主要是看人家的操作步骤,想学命令的人请看，十分有用 5VoOJ_hq
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) g4 .'T51
Display > View Lens (accept defaults, click OK, keep window open) .:|#9%5
In LDM spreadsheet, select surfaces 1 to Image ctwhfS|Y0
Choose Edit > Default Variables, then click in any cell to unselect the range 7 ~ %
Right click in each cell and choose Vary for 47(1V/ r
Thickness of surfaces 1, 4, 6 2F*Dkv
Glass of surfaces 1, 4, 6 ZmR[5 mv@
File > Save Lens rSc,\upz
Using Quick Analysis tool bar, click… toYg$IV
Quick Spot Diagram (note scale) /4wm}g9
Quick Ray Aberration Plot (note scale) mBD!:V'
Quick Field Plot (note scales and maximum distortion value) )N%1%bg^-
Analysis > Diffraction > MTF tnKpn-LPA
Freq/Calc Tab: Maximum 68, Increment 17 l/y
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Graphics tab: Max plot freq 68 J?qcRg`1E
Click OK (keep window open, tear off starting MTF graph for later comparison) C[87f-g
Optimization > Automatic Design TGt1d
Output controls: Click Draw System button c?V*X -
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) C&d"#I
Specific constraints: ^V0{Ew /x
Click Insert Specific Constraint e{rHO,#A>
Default display is Optical Definitions, Effective Focal Length (correct choice) 4Q` =t &u
Enter 8.25 for Constraint Target q!9 v}R3(
Click OK. \4`saM /x
File > Save Lens As (new name, digcam20_opt.len) &d|VH y+
Re-run View Lens window to see new lens picture. )T$f k
Re-run each of the Quick Analysis windows and note scales. {TxVRpiP{Z
Re-run the MTF window, compare to tear-off of starting point =J[[>H'<d
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以下直接复制到命令行即可出最终结果 tr9_bl&z
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! Command inputs for Workshop 2-2 (for reference) -XD P- Trk
!Restore 20 Degree Digital Camera Lens Setup * F%ol;|Q
!FILE > OPEN <>5:u
RES digcam20_start.len T0]%(F/8
!Vary all radii curvature by right clicking in LDM and selecting VARY ]`i@~Z h\
!HINT: for curvatures highlight all and select vary. Then go back and pb 2{J#
!freeze stop surface radius. }T1Xds8w)t
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ]9yA0,z/
!Vary all thicknesses by same method. Do not select surface with solve since YK=#$,6
!varying this surface will delete solve. If mistake, use UNDO or go to <DlanczziF
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve L_zmU_zD
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Zy+QA>d|
THC S8 0 !Don't forget to vary the image distance which calculates best i&s=!`
!best real-ray focus from paraxial image plane 2I(@aB+
!Vary glass by highlighting, right clicking, and selecting Vary #3:'lGBIK
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 J^+$L"K
!Optimize OPTIMIZATION > AUTOMATIC DESIGN S1^Mw;?P
AUT :+dWJNY:
EFL Z1 = 8.25 !Effective Focal Length Constraint *a0I Z
MNT 0.8 !Minimum Center Thickness General Constraint 5z(>4 d!
MNE 0.5 !Minimum Edge Thickness General Constraint 1n5e^'z
DRA S1..I YES !Draw a picture of lens system at each cycle h
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GO (+Nmio
!Reanalyze the system. Make sure to "Tear Off" original analysis before ;x0 K aFk
!re-executing to compare optimized system aXid ;v,
!Re-execute Drawing 4[V6so 0
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GO t;f
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!Re-execute MTF *,*:6^t
MTF \g6 # MNW
MFR 68 n)?F
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IFR 17 &#b>AAx$2Y
GO @Q1F#IU
!Re-execute Field (Distortion) Analysis \#oV<MR
FIE JU2' ~chh
GO K| J#/
!Save Lens FILE > SAVE LENS AS... nF[eb{GR`
SAV digcam20_opt
