| 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 ~R|9|k
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) &PC6C<<f
Display > View Lens (accept defaults, click OK, keep window open) =; Q/bD->
In LDM spreadsheet, select surfaces 1 to Image /h53;$zK
Choose Edit > Default Variables, then click in any cell to unselect the range x; ?8Zr
Right click in each cell and choose Vary for %"{P?V<-V
Thickness of surfaces 1, 4, 6 =`+D/
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Glass of surfaces 1, 4, 6 @r GY9%E
File > Save Lens Htgo=7!?\3
Using Quick Analysis tool bar, click… fqI67E$59
Quick Spot Diagram (note scale) f-M: ap(O
Quick Ray Aberration Plot (note scale) _$UJ'W})/
Quick Field Plot (note scales and maximum distortion value) kZ5#a)U<
Analysis > Diffraction > MTF BH'*I
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Freq/Calc Tab: Maximum 68, Increment 17 q(n"r0)=
Graphics tab: Max plot freq 68 i:YX_ +n
Click OK (keep window open, tear off starting MTF graph for later comparison) B?B OAH
Optimization > Automatic Design .=e EuH
Output controls: Click Draw System button 7^i7U-A<A
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) {F<0e^*
Specific constraints: y]Nk^ga:U6
Click Insert Specific Constraint r)gK5Mv
Default display is Optical Definitions, Effective Focal Length (correct choice) EV( F!&
Enter 8.25 for Constraint Target uX-^ 9t
Click OK. =][
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File > Save Lens As (new name, digcam20_opt.len) G' U_I
Re-run View Lens window to see new lens picture. V0 ^{Ss1M
Re-run each of the Quick Analysis windows and note scales. mh8fJ6j29N
Re-run the MTF window, compare to tear-off of starting point (?l ]}p^[
---------------------------------------------------------------------------------------------- LAC&W;pJ"
以下直接复制到命令行即可出最终结果 Phi5;U!
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! Command inputs for Workshop 2-2 (for reference) H4ie$/[$8
!Restore 20 Degree Digital Camera Lens Setup fnq 3ic"V
!FILE > OPEN uzH MQp
RES digcam20_start.len H~ yHSm 3
!Vary all radii curvature by right clicking in LDM and selecting VARY 4w+AOWjd
!HINT: for curvatures highlight all and select vary. Then go back and 9\EW~OgTu
!freeze stop surface radius. VzXVy ) d
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 93*d:W8Vr
!Vary all thicknesses by same method. Do not select surface with solve since *+rfRH]a
!varying this surface will delete solve. If mistake, use UNDO or go to ?3~ t%Q`
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ]EHsRd
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 dU9;sx
THC S8 0 !Don't forget to vary the image distance which calculates best l,J>[Q`<
!best real-ray focus from paraxial image plane 8 gavcsVE[
!Vary glass by highlighting, right clicking, and selecting Vary ;+DEU0|pe
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 Tw';;euw
!Optimize OPTIMIZATION > AUTOMATIC DESIGN lG-B)
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AUT W(]A^C=/
EFL Z1 = 8.25 !Effective Focal Length Constraint HrE, K\^
MNT 0.8 !Minimum Center Thickness General Constraint 2,:{ 5 ]Q$
MNE 0.5 !Minimum Edge Thickness General Constraint :#g.%&
DRA S1..I YES !Draw a picture of lens system at each cycle +r v##Z
GO Fj`k3~tUw
!Reanalyze the system. Make sure to "Tear Off" original analysis before ZV--d'YiEm
!re-executing to compare optimized system /k/X[/WO
!Re-execute Drawing CzG[S\{+
VIE !-)!UQ~|8
GO $9?:P}$v
!Re-execute MTF ueJ^Q,-t
MTF OH06{I>;
MFR 68 .I>rX# aNt
IFR 17 ; =n}61
GO F^/KD<cgK
!Re-execute Field (Distortion) Analysis ?lkB{-%rQ
FIE s=:)!M.i
GO )y8Myb}
!Save Lens FILE > SAVE LENS AS... 5Xr})% L
SAV digcam20_opt
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