主要是看人家的操作步骤,想学命令的人请看，十分有用 L N!W(n(
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) %TK&)Q% h5
Display > View Lens (accept defaults, click OK, keep window open) qvLDfN
In LDM spreadsheet, select surfaces 1 to Image 9|!j4DS<
Choose Edit > Default Variables, then click in any cell to unselect the range hE!7R M+Y
Right click in each cell and choose Vary for ?G/ hJ?3
Thickness of surfaces 1, 4, 6 E:VGji7s
Glass of surfaces 1, 4, 6 <Ns &b.\h6
File > Save Lens 9[|4[3K
Using Quick Analysis tool bar, click… G+Dpma ]
Quick Spot Diagram (note scale) ZxS &4>.
Quick Ray Aberration Plot (note scale) _JOP[KHb
Quick Field Plot (note scales and maximum distortion value) -W T3)On
Analysis > Diffraction > MTF \OHv|8!EI@
Freq/Calc Tab: Maximum 68, Increment 17 =2oUZjA
Graphics tab: Max plot freq 68 ~|)
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Click OK (keep window open, tear off starting MTF graph for later comparison) #Mi|IwL
Optimization > Automatic Design 4=p@2g2 "H
Output controls: Click Draw System button ]R Mb,hJ
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) wR7aQg
Specific constraints: ;1LG&h,K
Click Insert Specific Constraint "r-l8 r,
Default display is Optical Definitions, Effective Focal Length (correct choice) x9}++r
Enter 8.25 for Constraint Target [b5(XIGUN}
Click OK. w4:<fnOM
File > Save Lens As (new name, digcam20_opt.len) qB JRS'6'9
Re-run View Lens window to see new lens picture. E8tD)=1
Re-run each of the Quick Analysis windows and note scales. :k1$g+(lP
Re-run the MTF window, compare to tear-off of starting point )bYez
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以下直接复制到命令行即可出最终结果 z`'P>.x
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! Command inputs for Workshop 2-2 (for reference) 8!j=vCv
!Restore 20 Degree Digital Camera Lens Setup &N{zkMf
!FILE > OPEN D _aR\
RES digcam20_start.len Bz]J=g7
!Vary all radii curvature by right clicking in LDM and selecting VARY >0T3 '/k<H
!HINT: for curvatures highlight all and select vary. Then go back and om7`w
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!freeze stop surface radius. MYTS3(
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 U,3d) ]Zy&
!Vary all thicknesses by same method. Do not select surface with solve since sfC@*Y2XT
!varying this surface will delete solve. If mistake, use UNDO or go to d[U1.SN L
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ]hUKuef
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 {U
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THC S8 0 !Don't forget to vary the image distance which calculates best td/5Bmj
!best real-ray focus from paraxial image plane
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!Vary glass by highlighting, right clicking, and selecting Vary #wD7 \X-f
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 7xR|_+%~K
!Optimize OPTIMIZATION > AUTOMATIC DESIGN t>@yv#
AUT s bjtL,
EFL Z1 = 8.25 !Effective Focal Length Constraint ./)j 5M
MNT 0.8 !Minimum Center Thickness General Constraint TA9dkYlE/
MNE 0.5 !Minimum Edge Thickness General Constraint mdt
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DRA S1..I YES !Draw a picture of lens system at each cycle r1 hD
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GO 6)+9G_
!Reanalyze the system. Make sure to "Tear Off" original analysis before KF4see;;
!re-executing to compare optimized system [+7"{UvT
!Re-execute Drawing `^f}$ R|
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GO Rh yegD
!Re-execute MTF |3|wdzV
MTF \y,; Cfl<
MFR 68 &X7ttB"#h
IFR 17 S r[IoF)
GO o 5V`'[c
!Re-execute Field (Distortion) Analysis ^s.oZj
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GO : 3 PG f
!Save Lens FILE > SAVE LENS AS... 0c-QI r}m
SAV digcam20_opt
