主要是看人家的操作步骤,想学命令的人请看，十分有用 PQI,vr'R
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) TH}yc ue
Display > View Lens (accept defaults, click OK, keep window open) 'C? f"P:X{
In LDM spreadsheet, select surfaces 1 to Image QbKYB
Choose Edit > Default Variables, then click in any cell to unselect the range X52jqXjg
Right click in each cell and choose Vary for ,Vn]Ft?n
Thickness of surfaces 1, 4, 6 ,/?V+3l
Glass of surfaces 1, 4, 6 .g`*cDW^=
File > Save Lens YQ`#C #Wb
Using Quick Analysis tool bar, click… n^(yW
Quick Spot Diagram (note scale) _q 9lr8hx
Quick Ray Aberration Plot (note scale) )p_LkX(
Quick Field Plot (note scales and maximum distortion value) D/6@bcCSY
Analysis > Diffraction > MTF y Q @=\'
Freq/Calc Tab: Maximum 68, Increment 17 <TROs! x$a
Graphics tab: Max plot freq 68 }Knq9cf
Click OK (keep window open, tear off starting MTF graph for later comparison) *UxB`iA
Optimization > Automatic Design GB0b|9(6D"
Output controls: Click Draw System button ImY*cW=M
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) )BTs *7 j
Specific constraints: <T% hfW
Click Insert Specific Constraint nv[Sb %/
Default display is Optical Definitions, Effective Focal Length (correct choice) /!uBk3x:
Enter 8.25 for Constraint Target I;4CvoT
Click OK. 9}Ave:X^
File > Save Lens As (new name, digcam20_opt.len) *R6eykp
Re-run View Lens window to see new lens picture. S<9d^= a
Re-run each of the Quick Analysis windows and note scales. $ u.T1v
Re-run the MTF window, compare to tear-off of starting point :
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以下直接复制到命令行即可出最终结果 m%(JRh
---------------------------------------------------------------------------------------------- nMvIL2:3
! Command inputs for Workshop 2-2 (for reference) \ ozy_s[
!Restore 20 Degree Digital Camera Lens Setup p 00Bgo
!FILE > OPEN 67 :<X(u+!
RES digcam20_start.len Id
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!Vary all radii curvature by right clicking in LDM and selecting VARY Br^b%12ZRS
!HINT: for curvatures highlight all and select vary. Then go back and *TI6Z$b|6
!freeze stop surface radius. TUn@b11
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 qtwmTT)
!Vary all thicknesses by same method. Do not select surface with solve since R[ -:-8
!varying this surface will delete solve. If mistake, use UNDO or go to &rWJg6/
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve eQIi}\ `
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Kqu7DZ+W
THC S8 0 !Don't forget to vary the image distance which calculates best 0A 4|
!best real-ray focus from paraxial image plane 9)hC,)5
!Vary glass by highlighting, right clicking, and selecting Vary Ntrn("!
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 jCv+m7Z
!Optimize OPTIMIZATION > AUTOMATIC DESIGN H#` ?t oS
AUT J+|V[E<x
EFL Z1 = 8.25 !Effective Focal Length Constraint Ym2m1
MNT 0.8 !Minimum Center Thickness General Constraint iDxg AV f*
MNE 0.5 !Minimum Edge Thickness General Constraint OHvzK8
DRA S1..I YES !Draw a picture of lens system at each cycle & .4a
GO li
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!Reanalyze the system. Make sure to "Tear Off" original analysis before `8bp6} OD,
!re-executing to compare optimized system vt=S0X^$yc
!Re-execute Drawing Wf w9cxGkf
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GO oh~Dbu=%
!Re-execute MTF
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MTF }}2hI`
MFR 68 41D[[Gh
IFR 17 )U`kU`+'
GO NU*6iLIq|F
!Re-execute Field (Distortion) Analysis (_<n 0
FIE 4rdrl
GO -e\kIK
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!Save Lens FILE > SAVE LENS AS... z<=t3dj
SAV digcam20_opt
