| 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 |U kR'Ma
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) p)KheLiZ
Display > View Lens (accept defaults, click OK, keep window open) DwM)r7<Ex
In LDM spreadsheet, select surfaces 1 to Image !{ y@od@T
Choose Edit > Default Variables, then click in any cell to unselect the range 7BE>RE=)
Right click in each cell and choose Vary for 0\X\iz Q5
Thickness of surfaces 1, 4, 6 RVZ")Z(
Glass of surfaces 1, 4, 6 vk }n,ecl
File > Save Lens
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Using Quick Analysis tool bar, click… P}Gj %4/G
Quick Spot Diagram (note scale) MUaq7B _>
Quick Ray Aberration Plot (note scale) []\+k31D
Quick Field Plot (note scales and maximum distortion value) @3>u@
Analysis > Diffraction > MTF !]"@k l%
Freq/Calc Tab: Maximum 68, Increment 17 6/f7<
Graphics tab: Max plot freq 68 ,kyJAju>
Click OK (keep window open, tear off starting MTF graph for later comparison) t;|@o\
Optimization > Automatic Design *l"T$ H
Output controls: Click Draw System button
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General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) -"R2
Specific constraints: JYMiLph<
Click Insert Specific Constraint .u)X3..J
Default display is Optical Definitions, Effective Focal Length (correct choice) >
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Enter 8.25 for Constraint Target T]^62(So
Click OK. w x]0p
File > Save Lens As (new name, digcam20_opt.len) 4n# M
Re-run View Lens window to see new lens picture. B~ 'vCuE
Re-run each of the Quick Analysis windows and note scales. _mj,u64
Re-run the MTF window, compare to tear-off of starting point z{8bvuE
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以下直接复制到命令行即可出最终结果 ;o
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! Command inputs for Workshop 2-2 (for reference) 0%32=k7O[
!Restore 20 Degree Digital Camera Lens Setup 46}g7skD
!FILE > OPEN ]RZ|u*l= x
RES digcam20_start.len 1NbG>E#Ol
!Vary all radii curvature by right clicking in LDM and selecting VARY a1g,@0s
!HINT: for curvatures highlight all and select vary. Then go back and C>ICu*PW
!freeze stop surface radius. X@ --m6-
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 t*=CZE -
!Vary all thicknesses by same method. Do not select surface with solve since .H escg/S
!varying this surface will delete solve. If mistake, use UNDO or go to 0 3L]
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ]RwpX ^ 1
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 'S20\hwt-
THC S8 0 !Don't forget to vary the image distance which calculates best t0( A4E
!best real-ray focus from paraxial image plane C+* d8_L
!Vary glass by highlighting, right clicking, and selecting Vary nyX2|m&
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 O n8v//=&
!Optimize OPTIMIZATION > AUTOMATIC DESIGN k6;?) ~.
AUT jkQ *D(;p
EFL Z1 = 8.25 !Effective Focal Length Constraint S%$ }(
MNT 0.8 !Minimum Center Thickness General Constraint ^dI42 4
MNE 0.5 !Minimum Edge Thickness General Constraint L,HhbTRca
DRA S1..I YES !Draw a picture of lens system at each cycle ]N/=Dd+|
GO 7dN*lks
!Reanalyze the system. Make sure to "Tear Off" original analysis before Ve8=b0&Y#j
!re-executing to compare optimized system hM_lsc
!Re-execute Drawing |sa]F5
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GO kc2 PoJ
!Re-execute MTF l .(v^3:X
MTF UI0( =>L
MFR 68 ru'F 6?d
IFR 17 biL s+\C
GO *~2, /D
!Re-execute Field (Distortion) Analysis /~DI 6g
FIE Qu"8(Jk/
GO 0!D4pvlt
!Save Lens FILE > SAVE LENS AS... {k(g]#pP
SAV digcam20_opt
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