主要是看人家的操作步骤,想学命令的人请看，十分有用 )kFme =;
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len)
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Display > View Lens (accept defaults, click OK, keep window open) R/yPZO-U
In LDM spreadsheet, select surfaces 1 to Image ytg7p 5{!i
Choose Edit > Default Variables, then click in any cell to unselect the range 4& #vU(-H
Right click in each cell and choose Vary for 77)OW $G
Thickness of surfaces 1, 4, 6 +SP! R[a
Glass of surfaces 1, 4, 6 Z?vY3)
File > Save Lens =9# i<te
Using Quick Analysis tool bar, click… pIk4V/ fy
Quick Spot Diagram (note scale) ':5U&
Quick Ray Aberration Plot (note scale) T9aTEsA[U
Quick Field Plot (note scales and maximum distortion value) i(dXA(p
Analysis > Diffraction > MTF ;""-[4C
Freq/Calc Tab: Maximum 68, Increment 17 c }g$1of87
Graphics tab: Max plot freq 68 `PXoJl
Click OK (keep window open, tear off starting MTF graph for later comparison) @`# OC#
Optimization > Automatic Design DK2c]i^|=
Output controls: Click Draw System button <e@I1iL37y
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) j FI]54,
Specific constraints: 1',+&2)oj
Click Insert Specific Constraint I$rW[l2
Default display is Optical Definitions, Effective Focal Length (correct choice) Yqq$ kln
Enter 8.25 for Constraint Target Ke'YM{
Click OK. fSm?27_
File > Save Lens As (new name, digcam20_opt.len) aTmX!!
Re-run View Lens window to see new lens picture. ?)i6:76(
Re-run each of the Quick Analysis windows and note scales. B' <O)"1w
Re-run the MTF window, compare to tear-off of starting point $6qR/#7 4
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以下直接复制到命令行即可出最终结果 C{lB/F /|!
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! Command inputs for Workshop 2-2 (for reference) 6'3Ey'drH
!Restore 20 Degree Digital Camera Lens Setup *}50q9) /
!FILE > OPEN NpjsZcA
RES digcam20_start.len /
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!Vary all radii curvature by right clicking in LDM and selecting VARY &k {t0>
!HINT: for curvatures highlight all and select vary. Then go back and nJnO/~|
!freeze stop surface radius. -M(58/y
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 @5uyUSt]
!Vary all thicknesses by same method. Do not select surface with solve since ;1Tpzm
!varying this surface will delete solve. If mistake, use UNDO or go to zXA= se0U
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve <ZN)
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 yDl5t-0`
THC S8 0 !Don't forget to vary the image distance which calculates best +#2@ G}j
!best real-ray focus from paraxial image plane @=^jpSnZ
!Vary glass by highlighting, right clicking, and selecting Vary ixUiXP
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 >Kqj{/SWK
!Optimize OPTIMIZATION > AUTOMATIC DESIGN B%?|br
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EFL Z1 = 8.25 !Effective Focal Length Constraint e3bAT .P
MNT 0.8 !Minimum Center Thickness General Constraint s` dkEaS
MNE 0.5 !Minimum Edge Thickness General Constraint B@: XC&R^
DRA S1..I YES !Draw a picture of lens system at each cycle wZ#~+ }T
GO TO8\4p*tE
!Reanalyze the system. Make sure to "Tear Off" original analysis before J^e|"0d
!re-executing to compare optimized system ,&
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!Re-execute Drawing 4%Wn}@
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GO =h1 QN
!Re-execute MTF 2 T{-J!k
MTF ^Ypb"Wx8
MFR 68 Rg!aKdDl$
IFR 17 a |^ -z|.
GO +RKE|*y
!Re-execute Field (Distortion) Analysis #6#BSZ E
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GO }@t'r K[
!Save Lens FILE > SAVE LENS AS... F'T=
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SAV digcam20_opt
