new name, digcam20_opt.len) 9no<;1+j,
Re-run View Lens window to see new lens picture. pM@8T2 5=
Re-run each of the Quick Analysis windows and note scales. g_cED15
Re-run the MTF window, compare to tear-off of starting point vcdVck@
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以下直接复制到命令行即可出最终结果 e:Y+ -C5
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! Command inputs for Workshop 2-2 (for reference) YA$YT8iMe
!Restore 20 Degree Digital Camera Lens Setup 't`h?V vL
!FILE > OPEN Ur#jJR@%3
RES digcam20_start.len q
!Vary all radii curvature by right clicking in LDM and selecting VARY |&8XmexLb
!HINT: for curvatures highlight all and select vary. Then go back and <b
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!freeze stop surface radius. K bLSK
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Xd %qebK
!Vary all thicknesses by same method. Do not select surface with solve since L0 "|4=
!varying this surface will delete solve. If mistake, use UNDO or go to *|Vf1R]
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve Uo >aQk
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 _aevaWtEx
THC S8 0 !Don't forget to vary the image distance which calculates best eR \duZ!`
!best real-ray focus from paraxial image plane _ +DL
!Vary glass by highlighting, right clicking, and selecting Vary ]0* aE
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 A xsezr/
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ={%'tv`
AUT 56z>/`=
EFL Z1 = 8.25 !Effective Focal Length Constraint kMCP .D45;
MNT 0.8 !Minimum Center Thickness General Constraint Zb=NcEPGy
MNE 0.5 !Minimum Edge Thickness General Constraint B za<.E=
DRA S1..I YES !Draw a picture of lens system at each cycle 5kw
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GO d[9{&YnH !
!Reanalyze the system. Make sure to "Tear Off" original analysis before V8 8u -
!re-executing to compare optimized system Y"bm4&'
!Re-execute Drawing -:%QoRC y
VIE Pv5S k8
GO K +vD&Z^
!Re-execute MTF g)czJ=T2
MTF 8%CznAO"?W
MFR 68 *fc8M( ]&d
IFR 17 1ARtFR2C{b
GO 1rZ E2
!Re-execute Field (Distortion) Analysis G,!j P2S
FIE >u>
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GO u SR%6=$
!Save Lens FILE > SAVE LENS AS... ,nYa+e
SAV digcam20_opt
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