主要是看人家的操作步骤,想学命令的人请看，十分有用 jKu"Vi|j>
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) /$x6//0If
Display > View Lens (accept defaults, click OK, keep window open) DI!l.w5P_
In LDM spreadsheet, select surfaces 1 to Image H p" :r%)
Choose Edit > Default Variables, then click in any cell to unselect the range !NYc!gYD
Right click in each cell and choose Vary for 'gE_xn7j
Thickness of surfaces 1, 4, 6 aARm nV
Glass of surfaces 1, 4, 6 zUxF"g-W
File > Save Lens )5X7|*LP
Using Quick Analysis tool bar, click… ?
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Quick Spot Diagram (note scale) ^fb4g+ Au
Quick Ray Aberration Plot (note scale) }qXi;u))
Quick Field Plot (note scales and maximum distortion value) PHD$E s
Analysis > Diffraction > MTF F:M3^I
Freq/Calc Tab: Maximum 68, Increment 17 H1=R(+-s
Graphics tab: Max plot freq 68 (85F1"Jp
Click OK (keep window open, tear off starting MTF graph for later comparison) R m *"SG
Optimization > Automatic Design +;z4.C{gM
Output controls: Click Draw System button QkzPzbF"
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 82V xk
Specific constraints: 8c3 X9;a
Click Insert Specific Constraint zYj 8\iER
Default display is Optical Definitions, Effective Focal Length (correct choice) P*(lc:
Enter 8.25 for Constraint Target M>_S%V4a
Click OK.
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File > Save Lens As (new name, digcam20_opt.len) nS'0i&<{1
Re-run View Lens window to see new lens picture. -i @!{ ?
Re-run each of the Quick Analysis windows and note scales. '&T4ryq3"
Re-run the MTF window, compare to tear-off of starting point ,)Z^b$H]
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以下直接复制到命令行即可出最终结果 }
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! Command inputs for Workshop 2-2 (for reference) TiF$',WMv
!Restore 20 Degree Digital Camera Lens Setup "v~w#\pz7
!FILE > OPEN v?h#Ym3e<
RES digcam20_start.len fwxyZBr
!Vary all radii curvature by right clicking in LDM and selecting VARY R_ 4600
!HINT: for curvatures highlight all and select vary. Then go back and #\4u u
!freeze stop surface radius. o~^hsm[44J
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ]Wv\$JXI
!Vary all thicknesses by same method. Do not select surface with solve since FQ(=Fnqn
!varying this surface will delete solve. If mistake, use UNDO or go to Nc]oA Y
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 7,jh44(\=
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 (g ~&$&pa
THC S8 0 !Don't forget to vary the image distance which calculates best tp*AA@~
!best real-ray focus from paraxial image plane
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!Vary glass by highlighting, right clicking, and selecting Vary ;Cyt2]F
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 S] {K^Q),
!Optimize OPTIMIZATION > AUTOMATIC DESIGN eVbHPu4
AUT NY1olnI
EFL Z1 = 8.25 !Effective Focal Length Constraint WZ ~rsSZSV
MNT 0.8 !Minimum Center Thickness General Constraint &sWq SS
MNE 0.5 !Minimum Edge Thickness General Constraint "PJ@Q9n__
DRA S1..I YES !Draw a picture of lens system at each cycle Ty# L%k}-t
GO le|e 4f*+
!Reanalyze the system. Make sure to "Tear Off" original analysis before RpS 'Tz}
!re-executing to compare optimized system }e9:2
!Re-execute Drawing O-bC+vB]M
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GO &Cdk%@Tj]B
!Re-execute MTF ]eP&r?B
MTF S4`u NB#Ht
MFR 68 ,n ~H]66 n
IFR 17 7kt f =Y
GO `Nu3s<O7CF
!Re-execute Field (Distortion) Analysis ,uE WnZ"4
FIE }3^t,>I=,6
GO aLuxCobV
!Save Lens FILE > SAVE LENS AS... Cq/*/jBM
SAV digcam20_opt
