主要是看人家的操作步骤,想学命令的人请看，十分有用 oCxh[U@*D
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) pdw;SIoC
Display > View Lens (accept defaults, click OK, keep window open) o8 RVmOXe
In LDM spreadsheet, select surfaces 1 to Image uo TTHj7cq
Choose Edit > Default Variables, then click in any cell to unselect the range >;sz(F3)
Right click in each cell and choose Vary for C j4 ED
Thickness of surfaces 1, 4, 6 hZw bYvu
Glass of surfaces 1, 4, 6 \yE* nZ
File > Save Lens LBIsj}e
Using Quick Analysis tool bar, click… >)j`Q1Qc\
Quick Spot Diagram (note scale) srGF=1_
Quick Ray Aberration Plot (note scale) %ij,xN
Quick Field Plot (note scales and maximum distortion value) {W' 9k
Analysis > Diffraction > MTF i-YSt5iq
Freq/Calc Tab: Maximum 68, Increment 17 *[|a $W
Graphics tab: Max plot freq 68 , hVDGif
Click OK (keep window open, tear off starting MTF graph for later comparison) _O$7*k
Optimization > Automatic Design i)1013b
Output controls: Click Draw System button Zk+c9, q
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) |?gO@?KDZ
Specific constraints: k .#I ;7
Click Insert Specific Constraint oc>N| ww:
Default display is Optical Definitions, Effective Focal Length (correct choice) 6JB* br O
Enter 8.25 for Constraint Target r.ib"W#4
Click OK. '},
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File > Save Lens As (new name, digcam20_opt.len) ">M:6 \B
Re-run View Lens window to see new lens picture. F&_b[xso7
Re-run each of the Quick Analysis windows and note scales. n8 .Tag(#
Re-run the MTF window, compare to tear-off of starting point Gl6M(<f\5
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以下直接复制到命令行即可出最终结果 DedY(JOvB
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! Command inputs for Workshop 2-2 (for reference) ~7$jW[i
!Restore 20 Degree Digital Camera Lens Setup |44 E:pA
!FILE > OPEN 8#ZF<B Y
RES digcam20_start.len (`js/7[`H[
!Vary all radii curvature by right clicking in LDM and selecting VARY IJk<1T7:(W
!HINT: for curvatures highlight all and select vary. Then go back and
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!freeze stop surface radius. >9+h2B
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 vUR@P
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!Vary all thicknesses by same method. Do not select surface with solve since VUUE2k;^
!varying this surface will delete solve. If mistake, use UNDO or go to oU/{<gs
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve (7A- cC
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 7?p>v3 4A
THC S8 0 !Don't forget to vary the image distance which calculates best w!rw%
!best real-ray focus from paraxial image plane .L8g( F(=:
!Vary glass by highlighting, right clicking, and selecting Vary `9& ~fWu
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 FT
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!Optimize OPTIMIZATION > AUTOMATIC DESIGN =5q_aK#i
AUT %h VI*p3
EFL Z1 = 8.25 !Effective Focal Length Constraint ~F.kgX
MNT 0.8 !Minimum Center Thickness General Constraint .!)i
MNE 0.5 !Minimum Edge Thickness General Constraint X<<FS%:+
DRA S1..I YES !Draw a picture of lens system at each cycle zrL +:/t
GO eE5j6`5 i
!Reanalyze the system. Make sure to "Tear Off" original analysis before 560` R>
!re-executing to compare optimized system 'j$n;3
!Re-execute Drawing m9mkZ:r(kV
VIE VJSkQ\KD
GO zI$'D|A
!Re-execute MTF s-Qq#T
MTF %cl{J_}{&
MFR 68 vEc<|t
IFR 17 rAZ~R PrW
GO PB;j4
!Re-execute Field (Distortion) Analysis 'Gqo{wl
FIE H+5S )r
GO )S^[b2P]y_
!Save Lens FILE > SAVE LENS AS... "]}?{ 2i;
SAV digcam20_opt
