主要是看人家的操作步骤,想学命令的人请看，十分有用 -Odk'{nW
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) *{/L7])gm
Display > View Lens (accept defaults, click OK, keep window open) ;t^8lC?>V
In LDM spreadsheet, select surfaces 1 to Image ^:c:~F6 J
Choose Edit > Default Variables, then click in any cell to unselect the range fJj trvNy)
Right click in each cell and choose Vary for bU(H2F v
Thickness of surfaces 1, 4, 6 zAr@vBfC%
Glass of surfaces 1, 4, 6 pONBF3H8
File > Save Lens m{~p(sQL
Using Quick Analysis tool bar, click… #<^ngoOj
Quick Spot Diagram (note scale) >Ei-Spy>Xl
Quick Ray Aberration Plot (note scale) =|@%5&.P
Quick Field Plot (note scales and maximum distortion value) W ix/Az
Analysis > Diffraction > MTF kO1.27D
Freq/Calc Tab: Maximum 68, Increment 17 ao@"j}c
Graphics tab: Max plot freq 68 &n5Lc`
Click OK (keep window open, tear off starting MTF graph for later comparison) CB7 6
Optimization > Automatic Design z j[/~ I
Output controls: Click Draw System button '[XtARtY`
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) !W^b:qjJ
Specific constraints: 5>o <! 0g
Click Insert Specific Constraint N*dO'ol
Default display is Optical Definitions, Effective Focal Length (correct choice) y 093-
Enter 8.25 for Constraint Target EPY64 {
Click OK. 8SG* 7[ T7
File > Save Lens As (new name, digcam20_opt.len) K
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Re-run View Lens window to see new lens picture. 3I rmDT
Re-run each of the Quick Analysis windows and note scales. d#?.G3YmK
Re-run the MTF window, compare to tear-off of starting point )^G&p [G
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以下直接复制到命令行即可出最终结果 L `fDc
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! Command inputs for Workshop 2-2 (for reference) OS
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!Restore 20 Degree Digital Camera Lens Setup 3EM=6\#q
!FILE > OPEN ";I|\ T
RES digcam20_start.len ~ 6: <OdQ
!Vary all radii curvature by right clicking in LDM and selecting VARY K):MT[ /"
!HINT: for curvatures highlight all and select vary. Then go back and e``X6=rcG
!freeze stop surface radius. f* +eu @
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 &=seI c>x@
!Vary all thicknesses by same method. Do not select surface with solve since c<'P t4LY
!varying this surface will delete solve. If mistake, use UNDO or go to -Qt>yzD3
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve q~3dbj
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 [&Kn&bdKW
THC S8 0 !Don't forget to vary the image distance which calculates best 7y4!K$c$
!best real-ray focus from paraxial image plane Rf &~7h'+
!Vary glass by highlighting, right clicking, and selecting Vary #$<7
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 F?+K~['i
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ,ZVC@ P,L
AUT {AJcYZV
EFL Z1 = 8.25 !Effective Focal Length Constraint pH?tr
MNT 0.8 !Minimum Center Thickness General Constraint Bf &,A COf
MNE 0.5 !Minimum Edge Thickness General Constraint }d,iA FG
DRA S1..I YES !Draw a picture of lens system at each cycle 2{<5?Op
GO Cst:5m0!
!Reanalyze the system. Make sure to "Tear Off" original analysis before Af zE0mBW
!re-executing to compare optimized system 2>E .Q@c
!Re-execute Drawing :r<uH6x|
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GO 5`$.GV
!Re-execute MTF rPK)= [MZ
MTF ^Fy{Q*p`(
MFR 68 kc0YWW Q-:
IFR 17 ;P` z
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GO $)L=MEdx
!Re-execute Field (Distortion) Analysis ZDmBuf
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GO ?m)3n0Uh
!Save Lens FILE > SAVE LENS AS... Q%.V\8#|V
SAV digcam20_opt
