主要是看人家的操作步骤,想学命令的人请看，十分有用 `\u;K9S6
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) |J5 =J
Display > View Lens (accept defaults, click OK, keep window open) E6B!+s!]
In LDM spreadsheet, select surfaces 1 to Image F/c$v
Choose Edit > Default Variables, then click in any cell to unselect the range Y5q3T`x E
Right click in each cell and choose Vary for 0IkM
Thickness of surfaces 1, 4, 6 0C%W&;r0
Glass of surfaces 1, 4, 6 ef! XV7 P
File > Save Lens bvBHYf:^
Using Quick Analysis tool bar, click… KW^<,qt5w
Quick Spot Diagram (note scale) BP[|n L
Quick Ray Aberration Plot (note scale) revF;l6->C
Quick Field Plot (note scales and maximum distortion value) SO\/-]9#
Analysis > Diffraction > MTF 07 g':QU@
Freq/Calc Tab: Maximum 68, Increment 17 zvc ` 3
Graphics tab: Max plot freq 68 FyoEQ%.bI
Click OK (keep window open, tear off starting MTF graph for later comparison) qml2XJ>
Optimization > Automatic Design ![6EUMx
Output controls: Click Draw System button RkEN
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General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) p v!oz2w1
Specific constraints: ,|?CU
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Click Insert Specific Constraint t `'iU$:1f
Default display is Optical Definitions, Effective Focal Length (correct choice) 5+Mdh`
Enter 8.25 for Constraint Target fU3`v\X
Click OK. lq:}0 <k
File > Save Lens As (new name, digcam20_opt.len) V&]DzjT/
Re-run View Lens window to see new lens picture. ikB Yd
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Re-run each of the Quick Analysis windows and note scales. =SOe}!
Re-run the MTF window, compare to tear-off of starting point _?vo U
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以下直接复制到命令行即可出最终结果 uQ b!= ]
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! Command inputs for Workshop 2-2 (for reference) o KD/rI
!Restore 20 Degree Digital Camera Lens Setup $h[Q Q-
!FILE > OPEN r`S< A;
RES digcam20_start.len xda;
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!Vary all radii curvature by right clicking in LDM and selecting VARY g.JN_t5
!HINT: for curvatures highlight all and select vary. Then go back and gd/H``x|Y
!freeze stop surface radius. ,tH5e&=U01
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 /Ss7"*JLe
!Vary all thicknesses by same method. Do not select surface with solve since `IpA.| Y
!varying this surface will delete solve. If mistake, use UNDO or go to `i
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!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve hG ~reVNf
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 |wE3UWsy
THC S8 0 !Don't forget to vary the image distance which calculates best -m=
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!best real-ray focus from paraxial image plane sd#|3
!Vary glass by highlighting, right clicking, and selecting Vary _/* U2.xS
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 3l<S}k@M)
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Z BUArIC
AUT $/1c= Y@
EFL Z1 = 8.25 !Effective Focal Length Constraint U_l'3oPJw
MNT 0.8 !Minimum Center Thickness General Constraint ;!<
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MNE 0.5 !Minimum Edge Thickness General Constraint i JxQB\x
DRA S1..I YES !Draw a picture of lens system at each cycle 6 &Juv
GO Q^K "8 ;
!Reanalyze the system. Make sure to "Tear Off" original analysis before g @I6$Z
!re-executing to compare optimized system U!%! m'
!Re-execute Drawing V ( MFna)
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GO :HxA`@Ok
!Re-execute MTF D0(xNhmKz
MTF I
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MFR 68 vKwQXR~C
IFR 17 p R dk>Ph
GO ./j, Z$|
!Re-execute Field (Distortion) Analysis p,pR!qC>
FIE *=ZsqOHwG
GO Hd7,ZHj3 ^
!Save Lens FILE > SAVE LENS AS... (KZHX 5T=
SAV digcam20_opt
