| 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 m&:&z7^ p
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) V4:/LN q_]
Display > View Lens (accept defaults, click OK, keep window open) :\\NK/"
In LDM spreadsheet, select surfaces 1 to Image HIXAA?_eh=
Choose Edit > Default Variables, then click in any cell to unselect the range qq/ > E*~
Right click in each cell and choose Vary for >>y`ap2%V
Thickness of surfaces 1, 4, 6 "' JnFM
Glass of surfaces 1, 4, 6 X
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File > Save Lens \c<
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Using Quick Analysis tool bar, click… EtKq.<SJ
Quick Spot Diagram (note scale) _MBhwNBxZ
Quick Ray Aberration Plot (note scale) X 0G,tl
Quick Field Plot (note scales and maximum distortion value) +e>SK!kB7
Analysis > Diffraction > MTF m/KaWrw/)
Freq/Calc Tab: Maximum 68, Increment 17 2:*15RH3
Graphics tab: Max plot freq 68 2n:<F9^"
Click OK (keep window open, tear off starting MTF graph for later comparison) 3iCe5VF
Optimization > Automatic Design D&G6^ME
Output controls: Click Draw System button Vu:ZG*^
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) --K) 7
Specific constraints: ?veeW6E(
Click Insert Specific Constraint x+X@& S
Default display is Optical Definitions, Effective Focal Length (correct choice) 9>)b6)J D
Enter 8.25 for Constraint Target /Y #8.sr
Click OK. k=]e7~!
File > Save Lens As (new name, digcam20_opt.len) (Q*q# U
Re-run View Lens window to see new lens picture. : _8K8Sa
Re-run each of the Quick Analysis windows and note scales. &C9IR,&
Re-run the MTF window, compare to tear-off of starting point B\J[O5},
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以下直接复制到命令行即可出最终结果 UP-eKK'z
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! Command inputs for Workshop 2-2 (for reference) 7=P)` @
!Restore 20 Degree Digital Camera Lens Setup JW
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!FILE > OPEN OrkcY39"~a
RES digcam20_start.len h4hAzFQ.s
!Vary all radii curvature by right clicking in LDM and selecting VARY SZWNN#w60?
!HINT: for curvatures highlight all and select vary. Then go back and _Xf1FzF+a
!freeze stop surface radius. 9q` Ewj R
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 \.i7( J]
!Vary all thicknesses by same method. Do not select surface with solve since D!`[fjs6A
!varying this surface will delete solve. If mistake, use UNDO or go to y\FQt]; z)
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve Z",0 $Gxu
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 REh"/d
THC S8 0 !Don't forget to vary the image distance which calculates best ~c EN=(Z~r
!best real-ray focus from paraxial image plane Q9bnOvKe|
!Vary glass by highlighting, right clicking, and selecting Vary f(Xin3#'
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 bpY*;o$~
!Optimize OPTIMIZATION > AUTOMATIC DESIGN V %R]jbHZ#
AUT 6 tH}&#K
EFL Z1 = 8.25 !Effective Focal Length Constraint +6WjOcu
MNT 0.8 !Minimum Center Thickness General Constraint mI&3y9; (
MNE 0.5 !Minimum Edge Thickness General Constraint vPnS`&
DRA S1..I YES !Draw a picture of lens system at each cycle jJ 2rfdfj
GO GgpE"M?
!Reanalyze the system. Make sure to "Tear Off" original analysis before D$FTnY
!re-executing to compare optimized system * ).
!Re-execute Drawing *d8
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VIE 4Wl`hF
GO B&MDn']fV/
!Re-execute MTF Z\0wQ ;}
MTF qsj$u-xhX
MFR 68 #VhdYDbW
IFR 17 ]-wyZ +a
GO ) 8xbc&M
!Re-execute Field (Distortion) Analysis .U{}N%S
FIE ~BI`{/O=
GO fHaF9o+/b
!Save Lens FILE > SAVE LENS AS... YIN* '!N
SAV digcam20_opt
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