主要是看人家的操作步骤,想学命令的人请看，十分有用 =XQGg`8<LB
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len)
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Display > View Lens (accept defaults, click OK, keep window open) #akJhy@m$
In LDM spreadsheet, select surfaces 1 to Image G.O;[(3ab
Choose Edit > Default Variables, then click in any cell to unselect the range [?N ,3
Right click in each cell and choose Vary for .Bkfe{^
Thickness of surfaces 1, 4, 6 ZFMO;'m&
Glass of surfaces 1, 4, 6 j7E;\AZ^
File > Save Lens 1d+Kn Jy
Using Quick Analysis tool bar, click… F^{31iU~CX
Quick Spot Diagram (note scale) b0' } BMJ
Quick Ray Aberration Plot (note scale) >k\p%{P
Quick Field Plot (note scales and maximum distortion value) 5D<Zbn.>q
Analysis > Diffraction > MTF #xx.yn(7
Freq/Calc Tab: Maximum 68, Increment 17 ~m<K5K6 V
Graphics tab: Max plot freq 68 G0h&0e{w
Click OK (keep window open, tear off starting MTF graph for later comparison) *PlKl_nP6
Optimization > Automatic Design 8Ckd.HKpQ
Output controls: Click Draw System button e}5x6t
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) %`pi*/(
Specific constraints: u= dj3q
Click Insert Specific Constraint W2- l_{
Default display is Optical Definitions, Effective Focal Length (correct choice) *>?N>f"
Enter 8.25 for Constraint Target PdVY tK%
Click OK. pvl];w
File > Save Lens As (new name, digcam20_opt.len) !L;_f'\)6
Re-run View Lens window to see new lens picture. VTR 4uT-
Re-run each of the Quick Analysis windows and note scales. + R6X
Re-run the MTF window, compare to tear-off of starting point :I"2 2EH
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以下直接复制到命令行即可出最终结果 /Bgqf,N |
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! Command inputs for Workshop 2-2 (for reference) FT>>X P8
!Restore 20 Degree Digital Camera Lens Setup 3%r/w7Fc
!FILE > OPEN VWt=9D;
RES digcam20_start.len 61QA<W b
!Vary all radii curvature by right clicking in LDM and selecting VARY :Nf(:D8
!HINT: for curvatures highlight all and select vary. Then go back and 19[o XyFI
!freeze stop surface radius. %I`'it2d
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 zQO 1%g
!Vary all thicknesses by same method. Do not select surface with solve since fz VN;h
!varying this surface will delete solve. If mistake, use UNDO or go to 9 Bpb?
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve WF~x`w&\
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 kLF3s#k
THC S8 0 !Don't forget to vary the image distance which calculates best Pbbi*&i
!best real-ray focus from paraxial image plane J*K=tA
!Vary glass by highlighting, right clicking, and selecting Vary vv) O+xt
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ^GYVRD
!Optimize OPTIMIZATION > AUTOMATIC DESIGN f'"PQr^9
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EFL Z1 = 8.25 !Effective Focal Length Constraint "x]7 et,
MNT 0.8 !Minimum Center Thickness General Constraint 6yUThv.G #
MNE 0.5 !Minimum Edge Thickness General Constraint 8cvSA&l(D
DRA S1..I YES !Draw a picture of lens system at each cycle };} N1[D
GO Iw?f 1 ]
!Reanalyze the system. Make sure to "Tear Off" original analysis before T1RY1hb|g>
!re-executing to compare optimized system B E&8E\w
!Re-execute Drawing ^^
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GO 7s%1?$B
!Re-execute MTF Q ~ N q 5[
MTF ?HOnDw.v1
MFR 68
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IFR 17 3NZK$d=4
GO
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!Re-execute Field (Distortion) Analysis |;aZi?Ek[
FIE =B+dhZ+#S$
GO N0$
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!Save Lens FILE > SAVE LENS AS... =^ Ws/k
SAV digcam20_opt
