主要是看人家的操作步骤,想学命令的人请看，十分有用 )"%J~:`h}
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) :wfN+g=
Display > View Lens (accept defaults, click OK, keep window open) OX [r\
In LDM spreadsheet, select surfaces 1 to Image U"Y/PBs,
Choose Edit > Default Variables, then click in any cell to unselect the range +9M";'\c
Right click in each cell and choose Vary for WA5. qw
Thickness of surfaces 1, 4, 6 g FXz:!A
Glass of surfaces 1, 4, 6 T*k}E
File > Save Lens 3b HB$n
Using Quick Analysis tool bar, click… %0vWyU:K9
Quick Spot Diagram (note scale) lInf,Q7 W
Quick Ray Aberration Plot (note scale) fIn^a 3TV
Quick Field Plot (note scales and maximum distortion value) :bkmm,%O
Analysis > Diffraction > MTF L#fK
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Freq/Calc Tab: Maximum 68, Increment 17 )GOio+{ H
Graphics tab: Max plot freq 68 -}RGz_LO/
Click OK (keep window open, tear off starting MTF graph for later comparison) 0iKAg
Optimization > Automatic Design \T?6TD Z]
Output controls: Click Draw System button QE721y
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ]$U A5/a
Specific constraints: M3eFG@,
Click Insert Specific Constraint {D8yqO A}
Default display is Optical Definitions, Effective Focal Length (correct choice) Dn`
Enter 8.25 for Constraint Target \/-4 j F:
Click OK. @0%[4
File > Save Lens As (new name, digcam20_opt.len) K1p. {
Re-run View Lens window to see new lens picture. z Ece>=C
Re-run each of the Quick Analysis windows and note scales. 4j zjr G
Re-run the MTF window, compare to tear-off of starting point s 0DT1s&
---------------------------------------------------------------------------------------------- QkYKm <b
以下直接复制到命令行即可出最终结果 &g]s@S|%
---------------------------------------------------------------------------------------------- 2"WP>>b80
! Command inputs for Workshop 2-2 (for reference) :es=T`("A8
!Restore 20 Degree Digital Camera Lens Setup nuw7pEW@?
!FILE > OPEN H;#C NB<e
RES digcam20_start.len g"\J iBb5
!Vary all radii curvature by right clicking in LDM and selecting VARY 0 qW"b`9R
!HINT: for curvatures highlight all and select vary. Then go back and FM|3'a-z
!freeze stop surface radius. >u]9(o7I
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 t+M'05-U2
!Vary all thicknesses by same method. Do not select surface with solve since 4~2 9,
!varying this surface will delete solve. If mistake, use UNDO or go to 3E}j*lo
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve f/"IC;<~t>
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Bq,MTzxD
THC S8 0 !Don't forget to vary the image distance which calculates best 0 c ]]
!best real-ray focus from paraxial image plane 0qm C Icg
!Vary glass by highlighting, right clicking, and selecting Vary w *X(bua@
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 U|aEyMU
!Optimize OPTIMIZATION > AUTOMATIC DESIGN _|#P~Ft
AUT VO /b&%
EFL Z1 = 8.25 !Effective Focal Length Constraint `/<f([ w
MNT 0.8 !Minimum Center Thickness General Constraint 8Nx fYA
MNE 0.5 !Minimum Edge Thickness General Constraint &PX!'%X68h
DRA S1..I YES !Draw a picture of lens system at each cycle RFq= `/>dG
GO ,l.+$G
!Reanalyze the system. Make sure to "Tear Off" original analysis before s.a @uR^
!re-executing to compare optimized system !e+Sa{X
!Re-execute Drawing 7^1K4%IPl
VIE n*TKzn4E
GO i8%Z(@_`
!Re-execute MTF cf y9wD
MTF Oq(FV[N7t
MFR 68 4L r,}t A
IFR 17 ZgmK~iJ
GO C~PP}|<~V
!Re-execute Field (Distortion) Analysis U
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FIE Ex6Kxd}8
GO 9f CU+ s
!Save Lens FILE > SAVE LENS AS... Z7 ++c<|p
SAV digcam20_opt
