主要是看人家的操作步骤,想学命令的人请看，十分有用 n U+pnkMj
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 6tDg3`w>
Display > View Lens (accept defaults, click OK, keep window open) 9;}L{yve
In LDM spreadsheet, select surfaces 1 to Image ]t8 {)r
Choose Edit > Default Variables, then click in any cell to unselect the range ee4KMS
Right click in each cell and choose Vary for @2)t#~Wc4h
Thickness of surfaces 1, 4, 6 _Ac/i r[,:
Glass of surfaces 1, 4, 6 ubiQ8Bx
File > Save Lens
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Using Quick Analysis tool bar, click…
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Quick Spot Diagram (note scale) /F\>Z]
Quick Ray Aberration Plot (note scale) $`-SVC
Quick Field Plot (note scales and maximum distortion value) ]Om'naD
Analysis > Diffraction > MTF GLbc/qs
Freq/Calc Tab: Maximum 68, Increment 17 L{+&z7M
Graphics tab: Max plot freq 68 N`
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Click OK (keep window open, tear off starting MTF graph for later comparison) 3t J=d'U
Optimization > Automatic Design Tw`F?i~
Output controls: Click Draw System button P2A]qX
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) FY_av W
Specific constraints: &;S wLDF"1
Click Insert Specific Constraint n23 %[#,r
Default display is Optical Definitions, Effective Focal Length (correct choice) }Rf}NWU)|
Enter 8.25 for Constraint Target 5i}CzA96
Click OK. _stI?fz*4k
File > Save Lens As (new name, digcam20_opt.len) w ! =_
Re-run View Lens window to see new lens picture. 0:7v/S!:
Re-run each of the Quick Analysis windows and note scales. +xo yKP!
Re-run the MTF window, compare to tear-off of starting point pe`TH::p
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以下直接复制到命令行即可出最终结果 dXf]G6
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! Command inputs for Workshop 2-2 (for reference) B;Q`v KY
!Restore 20 Degree Digital Camera Lens Setup = !I8vQ>
!FILE > OPEN (1saof *p%
RES digcam20_start.len
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!Vary all radii curvature by right clicking in LDM and selecting VARY r_!{!i3B
!HINT: for curvatures highlight all and select vary. Then go back and MbT
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!freeze stop surface radius. KNO*)\
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 +R{A'Yl[(
!Vary all thicknesses by same method. Do not select surface with solve since :V5!C$QV
!varying this surface will delete solve. If mistake, use UNDO or go to tS _xa
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve d=x I
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 b n<I#ZH2
THC S8 0 !Don't forget to vary the image distance which calculates best )sqp7["-
!best real-ray focus from paraxial image plane @M1yBN
!Vary glass by highlighting, right clicking, and selecting Vary !.tL"U~4
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 :JTRRv
!Optimize OPTIMIZATION > AUTOMATIC DESIGN pUCEYR
AUT vk NZ -`+I
EFL Z1 = 8.25 !Effective Focal Length Constraint ;:8jxkx6%
MNT 0.8 !Minimum Center Thickness General Constraint eE#81]'6a
MNE 0.5 !Minimum Edge Thickness General Constraint 7>W+ Uq
DRA S1..I YES !Draw a picture of lens system at each cycle O|^6UH
GO )Bm^aMVl3
!Reanalyze the system. Make sure to "Tear Off" original analysis before vMW -gk
!re-executing to compare optimized system z$8e6 *
!Re-execute Drawing }R(0[0NQe-
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GO >ji}j~cH
!Re-execute MTF |2+F I<v4
MTF y<'2BTf
MFR 68 6a 2w-}Fs
IFR 17 ]/<Qn-BbU
GO gs`27Gih
!Re-execute Field (Distortion) Analysis 3LmBV\["
FIE (Ay4B*|!
GO >gS5[`xRE
!Save Lens FILE > SAVE LENS AS... ]VHdE _7)
SAV digcam20_opt
