| 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 loAfFK>g
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 4IH0un
Display > View Lens (accept defaults, click OK, keep window open) Z &ua, :5
In LDM spreadsheet, select surfaces 1 to Image wt3Z?Pb
Choose Edit > Default Variables, then click in any cell to unselect the range }-k_?2"A
Right click in each cell and choose Vary for Q7OnhGA
Thickness of surfaces 1, 4, 6 QqT6P`0u
Glass of surfaces 1, 4, 6 MC[ `<W) u
File > Save Lens ;RTrRh0v
Using Quick Analysis tool bar, click… BdRE*9.0
Quick Spot Diagram (note scale) Xv<;[vq}F
Quick Ray Aberration Plot (note scale) '=@H2T6=
Quick Field Plot (note scales and maximum distortion value) h|Teh-@A5
Analysis > Diffraction > MTF . T
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Freq/Calc Tab: Maximum 68, Increment 17 I*`=[nR
Graphics tab: Max plot freq 68 (PE8H~d
Click OK (keep window open, tear off starting MTF graph for later comparison) 3e!a>Gl*
Optimization > Automatic Design 9 Le/'o vq
Output controls: Click Draw System button hc31+TL
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) LmT[N@>"
Specific constraints: fTi{oY,zTg
Click Insert Specific Constraint Sj=69>m]5
Default display is Optical Definitions, Effective Focal Length (correct choice) )e <! =S
Enter 8.25 for Constraint Target HnYFE@Nl:U
Click OK. H8Z Z@@ qm
File > Save Lens As (new name, digcam20_opt.len) c=U$$|qHV
Re-run View Lens window to see new lens picture. F"HI>t)>
Re-run each of the Quick Analysis windows and note scales. Xk$l-Zfse
Re-run the MTF window, compare to tear-off of starting point cxF?&0[mY
---------------------------------------------------------------------------------------------- Z 1MJ!{@6
以下直接复制到命令行即可出最终结果 5;i!PuL
---------------------------------------------------------------------------------------------- N 4J qW
! Command inputs for Workshop 2-2 (for reference) aZ`_W|
!Restore 20 Degree Digital Camera Lens Setup 9^[5!SMzCj
!FILE > OPEN JCU3\39}
RES digcam20_start.len Yqz[sz5+m
!Vary all radii curvature by right clicking in LDM and selecting VARY <^X'f
!HINT: for curvatures highlight all and select vary. Then go back and K TAe~y
!freeze stop surface radius. Gh>fp
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 1RUbY>K#U
!Vary all thicknesses by same method. Do not select surface with solve since ,VcD vZ7
!varying this surface will delete solve. If mistake, use UNDO or go to h1 UlLy 8
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 2
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 #Ot*jb1
THC S8 0 !Don't forget to vary the image distance which calculates best %?9r (&
!best real-ray focus from paraxial image plane 3 5]G_\
!Vary glass by highlighting, right clicking, and selecting Vary %(7w Z0Z
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 N@du.d:
!Optimize OPTIMIZATION > AUTOMATIC DESIGN GVHfN5bTqn
AUT ~)_ ?:.Da
EFL Z1 = 8.25 !Effective Focal Length Constraint -aeo7C
MNT 0.8 !Minimum Center Thickness General Constraint {-7yZ]OO$
MNE 0.5 !Minimum Edge Thickness General Constraint FsPDWy&x
DRA S1..I YES !Draw a picture of lens system at each cycle {ALBmSapK"
GO ; h(;(
!Reanalyze the system. Make sure to "Tear Off" original analysis before G]NtX4' 4
!re-executing to compare optimized system |% YzGgp7
!Re-execute Drawing K7R])*B.~
VIE kI[O {<kQ
GO 8KELN(o$ 7
!Re-execute MTF Wj{Rp{}3
MTF L XfeXWw?,
MFR 68 +}L3T"
IFR 17 j'Q-*- 3
GO R&|)y:bg|
!Re-execute Field (Distortion) Analysis :iOHc-x
FIE 2Q'XB
GO 9xS`@ "`
!Save Lens FILE > SAVE LENS AS... Wv*BwiQ
SAV digcam20_opt
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