主要是看人家的操作步骤,想学命令的人请看,十分有用 OU&eswW
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) P%`|Tu!B
Display > View Lens (accept defaults, click OK, keep window open) :<$B o
In LDM spreadsheet, select surfaces 1 to Image 88\0opL-
Choose Edit > Default Variables, then click in any cell to unselect the range : tKa1vL
Right click in each cell and choose Vary for #jdo54-
Thickness of surfaces 1, 4, 6 f>$Ld1
Glass of surfaces 1, 4, 6 &?\'Z~B4
File > Save Lens ~Q7)6%
Using Quick Analysis tool bar, click… %Z|]"=;6
Quick Spot Diagram (note scale) rO8Q||@>A
Quick Ray Aberration Plot (note scale) |3\$\qa
Quick Field Plot (note scales and maximum distortion value) Sn 3@+9J
Analysis > Diffraction > MTF .I%p0ds1r
Freq/Calc Tab: Maximum 68, Increment 17 }1<_
Graphics tab: Max plot freq 68 q:A{@kFq_
Click OK (keep window open, tear off starting MTF graph for later comparison) `uRf*-
Optimization > Automatic Design Pe_mX*0
Output controls: Click Draw System button f( (p\&y
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) S}zh0`+d'Z
Specific constraints: (ATvH_Z
Click Insert Specific Constraint 99Jk<x
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Default display is Optical Definitions, Effective Focal Length (correct choice) fJ"#c<n
Enter 8.25 for Constraint Target 5r1{l%?
Click OK. q^nSYp#
File > Save Lens As (new name, digcam20_opt.len) ~I^}'^Dbb
Re-run View Lens window to see new lens picture. K}^Jf;
Re-run each of the Quick Analysis windows and note scales. \@]/ks=K
Re-run the MTF window, compare to tear-off of starting point 56!>}!8!
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以下直接复制到命令行即可出最终结果 nv WTx4oy
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! Command inputs for Workshop 2-2 (for reference) /0 |niiI
!Restore 20 Degree Digital Camera Lens Setup AEx|<E0
!FILE > OPEN )3O0:]<H
RES digcam20_start.len s^nPSY!
!Vary all radii curvature by right clicking in LDM and selecting VARY ,>-Q#
!HINT: for curvatures highlight all and select vary. Then go back and ]KX _a1e
!freeze stop surface radius. rSTc4m1R
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 " bHeNWZ
!Vary all thicknesses by same method. Do not select surface with solve since cp|&&q
!varying this surface will delete solve. If mistake, use UNDO or go to JDO5eEwj
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve W?W vT`
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ]V9z)uz
THC S8 0 !Don't forget to vary the image distance which calculates best J:M)gh~#
!best real-ray focus from paraxial image plane .\*3t/R=X
!Vary glass by highlighting, right clicking, and selecting Vary ![H!Y W'
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ,l[h9J
!Optimize OPTIMIZATION > AUTOMATIC DESIGN B Z:H$v
AUT IT \Pj_
EFL Z1 = 8.25 !Effective Focal Length Constraint 6`LC(Nv%-n
MNT 0.8 !Minimum Center Thickness General Constraint /$OX'L&b
MNE 0.5 !Minimum Edge Thickness General Constraint <,S0C\la=
DRA S1..I YES !Draw a picture of lens system at each cycle #UN(R
GO F +e
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!Reanalyze the system. Make sure to "Tear Off" original analysis before {V&
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!re-executing to compare optimized system ;0}8vs
!Re-execute Drawing {.7ve<K
VIE _#c^z;!
GO s^_E'j$
!Re-execute MTF H!dUQ
MTF Gmcx#?|Tx
MFR 68 q?C)5(
IFR 17 $q}}w||e~0
GO -C$Z%I7 0
!Re-execute Field (Distortion) Analysis |=.z0{A7H
FIE 9E{Bn#
GO Qi^MfHW
!Save Lens FILE > SAVE LENS AS... w;$@ </
SAV digcam20_opt