| 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 :PT{>r [
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Am F[#)90P
Display > View Lens (accept defaults, click OK, keep window open) * 1;4&/93o
In LDM spreadsheet, select surfaces 1 to Image x &R9m,
Choose Edit > Default Variables, then click in any cell to unselect the range OE@[a
Right click in each cell and choose Vary for >Q /;0>V
Thickness of surfaces 1, 4, 6 Ur])*#
Glass of surfaces 1, 4, 6 w7@`:W
File > Save Lens ?62Im^1/
Using Quick Analysis tool bar, click… T aS1%(
Quick Spot Diagram (note scale) ;?/5Mr
Quick Ray Aberration Plot (note scale) o.ZR 5 `.
Quick Field Plot (note scales and maximum distortion value) `<nxX sLe
Analysis > Diffraction > MTF Lk !)G'42
Freq/Calc Tab: Maximum 68, Increment 17 3>h2 W
Graphics tab: Max plot freq 68 8%,#TMOg
Click OK (keep window open, tear off starting MTF graph for later comparison) DquL r+s~
Optimization > Automatic Design ~, } |~
Output controls: Click Draw System button 2=_$&oT**
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) $P{`-Y }a
Specific constraints: | SOLC
Click Insert Specific Constraint #yH+ENp0
Default display is Optical Definitions, Effective Focal Length (correct choice) lKsn 6c,]
Enter 8.25 for Constraint Target zGtJ@HbB
Click OK. r? /Uu
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File > Save Lens As (new name, digcam20_opt.len) LI%dJ*-V
Re-run View Lens window to see new lens picture. %M
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Re-run each of the Quick Analysis windows and note scales. 1 sHjM %
Re-run the MTF window, compare to tear-off of starting point 6k
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以下直接复制到命令行即可出最终结果 W0f^!}f(
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! Command inputs for Workshop 2-2 (for reference) ;eYG\u KC{
!Restore 20 Degree Digital Camera Lens Setup R;!,(l
!FILE > OPEN {32m&a
RES digcam20_start.len /
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!Vary all radii curvature by right clicking in LDM and selecting VARY qnp}#BZ
!HINT: for curvatures highlight all and select vary. Then go back and &3t973=
!freeze stop surface radius. |,$&jSe
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 R,BJr y
!Vary all thicknesses by same method. Do not select surface with solve since 8%K{l g"
!varying this surface will delete solve. If mistake, use UNDO or go to p3A 9 <g
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve [OCjYC `
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 UQu6JkbLL
THC S8 0 !Don't forget to vary the image distance which calculates best nB`|VYmOP1
!best real-ray focus from paraxial image plane i%FC
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!Vary glass by highlighting, right clicking, and selecting Vary ;5ki$)v"
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 8{ZTHY -
!Optimize OPTIMIZATION > AUTOMATIC DESIGN yP{ 52%|+
AUT _Q1p_sdg
EFL Z1 = 8.25 !Effective Focal Length Constraint k ;^$Pd?t
MNT 0.8 !Minimum Center Thickness General Constraint 'W(u.
MNE 0.5 !Minimum Edge Thickness General Constraint P*6m~`"5
DRA S1..I YES !Draw a picture of lens system at each cycle h^ Cm\V
GO wY<s
!Reanalyze the system. Make sure to "Tear Off" original analysis before [h'u@%N|/
!re-executing to compare optimized system 0OM^,5 %8
!Re-execute Drawing WK6,K 92
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GO DKj iooD
!Re-execute MTF _8.TPB]no
MTF e6taQz@}
MFR 68 v":q_w <k
IFR 17 Ikdj?"+ O
GO ^t})T*hM0
!Re-execute Field (Distortion) Analysis %'1iT! g8
FIE tY;<S}[@7w
GO _3aE]\O[
!Save Lens FILE > SAVE LENS AS... 9K@ I
SAV digcam20_opt
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