| longlllooo |
2006-03-27 20:26 |
主要是看人家的操作步骤,想学命令的人请看，十分有用 QK #qW-49O
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) ni )G
Display > View Lens (accept defaults, click OK, keep window open) +<V $G/ "
In LDM spreadsheet, select surfaces 1 to Image @;{ZnRv14
Choose Edit > Default Variables, then click in any cell to unselect the range Iue=\qUK^
Right click in each cell and choose Vary for k$#1T +(G
Thickness of surfaces 1, 4, 6 @7Ln1v
Glass of surfaces 1, 4, 6 v6! `H
File > Save Lens v"%> ms"n
Using Quick Analysis tool bar, click… )Wt&*WMFXl
Quick Spot Diagram (note scale) ?
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Quick Ray Aberration Plot (note scale) `j hbKgR[
Quick Field Plot (note scales and maximum distortion value) #hu`X6s"
Analysis > Diffraction > MTF *r9D+}Y(4
Freq/Calc Tab: Maximum 68, Increment 17 T-7( 3#&
Graphics tab: Max plot freq 68 H l{ul'o
Click OK (keep window open, tear off starting MTF graph for later comparison) X2,v'`U5&
Optimization > Automatic Design /S^>06{-+
Output controls: Click Draw System button b`DPlQHj
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 6e5A8e8"]
Specific constraints: I )r6*|mz
Click Insert Specific Constraint %X%f0J
Default display is Optical Definitions, Effective Focal Length (correct choice) }"%mP 4]&
Enter 8.25 for Constraint Target gF2 93Ez
Click OK. Y=<zR9f`
File > Save Lens As (new name, digcam20_opt.len) vtK.7AF
Re-run View Lens window to see new lens picture. *] >R
Re-run each of the Quick Analysis windows and note scales. 9j-;-`$S
Re-run the MTF window, compare to tear-off of starting point R@>^t4#_Q0
---------------------------------------------------------------------------------------------- n3 eWqwQ$5
以下直接复制到命令行即可出最终结果 XI`s M~'
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! Command inputs for Workshop 2-2 (for reference) Q MX
!Restore 20 Degree Digital Camera Lens Setup ]1 h9:PF
!FILE > OPEN !kh: zTP
RES digcam20_start.len g@ ?R"
!Vary all radii curvature by right clicking in LDM and selecting VARY m? 4HVv
!HINT: for curvatures highlight all and select vary. Then go back and "dYT>w
!freeze stop surface radius. 3{ea~G)[9
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 AL InJ{X
!Vary all thicknesses by same method. Do not select surface with solve since %Br1b6 V
!varying this surface will delete solve. If mistake, use UNDO or go to KxFA@3
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve F`Z?$ 1
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 @.G;dL.f{
THC S8 0 !Don't forget to vary the image distance which calculates best ' fzJw
!best real-ray focus from paraxial image plane 'cK{FiIT
!Vary glass by highlighting, right clicking, and selecting Vary $t5>1G1j7
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 c@j3L23B
!Optimize OPTIMIZATION > AUTOMATIC DESIGN m5P @F@
AUT ;uZ eYY?
EFL Z1 = 8.25 !Effective Focal Length Constraint }<'ki
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MNT 0.8 !Minimum Center Thickness General Constraint o##!S6:A
MNE 0.5 !Minimum Edge Thickness General Constraint QMDkkNK
DRA S1..I YES !Draw a picture of lens system at each cycle cb. -AlqQ
GO ;xai JJK {
!Reanalyze the system. Make sure to "Tear Off" original analysis before V y=+G~
!re-executing to compare optimized system Z` %^?My
!Re-execute Drawing C8 (0|XX
VIE +*e Vi3
GO z'gJ y
!Re-execute MTF #??[;xjs!
MTF D_`~$QB`,
MFR 68 Kz]\o"K
IFR 17 3_{rXtT)'
GO YWk+}y}^d
!Re-execute Field (Distortion) Analysis }`76yH^c
FIE l @E
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GO c;#gvE
!Save Lens FILE > SAVE LENS AS... _ vAc/_ N
SAV digcam20_opt
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