| 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 HS =qK
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 0!!b(X(
Display > View Lens (accept defaults, click OK, keep window open) rnz9TmN:*1
In LDM spreadsheet, select surfaces 1 to Image ^A S*X2y
Choose Edit > Default Variables, then click in any cell to unselect the range #05#@v8.f
Right click in each cell and choose Vary for 2iYf)M C
Thickness of surfaces 1, 4, 6 ~( 54-9&
Glass of surfaces 1, 4, 6 P #m/b<
File > Save Lens c%%r
Using Quick Analysis tool bar, click… zA4m !l*eM
Quick Spot Diagram (note scale) bU9 B2'%E
Quick Ray Aberration Plot (note scale) JD rh-6Zgj
Quick Field Plot (note scales and maximum distortion value) ,y@`wq>O
Analysis > Diffraction > MTF -h+=^ ,
Freq/Calc Tab: Maximum 68, Increment 17 x;ym_UZ6e
Graphics tab: Max plot freq 68 ij i<+ oul
Click OK (keep window open, tear off starting MTF graph for later comparison) *$mDu,'8
Optimization > Automatic Design H)tnxD0)
Output controls: Click Draw System button S(<r-bV<
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 1sKKmtgH
Specific constraints: V~ph1Boz2
Click Insert Specific Constraint W!|A3V35\:
Default display is Optical Definitions, Effective Focal Length (correct choice) yG -1g0
Enter 8.25 for Constraint Target M il
![A1
Click OK. HH
=sq
File > Save Lens As (new name, digcam20_opt.len) lIPy)25~
Re-run View Lens window to see new lens picture. Eoo QLZ
Re-run each of the Quick Analysis windows and note scales. rV.04m,
Re-run the MTF window, compare to tear-off of starting point Z
|w M
---------------------------------------------------------------------------------------------- \-3\lZ3qj
以下直接复制到命令行即可出最终结果 | d}f\a`
---------------------------------------------------------------------------------------------- 2]W"sT[
! Command inputs for Workshop 2-2 (for reference) }`M53>C,gQ
!Restore 20 Degree Digital Camera Lens Setup ip6$Z3[)
!FILE > OPEN `|@# ~
RES digcam20_start.len &Ohm]g8{ 2
!Vary all radii curvature by right clicking in LDM and selecting VARY %H OMX{~}#
!HINT: for curvatures highlight all and select vary. Then go back and mv9k_7<
!freeze stop surface radius. w O:!B\e
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 <%WN<T{q|
!Vary all thicknesses by same method. Do not select surface with solve since Khd "
!varying this surface will delete solve. If mistake, use UNDO or go to d3D w[4
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve *PQu9>1w
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 wBlfQ
w-N
THC S8 0 !Don't forget to vary the image distance which calculates best cm^:3(yYX
!best real-ray focus from paraxial image plane 0 ?ka XD
!Vary glass by highlighting, right clicking, and selecting Vary ;4XvlcGo
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 tj:3R$a
!Optimize OPTIMIZATION > AUTOMATIC DESIGN "[(& $ I
AUT xszGao'
EFL Z1 = 8.25 !Effective Focal Length Constraint Fl{:aq "3
MNT 0.8 !Minimum Center Thickness General Constraint wcGI2aflD
MNE 0.5 !Minimum Edge Thickness General Constraint E + wd9/;
DRA S1..I YES !Draw a picture of lens system at each cycle O 1T JJ8
GO +oKp>-
!Reanalyze the system. Make sure to "Tear Off" original analysis before D5]4(]k&
!re-executing to compare optimized system ZI"L\q=|0#
!Re-execute Drawing 01v7_* 'R
VIE n#@/ A
GO QP/6N9/
!Re-execute MTF : B(F ?9qK
MTF B&^WRM;7t
MFR 68 W_k;jy_{9
IFR 17 9 [qEJ $--
GO JNhHQ vi\
!Re-execute Field (Distortion) Analysis 6{h+(|.(
FIE +B^(,qKMN
GO !e~Yp0gX#
!Save Lens FILE > SAVE LENS AS... ~" \qX+
SAV digcam20_opt
|
|
