| 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 "!?bC#d#(
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) XEEbmIO*<9
Display > View Lens (accept defaults, click OK, keep window open) uSJP"Lw
In LDM spreadsheet, select surfaces 1 to Image buXG32;
Choose Edit > Default Variables, then click in any cell to unselect the range 6f!mk:\T.
Right click in each cell and choose Vary for k]iS3+nD
Thickness of surfaces 1, 4, 6 pH [lj8S
Glass of surfaces 1, 4, 6 MvmP["%J4_
File > Save Lens O2dgdtm
Using Quick Analysis tool bar, click… 8|GpfW3p 2
Quick Spot Diagram (note scale) ;I'/.gW;{
Quick Ray Aberration Plot (note scale) >6 #\1/RP
Quick Field Plot (note scales and maximum distortion value) V1`| j
Analysis > Diffraction > MTF -pu\p-Z
Freq/Calc Tab: Maximum 68, Increment 17 9 a%@j
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Graphics tab: Max plot freq 68 | hM) e*"
Click OK (keep window open, tear off starting MTF graph for later comparison) KOx#L Gz
Optimization > Automatic Design dDbC0} x/
Output controls: Click Draw System button :nUsC+oBS
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ! .$P`wKr
Specific constraints: +GU16+w~E
Click Insert Specific Constraint 5.#9}]
Default display is Optical Definitions, Effective Focal Length (correct choice) uLljM{ I
Enter 8.25 for Constraint Target 5qEdN
Click OK. F4%[R)
File > Save Lens As (new name, digcam20_opt.len) {B.]w9
Re-run View Lens window to see new lens picture. 2v1&%x:y#
Re-run each of the Quick Analysis windows and note scales. Q {hOn] "
Re-run the MTF window, compare to tear-off of starting point vKC&Qi ;
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以下直接复制到命令行即可出最终结果 ` h!&->
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! Command inputs for Workshop 2-2 (for reference) :q<%wLs
!Restore 20 Degree Digital Camera Lens Setup `kSCH; mwP
!FILE > OPEN KBe {
RES digcam20_start.len J)|K/W9
!Vary all radii curvature by right clicking in LDM and selecting VARY ueBoSZRWX
!HINT: for curvatures highlight all and select vary. Then go back and x{V>(d'p
!freeze stop surface radius. wR4u}gb#q
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 'LLx$y.Ei[
!Vary all thicknesses by same method. Do not select surface with solve since 2 z# @:Q
!varying this surface will delete solve. If mistake, use UNDO or go to L.[uMuUa
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve *AR<DXE L
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 em !R9J.
THC S8 0 !Don't forget to vary the image distance which calculates best Sr 4 7u{n
!best real-ray focus from paraxial image plane 'a?.X _t
!Vary glass by highlighting, right clicking, and selecting Vary (1j $*?iGA
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 O>5 u5n
!Optimize OPTIMIZATION > AUTOMATIC DESIGN P.Z<b:V!
AUT 4(GgaQFO?
EFL Z1 = 8.25 !Effective Focal Length Constraint 1>x@1Mo+K
MNT 0.8 !Minimum Center Thickness General Constraint -xIhN?r)
MNE 0.5 !Minimum Edge Thickness General Constraint D@W3;T^
DRA S1..I YES !Draw a picture of lens system at each cycle _hL4@ C
GO ,nRwwFd.
!Reanalyze the system. Make sure to "Tear Off" original analysis before HCkqh4
!re-executing to compare optimized system v^_]W 3K
!Re-execute Drawing b\m( 0/x
VIE 'N ::MN
GO p sy(]Pf
!Re-execute MTF >1pH 91c'
MTF .x?zky^
MFR 68 N/{Yi
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IFR 17 DLVs>?Y
GO &\` a5[
!Re-execute Field (Distortion) Analysis xWe1F2nY
FIE XfK.Fj~-
GO UA4d|^ ev
!Save Lens FILE > SAVE LENS AS... 7"NJr aQ6
SAV digcam20_opt
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