| longlllooo |
2006-03-27 20:24 |
主要是看人家的操作步骤,想学命令的人请看，十分有用 O 7s n>uO
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) )J0V B't
Display > View Lens (accept defaults, click OK, keep window open) 5sE}B8
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In LDM spreadsheet, select surfaces 1 to Image x{}m)2[ Y
Choose Edit > Default Variables, then click in any cell to unselect the range ?6bE!36
Right click in each cell and choose Vary for 8Bvjj|~ (@
Thickness of surfaces 1, 4, 6 `L>'9rbZO
Glass of surfaces 1, 4, 6 $;1~JOZh
File > Save Lens u4'Lm+&O
Using Quick Analysis tool bar, click… d\ f 5\Y
Quick Spot Diagram (note scale) z6qC6Ck|
Quick Ray Aberration Plot (note scale) 4
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Quick Field Plot (note scales and maximum distortion value) .8m)^E T
Analysis > Diffraction > MTF "$&F]0
Freq/Calc Tab: Maximum 68, Increment 17 T Bco
Graphics tab: Max plot freq 68 ^5+-7+-S
Click OK (keep window open, tear off starting MTF graph for later comparison) V1 G]LM
Optimization > Automatic Design C&T3vM
Output controls: Click Draw System button THJ+OnP
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ln .~ >FO
Specific constraints: 5a/)|
Click Insert Specific Constraint &g`a [#
Default display is Optical Definitions, Effective Focal Length (correct choice) [ ~3p+
Enter 8.25 for Constraint Target QWkw$mcf
Click OK. P
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File > Save Lens As (new name, digcam20_opt.len) WJ*DWyd''
Re-run View Lens window to see new lens picture. h:;~)= {"X
Re-run each of the Quick Analysis windows and note scales. QbWD&8T0O
Re-run the MTF window, compare to tear-off of starting point N?XN$hwdZ
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以下直接复制到命令行即可出最终结果 UgP5^3F2
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! Command inputs for Workshop 2-2 (for reference) L8fr
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!Restore 20 Degree Digital Camera Lens Setup SUw{xGp
!FILE > OPEN cg~FW2Q
RES digcam20_start.len )
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!Vary all radii curvature by right clicking in LDM and selecting VARY =
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!HINT: for curvatures highlight all and select vary. Then go back and 580t@?
!freeze stop surface radius. 9pgct6BO
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 s$e n5)
!Vary all thicknesses by same method. Do not select surface with solve since 9&tV# =s
!varying this surface will delete solve. If mistake, use UNDO or go to e.T5F`Du
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve a
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 T2d pn%I
THC S8 0 !Don't forget to vary the image distance which calculates best j405G4BVW
!best real-ray focus from paraxial image plane Q pX@; j
!Vary glass by highlighting, right clicking, and selecting Vary ]k 8XLgJ
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 .UcS4JU
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ~-6;h.x=
AUT ,'j5tU?c
EFL Z1 = 8.25 !Effective Focal Length Constraint R3~&|>7/T
MNT 0.8 !Minimum Center Thickness General Constraint zehF/HBzE
MNE 0.5 !Minimum Edge Thickness General Constraint mf3 G$=[
DRA S1..I YES !Draw a picture of lens system at each cycle N%-nxbI\
GO uzo} ?X#
!Reanalyze the system. Make sure to "Tear Off" original analysis before C {) )T5G
!re-executing to compare optimized system QWoE o
!Re-execute Drawing i <bs{Cu_S
VIE O ? 4V($
GO iT%UfN/q=I
!Re-execute MTF S("bN{7nE
MTF &jJgAZ !
MFR 68 _RmrjD k
IFR 17 ,[~EThcq
GO q8 oEb
!Re-execute Field (Distortion) Analysis li{_biey}
FIE 5Z:HCp-aG
GO oGM.{\i
!Save Lens FILE > SAVE LENS AS... d_`Ze.^
SAV digcam20_opt
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