| longlllooo |
2006-03-27 20:26 |
主要是看人家的操作步骤,想学命令的人请看，十分有用 * #yF`_p
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) $^x=i;>aK.
Display > View Lens (accept defaults, click OK, keep window open) *G"hjc$L
In LDM spreadsheet, select surfaces 1 to Image 7nt(Rtbsu
Choose Edit > Default Variables, then click in any cell to unselect the range 0 h-NT\m
Right click in each cell and choose Vary for &3vm
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Thickness of surfaces 1, 4, 6 Kz'GAm\
Glass of surfaces 1, 4, 6 ZCCCuB
File > Save Lens c <TEA
Using Quick Analysis tool bar, click… ?1Nz
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Quick Spot Diagram (note scale) j{C~wy!J
Quick Ray Aberration Plot (note scale) #2=l\y-#
Quick Field Plot (note scales and maximum distortion value) V&zeC/xSq
Analysis > Diffraction > MTF [R]V4Hb
Freq/Calc Tab: Maximum 68, Increment 17
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Graphics tab: Max plot freq 68 /xn|d#4
Click OK (keep window open, tear off starting MTF graph for later comparison) '5} hm1,
Optimization > Automatic Design # X (2
Output controls: Click Draw System button 3 M#x)cW
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) I:dUHN+@L5
Specific constraints: Dj/Hz\
Click Insert Specific Constraint aB%.]bi
Default display is Optical Definitions, Effective Focal Length (correct choice) |Iy;_8c
Enter 8.25 for Constraint Target 0fc;H}B*
Click OK. ?e%*q^~Cu
File > Save Lens As (new name, digcam20_opt.len) 2Z; !N37U
Re-run View Lens window to see new lens picture. + |C@B`h
Re-run each of the Quick Analysis windows and note scales. +2[0q% i
Re-run the MTF window, compare to tear-off of starting point Y[*. ^l._
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以下直接复制到命令行即可出最终结果 <Zva
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! Command inputs for Workshop 2-2 (for reference) lz^Vi!|p
!Restore 20 Degree Digital Camera Lens Setup G}U <^]c
!FILE > OPEN ~n -N
RES digcam20_start.len =Ti!9 _~
!Vary all radii curvature by right clicking in LDM and selecting VARY 2)BO@]n
!HINT: for curvatures highlight all and select vary. Then go back and $uLTYu
!freeze stop surface radius. ?0)K[Kd'Y
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 gY+d[3N
!Vary all thicknesses by same method. Do not select surface with solve since >p&"X 2
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!varying this surface will delete solve. If mistake, use UNDO or go to y,?=,x}o#
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 1_7p`Gxt[/
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 taDe^Ist j
THC S8 0 !Don't forget to vary the image distance which calculates best =t N }4
!best real-ray focus from paraxial image plane & n*ga$Q
!Vary glass by highlighting, right clicking, and selecting Vary +*OAClt+]
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 q:_:E*o
!Optimize OPTIMIZATION > AUTOMATIC DESIGN p$"~v A .
AUT 5$i(f8*
EFL Z1 = 8.25 !Effective Focal Length Constraint (o{ Y;E@/y
MNT 0.8 !Minimum Center Thickness General Constraint Az8b_:=
MNE 0.5 !Minimum Edge Thickness General Constraint OcB&6!1u
DRA S1..I YES !Draw a picture of lens system at each cycle G! %m~+",
GO @E z>?#z
!Reanalyze the system. Make sure to "Tear Off" original analysis before &wQ<sVQ0$
!re-executing to compare optimized system H2iIBGu |L
!Re-execute Drawing Zzlt^#KLx
VIE Mn5(Kw?o2J
GO I484c R2.
!Re-execute MTF 9z?c0W5 x
MTF
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MFR 68 7( 5 d$ W
IFR 17 |keU+De
GO #@n PB.
!Re-execute Field (Distortion) Analysis A}! A*z<9
FIE 8K^#$,.."
GO >0 7i"a
!Save Lens FILE > SAVE LENS AS... -Tvnd,
SAV digcam20_opt
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