主要是看人家的操作步骤,想学命令的人请看,十分有用 Q=WySIF.
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) #AShbl jm+
Display > View Lens (accept defaults, click OK, keep window open) PQ$sOK|/
In LDM spreadsheet, select surfaces 1 to Image L_~8"I_
Choose Edit > Default Variables, then click in any cell to unselect the range YlTaN,?j
Right click in each cell and choose Vary for 5X#E@3g5
Thickness of surfaces 1, 4, 6 >{wuEPA
Glass of surfaces 1, 4, 6 "N 3)Qr
File > Save Lens O#)jr-vXdV
Using Quick Analysis tool bar, click… A
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Quick Spot Diagram (note scale) Hkege5{
Quick Ray Aberration Plot (note scale) k=$AhT=e}n
Quick Field Plot (note scales and maximum distortion value) Q,gLi\siI
Analysis > Diffraction > MTF le8 #Z}p
Freq/Calc Tab: Maximum 68, Increment 17 d1c0l{JV3
Graphics tab: Max plot freq 68 z8"7u/4v{
Click OK (keep window open, tear off starting MTF graph for later comparison) xR?V,uV'$&
Optimization > Automatic Design [*Uu#9
Output controls: Click Draw System button i7 w(S3a
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 19W:-Om
Specific constraints: rQb7?O@-
Click Insert Specific Constraint V%*b@zv
Default display is Optical Definitions, Effective Focal Length (correct choice) ~E)fpGJ
Enter 8.25 for Constraint Target pvF-Y9Xb
Click OK. Z.1>
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File > Save Lens As (new name, digcam20_opt.len) LHkQ'O0
Re-run View Lens window to see new lens picture. /&^W#U$4
Re-run each of the Quick Analysis windows and note scales. MjD75hIZ
Re-run the MTF window, compare to tear-off of starting point Jxa4hM0
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以下直接复制到命令行即可出最终结果 yCP4r6X0
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! Command inputs for Workshop 2-2 (for reference) r^1+cwy/7P
!Restore 20 Degree Digital Camera Lens Setup 5)UQWnd5
!FILE > OPEN }r%X`i|
RES digcam20_start.len
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!Vary all radii curvature by right clicking in LDM and selecting VARY A&"%os
!HINT: for curvatures highlight all and select vary. Then go back and vUesV%9hq
!freeze stop surface radius. ++jAz<46
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 -oP'4QVb
!Vary all thicknesses by same method. Do not select surface with solve since ,R2U`EO;
!varying this surface will delete solve. If mistake, use UNDO or go to 5T?-zFMM
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ?!'ZfQ:zK
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 }D;WN@],
THC S8 0 !Don't forget to vary the image distance which calculates best O9"/
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!best real-ray focus from paraxial image plane *F`A S>
!Vary glass by highlighting, right clicking, and selecting Vary 69G`2_eKCp
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ;
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!Optimize OPTIMIZATION > AUTOMATIC DESIGN Ii&7rdoxe
AUT 3\:y8|
EFL Z1 = 8.25 !Effective Focal Length Constraint bt$)Xu<R
MNT 0.8 !Minimum Center Thickness General Constraint +>\id~c(
MNE 0.5 !Minimum Edge Thickness General Constraint !mMpb/&&S
DRA S1..I YES !Draw a picture of lens system at each cycle \ck+GW4&
GO Ul+Mo&y-
!Reanalyze the system. Make sure to "Tear Off" original analysis before %$5H!!~o
!re-executing to compare optimized system OLC{iD#
!Re-execute Drawing 5ZY<JA3
VIE {Ui=b+
GO jE\Sm2G9
!Re-execute MTF ep/Y^&$M
MTF rXfy!rD_P_
MFR 68 S* *oA 6
IFR 17 N!2Rl
GO [7FItlF%I
!Re-execute Field (Distortion) Analysis Np+&t}
FIE o*rQP!8,oy
GO eKvV*[Na
!Save Lens FILE > SAVE LENS AS... Qnd5X`jF#
SAV digcam20_opt