主要是看人家的操作步骤,想学命令的人请看，十分有用 `I$A;OPK7
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) pC8i &_A
Display > View Lens (accept defaults, click OK, keep window open) UMaKvr-C&
In LDM spreadsheet, select surfaces 1 to Image .`].\Zyk f
Choose Edit > Default Variables, then click in any cell to unselect the range 1[]cMyV
Right click in each cell and choose Vary for 4[q * 7m
Thickness of surfaces 1, 4, 6 J M%#L *;
Glass of surfaces 1, 4, 6 &@ -glF5
File > Save Lens )' #(1
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Using Quick Analysis tool bar, click… gId+hxFa:r
Quick Spot Diagram (note scale) 06$9Uz9
Quick Ray Aberration Plot (note scale) _I!&w!3oM
Quick Field Plot (note scales and maximum distortion value) Ls{fCi/2F
Analysis > Diffraction > MTF 6 -}gqkR
Freq/Calc Tab: Maximum 68, Increment 17 [4e5( !e
Graphics tab: Max plot freq 68 &EOh}O<
Click OK (keep window open, tear off starting MTF graph for later comparison) {9MYEN}FO
Optimization > Automatic Design %?jf.p*kY
Output controls: Click Draw System button `fyAV @X
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) <~OyV5:6
Specific constraints: ?da 3Azp
Click Insert Specific Constraint $Vzfhj-if
Default display is Optical Definitions, Effective Focal Length (correct choice) u@B"*V~K
Enter 8.25 for Constraint Target 7F4]EA ^
Click OK. =qR VKz
File > Save Lens As (new name, digcam20_opt.len) W% ud nJ
Re-run View Lens window to see new lens picture. SH.'E Hd
Re-run each of the Quick Analysis windows and note scales. *&D=]fG
Re-run the MTF window, compare to tear-off of starting point BR'|h G
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以下直接复制到命令行即可出最终结果 ?x97 q3I+]
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! Command inputs for Workshop 2-2 (for reference) S SXSgp
!Restore 20 Degree Digital Camera Lens Setup k s}o9[D3
!FILE > OPEN (L1`]cp
RES digcam20_start.len x3 Uv&
!Vary all radii curvature by right clicking in LDM and selecting VARY ?x @khzk
!HINT: for curvatures highlight all and select vary. Then go back and 6_K z}PQ
!freeze stop surface radius. 7-DC"`Y8e
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ?*4zNhL
!Vary all thicknesses by same method. Do not select surface with solve since '<Gqu_-
!varying this surface will delete solve. If mistake, use UNDO or go to %0 4n,&mg
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve jo ^*R'}
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 he Wb(E&
THC S8 0 !Don't forget to vary the image distance which calculates best ,n* .Yq
!best real-ray focus from paraxial image plane ?HY0@XILI
!Vary glass by highlighting, right clicking, and selecting Vary 5h1j.t!
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 G u= Rf`o
!Optimize OPTIMIZATION > AUTOMATIC DESIGN l-
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AUT _OY ;SJ(
EFL Z1 = 8.25 !Effective Focal Length Constraint =%L^!//c
MNT 0.8 !Minimum Center Thickness General Constraint L*z; -,
MNE 0.5 !Minimum Edge Thickness General Constraint 4jpF^&y7u^
DRA S1..I YES !Draw a picture of lens system at each cycle =EKJ!{
GO gT.-C f{
!Reanalyze the system. Make sure to "Tear Off" original analysis before S%@$J~\rx
!re-executing to compare optimized system llzl-2` /
!Re-execute Drawing oZ}e
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GO vXF\PMf
!Re-execute MTF 61'7b`:(hi
MTF
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MFR 68 HZT;7<
IFR 17 {x8`gP\H
GO M Pt7 /
!Re-execute Field (Distortion) Analysis (GQy"IuFh
FIE z+b~#f3
GO !o@-kl
!Save Lens FILE > SAVE LENS AS... "#7 i-?=
SAV digcam20_opt
