主要是看人家的操作步骤,想学命令的人请看，十分有用 PeX^aEc
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 8 t)?$j$
Display > View Lens (accept defaults, click OK, keep window open) F3?PlH:Y
In LDM spreadsheet, select surfaces 1 to Image H@'f=Y* D
Choose Edit > Default Variables, then click in any cell to unselect the range eT'Z;ZO
Right click in each cell and choose Vary for TQ,KPf$0U
Thickness of surfaces 1, 4, 6 FxFRrRRH@
Glass of surfaces 1, 4, 6 j; MQ_?"iN
File > Save Lens 8 v ZY+Q >
Using Quick Analysis tool bar, click… yrF"`/zv6|
Quick Spot Diagram (note scale) nI
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Quick Ray Aberration Plot (note scale) R<)^--n
Quick Field Plot (note scales and maximum distortion value) +%~/~1
Analysis > Diffraction > MTF tKX +eA]
Freq/Calc Tab: Maximum 68, Increment 17 W >o>Y$H
Graphics tab: Max plot freq 68 }e K.\_t=
Click OK (keep window open, tear off starting MTF graph for later comparison) rqi/nW
Optimization > Automatic Design /Xm4%~b_gj
Output controls: Click Draw System button |>~pA}
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) m<e_Z~ ^G
Specific constraints: %K[u
Click Insert Specific Constraint c-y`Hm2"
Default display is Optical Definitions, Effective Focal Length (correct choice) >Y6iLQ$X
Enter 8.25 for Constraint Target ?r'2GR2Sk4
Click OK. #]kO /Mr
File > Save Lens As (new name, digcam20_opt.len) _/5#A+ ?
Re-run View Lens window to see new lens picture. s L=}d[
Re-run each of the Quick Analysis windows and note scales. ^2a 63_
Re-run the MTF window, compare to tear-off of starting point :Ldx^UO
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以下直接复制到命令行即可出最终结果 IZs NMY
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! Command inputs for Workshop 2-2 (for reference) : V!F ~
!Restore 20 Degree Digital Camera Lens Setup NiSH$ MJ_
!FILE > OPEN UbEK2&q/8
RES digcam20_start.len ms{iQ:'9
!Vary all radii curvature by right clicking in LDM and selecting VARY *hIjVKTu79
!HINT: for curvatures highlight all and select vary. Then go back and skP'- ^F~
!freeze stop surface radius. b[rVr
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CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 C0}@0c
!Vary all thicknesses by same method. Do not select surface with solve since H7{I[>:
!varying this surface will delete solve. If mistake, use UNDO or go to gLK _b;:
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve IwVdx^9
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 mlO\wn-F
THC S8 0 !Don't forget to vary the image distance which calculates best b V&"jjEx
!best real-ray focus from paraxial image plane sXwa`_{
!Vary glass by highlighting, right clicking, and selecting Vary ]S 3l' "
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 =$ -+~
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Q;?rqi
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AUT "O/
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EFL Z1 = 8.25 !Effective Focal Length Constraint yi;pn Z
MNT 0.8 !Minimum Center Thickness General Constraint n 09P!],Xa
MNE 0.5 !Minimum Edge Thickness General Constraint O?$]/d
DRA S1..I YES !Draw a picture of lens system at each cycle A4daIhP
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GO [?55vYt
!Reanalyze the system. Make sure to "Tear Off" original analysis before ;R([w4[~
!re-executing to compare optimized system J3XrlSc
!Re-execute Drawing )Ah 7
VIE F EA t6
GO ctMH5"F&1
!Re-execute MTF 0 =k
MTF PY
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MFR 68 {u[_^
IFR 17 V~sfR^FQ'
GO b8LA|#]i
!Re-execute Field (Distortion) Analysis @y2cC6+'t
FIE im@QJ :
GO bJcO,M:2
!Save Lens FILE > SAVE LENS AS... X@ S~D7|ja
SAV digcam20_opt
