主要是看人家的操作步骤,想学命令的人请看，十分有用 hW 2.8f$
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) `l]j#qshTm
Display > View Lens (accept defaults, click OK, keep window open) <GIwRVCU
In LDM spreadsheet, select surfaces 1 to Image s&
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Choose Edit > Default Variables, then click in any cell to unselect the range GJQc!cqk
Right click in each cell and choose Vary for %3=J*wj>D
Thickness of surfaces 1, 4, 6 (#Mp 5C'X
Glass of surfaces 1, 4, 6 TEVI'%F
File > Save Lens ^toAw8A=@0
Using Quick Analysis tool bar, click… TKI$h c3|L
Quick Spot Diagram (note scale) 8{I"q [ GZ
Quick Ray Aberration Plot (note scale) $Ua56Y
Quick Field Plot (note scales and maximum distortion value) 3h=8"lRc
Analysis > Diffraction > MTF pyB~M9Bp/
Freq/Calc Tab: Maximum 68, Increment 17 Cmd329AH
Graphics tab: Max plot freq 68 46,j9x
Click OK (keep window open, tear off starting MTF graph for later comparison) KL3<Iz]
Optimization > Automatic Design "Pc$\zJm;
Output controls: Click Draw System button O!R"v '
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ')#,X^
Specific constraints: zg}YGu|J
Click Insert Specific Constraint F=wRkU
Default display is Optical Definitions, Effective Focal Length (correct choice) e<=;i" |
Enter 8.25 for Constraint Target <,8l *1C
Click OK. >Hwc,j
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File > Save Lens As (new name, digcam20_opt.len) \8b6\qF/\
Re-run View Lens window to see new lens picture. lAA SV{s{
Re-run each of the Quick Analysis windows and note scales. 'jaoO9KY
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Re-run the MTF window, compare to tear-off of starting point 0Xl%uF+w
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以下直接复制到命令行即可出最终结果 /oP^'""@je
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! Command inputs for Workshop 2-2 (for reference) ;!u;!F!i
!Restore 20 Degree Digital Camera Lens Setup y!Cc?$]_Y
!FILE > OPEN ~!:0iFE&H
RES digcam20_start.len `rFAZcEj%
!Vary all radii curvature by right clicking in LDM and selecting VARY hU {-a`
!HINT: for curvatures highlight all and select vary. Then go back and 8 %Sb+w07
!freeze stop surface radius. >)4YP*qIPb
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 +1`t}hO
!Vary all thicknesses by same method. Do not select surface with solve since vv5i? F
!varying this surface will delete solve. If mistake, use UNDO or go to Jh@_9/?
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve t9
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 'ZHdV,dd
THC S8 0 !Don't forget to vary the image distance which calculates best ST',4 Oph5
!best real-ray focus from paraxial image plane ] |Z b\{
!Vary glass by highlighting, right clicking, and selecting Vary "^r Nr_
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 H5xzD9K;/C
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 3#GqmhqKDk
AUT sa#.l% #
EFL Z1 = 8.25 !Effective Focal Length Constraint *e4TSqC|
MNT 0.8 !Minimum Center Thickness General Constraint NoDZ5Z
MNE 0.5 !Minimum Edge Thickness General Constraint a W;aA'!
DRA S1..I YES !Draw a picture of lens system at each cycle E_:QS y5G
GO f`P9ku#j}
!Reanalyze the system. Make sure to "Tear Off" original analysis before C7qYiSv
!re-executing to compare optimized system YD_]!HK}
!Re-execute Drawing /L~m#HxWU
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GO :)c80`-E
!Re-execute MTF Y7Gs7
MTF cf;H t^M\
MFR 68 Y E1Hpeb
IFR 17 Z85|I.mr
GO q)I|2~Q c^
!Re-execute Field (Distortion) Analysis eBcJm
FIE w]!0<
GO ~"dhu]^
!Save Lens FILE > SAVE LENS AS... #g v4
SAV digcam20_opt
