主要是看人家的操作步骤,想学命令的人请看，十分有用 P? WS=w*O0
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) J[ 0o 6
Display > View Lens (accept defaults, click OK, keep window open) )w/ #T
In LDM spreadsheet, select surfaces 1 to Image 9W5 ~ I9%
Choose Edit > Default Variables, then click in any cell to unselect the range olLVT<
Right click in each cell and choose Vary for ArK%?*`5
Thickness of surfaces 1, 4, 6 )DG>omCY
Glass of surfaces 1, 4, 6 L?h'^*F H}
File > Save Lens KAkD" (!
Using Quick Analysis tool bar, click… g+v.rmX
Quick Spot Diagram (note scale) {"e)Jj_=
Quick Ray Aberration Plot (note scale) <?8 aM7W7
Quick Field Plot (note scales and maximum distortion value) yzI`&?
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Analysis > Diffraction > MTF R V @'$`Q
Freq/Calc Tab: Maximum 68, Increment 17 L<dJWxf?D
Graphics tab: Max plot freq 68 H<N$z 3k
Click OK (keep window open, tear off starting MTF graph for later comparison) +wPXDN#R
Optimization > Automatic Design k4i*80
Output controls: Click Draw System button (Mzv"F N]
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) Dt]N&E#\D
Specific constraints: mc
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Click Insert Specific Constraint ^mp#7OL
Default display is Optical Definitions, Effective Focal Length (correct choice) M_BG :P5
Enter 8.25 for Constraint Target |^:qJ;dO P
Click OK. >v?&&FhHK<
File > Save Lens As (new name, digcam20_opt.len) qp##>c31X
Re-run View Lens window to see new lens picture. arWP]%E0W
Re-run each of the Quick Analysis windows and note scales. WW B m*?U
Re-run the MTF window, compare to tear-off of starting point Acix `-<
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以下直接复制到命令行即可出最终结果 k.5(d.*(
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! Command inputs for Workshop 2-2 (for reference) W gTD
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!Restore 20 Degree Digital Camera Lens Setup MJ?fMR@
!FILE > OPEN 4-r5C5o, W
RES digcam20_start.len +`RQ ^9
!Vary all radii curvature by right clicking in LDM and selecting VARY ko-,l6E
!HINT: for curvatures highlight all and select vary. Then go back and {wL30D^
!freeze stop surface radius. Ea,L 04K
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 mxPzB#t4
!Vary all thicknesses by same method. Do not select surface with solve since ]Y.GU 7`
!varying this surface will delete solve. If mistake, use UNDO or go to z?3t ^UPW
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve L ^E#"f
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 R\T1R"1
THC S8 0 !Don't forget to vary the image distance which calculates best u5Tu~
!best real-ray focus from paraxial image plane KkJrh@lk
!Vary glass by highlighting, right clicking, and selecting Vary hj4mbL
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 _TbQjE&6
!Optimize OPTIMIZATION > AUTOMATIC DESIGN UE\Z ] t!
AUT V zTHW5B
EFL Z1 = 8.25 !Effective Focal Length Constraint Kg;u.4.-M
MNT 0.8 !Minimum Center Thickness General Constraint WeiDg,]e$b
MNE 0.5 !Minimum Edge Thickness General Constraint &# <
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DRA S1..I YES !Draw a picture of lens system at each cycle FL|\D
GO f`W)Z$fN5
!Reanalyze the system. Make sure to "Tear Off" original analysis before Kj{(jT
!re-executing to compare optimized system AY x*Ngn
!Re-execute Drawing \ 9!hg(-F
VIE EGMIw?%Y`-
GO \8<ZPqt9
!Re-execute MTF o|cx?
MTF
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MFR 68 nl)l:A+q8
IFR 17 `EdZ
GO "tF#]iQQ
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!Re-execute Field (Distortion) Analysis 5._1G| 3
FIE J`[v u4
GO FQh8(^(
!Save Lens FILE > SAVE LENS AS... Z#N Ea.]
SAV digcam20_opt
