主要是看人家的操作步骤,想学命令的人请看，十分有用 Nkb%4ofKqu
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) W\<OCD%X
Display > View Lens (accept defaults, click OK, keep window open) WuVsW3@
In LDM spreadsheet, select surfaces 1 to Image hlyh8=Z6o
Choose Edit > Default Variables, then click in any cell to unselect the range GX19GI@k
Right click in each cell and choose Vary for 3 a(SmM:
Thickness of surfaces 1, 4, 6 t# M[w|5?
Glass of surfaces 1, 4, 6 MV<)qa T
File > Save Lens |qpm
Using Quick Analysis tool bar, click… EO'+r[Y
Quick Spot Diagram (note scale) 2O(k@M5E?
Quick Ray Aberration Plot (note scale) TS=%iMa
Quick Field Plot (note scales and maximum distortion value) gz' {l[
Analysis > Diffraction > MTF \l( }8;5}
Freq/Calc Tab: Maximum 68, Increment 17 si%V63 ^lN
Graphics tab: Max plot freq 68 . ))k
Click OK (keep window open, tear off starting MTF graph for later comparison) Fc=F2M o?
Optimization > Automatic Design =WCE "X
Output controls: Click Draw System button LU*mR{B
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) $m>( kd1
Specific constraints: 7 HL
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Click Insert Specific Constraint ^38k xwh
Default display is Optical Definitions, Effective Focal Length (correct choice) cJT_Qfxx
Enter 8.25 for Constraint Target 8fvKVS
Click OK. r_ 9"^Er
File > Save Lens As (new name, digcam20_opt.len) !b K;/)
Re-run View Lens window to see new lens picture. ; mV>k_AG
Re-run each of the Quick Analysis windows and note scales. z 4. |N
Re-run the MTF window, compare to tear-off of starting point qYqd -R
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以下直接复制到命令行即可出最终结果 -[=@' N P
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! Command inputs for Workshop 2-2 (for reference) t(,2 x%{
!Restore 20 Degree Digital Camera Lens Setup L(y~
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!FILE > OPEN K:4 G(?w
RES digcam20_start.len 2DZ&g\|
!Vary all radii curvature by right clicking in LDM and selecting VARY :'H}b*VWx
!HINT: for curvatures highlight all and select vary. Then go back and 7}=MVp] )S
!freeze stop surface radius. * JW.ca}
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 D_f :D^
!Vary all thicknesses by same method. Do not select surface with solve since 6(Cjak+~!
!varying this surface will delete solve. If mistake, use UNDO or go to M;-FW5O't
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve }&ew}'*9)
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 VF -[ O
THC S8 0 !Don't forget to vary the image distance which calculates best R8% u9 o
!best real-ray focus from paraxial image plane 3wgZDF38
!Vary glass by highlighting, right clicking, and selecting Vary ^SUo-N''
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 odeO(zuU
!Optimize OPTIMIZATION > AUTOMATIC DESIGN u7wZPI C{_
AUT {=^< yK2q
EFL Z1 = 8.25 !Effective Focal Length Constraint CZv^,O(M?2
MNT 0.8 !Minimum Center Thickness General Constraint 2JHF*zvO-
MNE 0.5 !Minimum Edge Thickness General Constraint TTxSl p2=;
DRA S1..I YES !Draw a picture of lens system at each cycle kvN6K6
GO ]_ y;Igaj
!Reanalyze the system. Make sure to "Tear Off" original analysis before Q!fk|D+j
!re-executing to compare optimized system )/v`k>E
!Re-execute Drawing d D^?%,a
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GO e $5s],,n
!Re-execute MTF xUs1-O1i
MTF KC\W6|NtGj
MFR 68 ~r]$(V n
IFR 17 1N8YD .3
GO . w~L0(
!Re-execute Field (Distortion) Analysis vns Mh
FIE zy9W{{:P(1
GO .O4=[wE!U
!Save Lens FILE > SAVE LENS AS... Ac,bf 8C
SAV digcam20_opt
