主要是看人家的操作步骤,想学命令的人请看，十分有用 `R^g U]Z,
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) )^hbsMhO
Display > View Lens (accept defaults, click OK, keep window open) fk-RV>yr
In LDM spreadsheet, select surfaces 1 to Image JBZ@'8eqi]
Choose Edit > Default Variables, then click in any cell to unselect the range s eJ^s@H5l
Right click in each cell and choose Vary for m1A J{cs
Thickness of surfaces 1, 4, 6 I> $& -i
Glass of surfaces 1, 4, 6 aN3;`~{9
File > Save Lens HZZn ' u
Using Quick Analysis tool bar, click… owv[M6lbD
Quick Spot Diagram (note scale) B9S@(/"7
Quick Ray Aberration Plot (note scale) dPRra{
Quick Field Plot (note scales and maximum distortion value) R4d=S4 i
Analysis > Diffraction > MTF BZ^}J!Q'*
Freq/Calc Tab: Maximum 68, Increment 17 f|(M.U-
Graphics tab: Max plot freq 68 !;'=iNOYR
Click OK (keep window open, tear off starting MTF graph for later comparison) N'=gep0V@
Optimization > Automatic Design \|[;Z"4l
Output controls: Click Draw System button #g!.T g'
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 2Tppcj v
Specific constraints: |y!A&d=xYn
Click Insert Specific Constraint *VN6cSq
Default display is Optical Definitions, Effective Focal Length (correct choice) q@2siI~W
Enter 8.25 for Constraint Target \'j|BJ~L f
Click OK. 8q7b_Pq1U
File > Save Lens As (new name, digcam20_opt.len) <OPArht
Re-run View Lens window to see new lens picture. P PsE${!
Re-run each of the Quick Analysis windows and note scales. =Fl^` *n
Re-run the MTF window, compare to tear-off of starting point e96k{C`j0
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以下直接复制到命令行即可出最终结果 +"@ .8 m
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! Command inputs for Workshop 2-2 (for reference) FN73+-:n:j
!Restore 20 Degree Digital Camera Lens Setup Y<8vw
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!FILE > OPEN 0m ? )ROaJ
RES digcam20_start.len tLmTjX .6
!Vary all radii curvature by right clicking in LDM and selecting VARY zx7{U8*`<
!HINT: for curvatures highlight all and select vary. Then go back and m l$o5 &sN
!freeze stop surface radius. T[A 69O]v
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Rlirs-WQ
!Vary all thicknesses by same method. Do not select surface with solve since rVs J`+L
!varying this surface will delete solve. If mistake, use UNDO or go to >o,TZc\
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve GPkpXVm
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 0ZO2#>gh$
THC S8 0 !Don't forget to vary the image distance which calculates best Y
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!best real-ray focus from paraxial image plane u<&m]] *
!Vary glass by highlighting, right clicking, and selecting Vary DlNX 3
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ;bhT@aB1
!Optimize OPTIMIZATION > AUTOMATIC DESIGN W@!S%Y9
AUT ete.! *=
EFL Z1 = 8.25 !Effective Focal Length Constraint #3d(M
MNT 0.8 !Minimum Center Thickness General Constraint >&k-'`Nw
MNE 0.5 !Minimum Edge Thickness General Constraint pD]OT-8
DRA S1..I YES !Draw a picture of lens system at each cycle - Y;3I00(
GO
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!Reanalyze the system. Make sure to "Tear Off" original analysis before gPc =2
!re-executing to compare optimized system 7=, ; h
!Re-execute Drawing c[Zje7 @
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GO 2GStN74X r
!Re-execute MTF y* h<MQ
MTF WM P,\=6k0
MFR 68 <rS F*
IFR 17 RCLeA=/N@0
GO Xb, 3Dvf
!Re-execute Field (Distortion) Analysis pY$Q
FIE n{SJ_S#a.a
GO jlg(drTo
!Save Lens FILE > SAVE LENS AS... (_{y B[z>`
SAV digcam20_opt
