主要是看人家的操作步骤,想学命令的人请看,十分有用 GtHivC
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) QsW/X0YBv
Display > View Lens (accept defaults, click OK, keep window open) D m9sL!
In LDM spreadsheet, select surfaces 1 to Image !`r$"}g
Choose Edit > Default Variables, then click in any cell to unselect the range GN>@ZdVG}#
Right click in each cell and choose Vary for ,fRq5"?
Thickness of surfaces 1, 4, 6 &e3.:[~_?
Glass of surfaces 1, 4, 6 _VXN#@y
File > Save Lens dF2RH)Ud
Using Quick Analysis tool bar, click… tl>7^hH
Quick Spot Diagram (note scale) WY]s |2a
Quick Ray Aberration Plot (note scale) C9;kpqNG#u
Quick Field Plot (note scales and maximum distortion value) %jM,W}2
Analysis > Diffraction > MTF K<J9~
Freq/Calc Tab: Maximum 68, Increment 17 S]{oPc[7
Graphics tab: Max plot freq 68 @o.I ;}*N
Click OK (keep window open, tear off starting MTF graph for later comparison) L:x-%m%w
Optimization > Automatic Design 3gf1ownC
Output controls: Click Draw System button zW nR6*\
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) BJ0?kX@
Specific constraints: IRbfNq^:
Click Insert Specific Constraint ,z?':TZ
Default display is Optical Definitions, Effective Focal Length (correct choice) bPMhfK2 %
Enter 8.25 for Constraint Target hv+zGID7
Click OK. -F>jIgeC2v
File > Save Lens As (new name, digcam20_opt.len) !!y a
Re-run View Lens window to see new lens picture. =R\]=cRbg
Re-run each of the Quick Analysis windows and note scales. DTs;{c
Re-run the MTF window, compare to tear-off of starting point eDB ;cN
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以下直接复制到命令行即可出最终结果 |cY`x(?yP
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! Command inputs for Workshop 2-2 (for reference) %>s|j'{
!Restore 20 Degree Digital Camera Lens Setup tg/H2p^Y
!FILE > OPEN ?fS9J
RES digcam20_start.len .p$(ZH =~
!Vary all radii curvature by right clicking in LDM and selecting VARY mVmGg,
!HINT: for curvatures highlight all and select vary. Then go back and cj@koA'
!freeze stop surface radius. H[|~/0?K
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 -Qe Z#w|
!Vary all thicknesses by same method. Do not select surface with solve since y?!"6t7&
!varying this surface will delete solve. If mistake, use UNDO or go to -^wl>}#*T3
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve BORA(,
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 z$Qbj
THC S8 0 !Don't forget to vary the image distance which calculates best YoE3<[KD(
!best real-ray focus from paraxial image plane ~;] d"'
!Vary glass by highlighting, right clicking, and selecting Vary @|)Z"m7
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 H:\k}*w
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Ct|A:/z(
AUT 5:Uso{
EFL Z1 = 8.25 !Effective Focal Length Constraint F<w/PMb
MNT 0.8 !Minimum Center Thickness General Constraint @lt#Nz
MNE 0.5 !Minimum Edge Thickness General Constraint 3mni>*q7d
DRA S1..I YES !Draw a picture of lens system at each cycle ::F|8
GO O1kl70,`R
!Reanalyze the system. Make sure to "Tear Off" original analysis before { "E\Jcjl\
!re-executing to compare optimized system )_NO4`ejs/
!Re-execute Drawing DeYV$W
B
VIE ,=N.FS
GO $wU\Js`/S]
!Re-execute MTF u-C)v*#L
MTF #D|p2L$
MFR 68 [8*)8jP3
IFR 17 a}uSm/S
GO l@:0e]8|o
!Re-execute Field (Distortion) Analysis [SW_C
FIE s9d_GhT%-
GO ?' je)F
!Save Lens FILE > SAVE LENS AS... b u"!jHPB
SAV digcam20_opt