主要是看人家的操作步骤,想学命令的人请看，十分有用 >)8 <d3 m
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) +BgUnu26
Display > View Lens (accept defaults, click OK, keep window open) yGE)E BH
In LDM spreadsheet, select surfaces 1 to Image V1
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Choose Edit > Default Variables, then click in any cell to unselect the range |TRl >1rv
Right click in each cell and choose Vary for flS_rY5
Thickness of surfaces 1, 4, 6 KF}_|~~T
Glass of surfaces 1, 4, 6 JX qwy^f
File > Save Lens 3bZ:*6W.6
Using Quick Analysis tool bar, click… is6d :p
Quick Spot Diagram (note scale) 3}x6IM 2
Quick Ray Aberration Plot (note scale) rPkPQn:
Quick Field Plot (note scales and maximum distortion value) x%OJ3Qjj=
Analysis > Diffraction > MTF Wf>=^ ~`
Freq/Calc Tab: Maximum 68, Increment 17 Bs';!,=
Graphics tab: Max plot freq 68 @i=_y+|d_
Click OK (keep window open, tear off starting MTF graph for later comparison) Q 'c[ yu
Optimization > Automatic Design 7~2V5 @{<
Output controls: Click Draw System button =0mXTY1
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) `V=F>s$W
Specific constraints: Oz4yUR
Click Insert Specific Constraint WlRaD%Q
Default display is Optical Definitions, Effective Focal Length (correct choice) mJa8;X!r6
Enter 8.25 for Constraint Target ]Ag{#GJ5D
Click OK. s,]z6L0
File > Save Lens As (new name, digcam20_opt.len) ;`rz ]7,*
Re-run View Lens window to see new lens picture. o{xA{ @<
Re-run each of the Quick Analysis windows and note scales. uV\~2#o$_
Re-run the MTF window, compare to tear-off of starting point b_GAK
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以下直接复制到命令行即可出最终结果 * @[N~:z/
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! Command inputs for Workshop 2-2 (for reference) L^{wxOf&6E
!Restore 20 Degree Digital Camera Lens Setup % QI6`@Y"
!FILE > OPEN #b+>O+v x8
RES digcam20_start.len W kSv@Y,
!Vary all radii curvature by right clicking in LDM and selecting VARY R\:t
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!HINT: for curvatures highlight all and select vary. Then go back and ge!Asm K
!freeze stop surface radius. Fu"@)xw/-q
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 `fUP q
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!Vary all thicknesses by same method. Do not select surface with solve since 8e}8@[h
!varying this surface will delete solve. If mistake, use UNDO or go to :B1a2Y^"
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve q a}=p
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 g33Y]\
THC S8 0 !Don't forget to vary the image distance which calculates best Qm2(Z8Gh
!best real-ray focus from paraxial image plane xT;j_'9U;
!Vary glass by highlighting, right clicking, and selecting Vary _VI3b$
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 THHA~;00YN
!Optimize OPTIMIZATION > AUTOMATIC DESIGN T(iL#2^
AUT D0 @d }N
EFL Z1 = 8.25 !Effective Focal Length Constraint B6" pw0
MNT 0.8 !Minimum Center Thickness General Constraint "MU) 8$d
MNE 0.5 !Minimum Edge Thickness General Constraint sZYTpZgW4L
DRA S1..I YES !Draw a picture of lens system at each cycle :IX_}|
GO H <ugc
!Reanalyze the system. Make sure to "Tear Off" original analysis before xD4G(]d!
!re-executing to compare optimized system m `H9^w%W
!Re-execute Drawing HQtUN tZ
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GO %LBT:Aw
!Re-execute MTF ? &se]\
MTF >TddKR @C
MFR 68 [nG[@)G~0M
IFR 17 62{[)jt{
GO W!4xE
!Re-execute Field (Distortion) Analysis ;P2(C >|
FIE q<!Kt I4
GO &{(8EvuDd
!Save Lens FILE > SAVE LENS AS... u(P;) E"1
SAV digcam20_opt
