主要是看人家的操作步骤,想学命令的人请看，十分有用 FI`nRFq)C
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) EFRZ% Y
Display > View Lens (accept defaults, click OK, keep window open) co<2e#p;
In LDM spreadsheet, select surfaces 1 to Image 8g[ (nxI~
Choose Edit > Default Variables, then click in any cell to unselect the range K#l
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Right click in each cell and choose Vary for !B k [p/\
Thickness of surfaces 1, 4, 6 dT hn?
Glass of surfaces 1, 4, 6 -t%{"y
File > Save Lens QDjW!BsX3
Using Quick Analysis tool bar, click… *#Lsjk~_-
Quick Spot Diagram (note scale) @Z9>3'2]A
Quick Ray Aberration Plot (note scale) _OJ0 < {E
Quick Field Plot (note scales and maximum distortion value) 5w,lw
Analysis > Diffraction > MTF ,#E3,bu6_4
Freq/Calc Tab: Maximum 68, Increment 17 bl"
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Graphics tab: Max plot freq 68 $ ] W[y=
Click OK (keep window open, tear off starting MTF graph for later comparison) `q f\3JT\
Optimization > Automatic Design lruF96C/Y
Output controls: Click Draw System button tDC0-N&6S~
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) BaWQ<T8p8
Specific constraints: ]k'#g Z$
Click Insert Specific Constraint 4; BW
Default display is Optical Definitions, Effective Focal Length (correct choice)
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Enter 8.25 for Constraint Target 'w` SBYQ5
Click OK. .Bb$ j=
File > Save Lens As (new name, digcam20_opt.len) Q$xa
Re-run View Lens window to see new lens picture. <[Tq7cO0
Re-run each of the Quick Analysis windows and note scales. ,zAK3d&hj
Re-run the MTF window, compare to tear-off of starting point }zkL[qu;
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以下直接复制到命令行即可出最终结果 CN\|_y
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! Command inputs for Workshop 2-2 (for reference) r/mA2
!Restore 20 Degree Digital Camera Lens Setup x[vp oB+c
!FILE > OPEN <O \tC81
RES digcam20_start.len & K5C= ]4
!Vary all radii curvature by right clicking in LDM and selecting VARY t{ /:( Nu
!HINT: for curvatures highlight all and select vary. Then go back and Zz"I.$$[M
!freeze stop surface radius. l;XU#6{
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 zyaW3th
!Vary all thicknesses by same method. Do not select surface with solve since Z B~l2
!varying this surface will delete solve. If mistake, use UNDO or go to u:_sTfKm&
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve GXT]K>LA
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 D ?Nd; [
THC S8 0 !Don't forget to vary the image distance which calculates best &_"ORqn &
!best real-ray focus from paraxial image plane \ V[;t-
!Vary glass by highlighting, right clicking, and selecting Vary x`]Of r'
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 4= u+ozCG
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ;Ay >+M2O
AUT hMNJ' i}
EFL Z1 = 8.25 !Effective Focal Length Constraint bH'S.RWp=
MNT 0.8 !Minimum Center Thickness General Constraint ,9=gVW{
MNE 0.5 !Minimum Edge Thickness General Constraint 6N9 c <JC
DRA S1..I YES !Draw a picture of lens system at each cycle c:=7lI
GO P7's8KOoS
!Reanalyze the system. Make sure to "Tear Off" original analysis before -h>Z,-DE6
!re-executing to compare optimized system tl DY k
!Re-execute Drawing y\^@p=e
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GO |w=Ec#)t4
!Re-execute MTF 9 wAA.
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MTF nY OY"'z
MFR 68 w?kGi>7E
IFR 17 <(fdHQD!7>
GO ^ Xm/
!Re-execute Field (Distortion) Analysis mfZ)^X
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GO r)gCTV(kb
!Save Lens FILE > SAVE LENS AS... ^`tk/#h\9F
SAV digcam20_opt
