| 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 QT#6'>&7-b
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) iQ^:
])m>
Display > View Lens (accept defaults, click OK, keep window open) CDp8)=WJFF
In LDM spreadsheet, select surfaces 1 to Image _N3 }gFh>
Choose Edit > Default Variables, then click in any cell to unselect the range J`#` fX
Right click in each cell and choose Vary for !6w{(Rc(C
Thickness of surfaces 1, 4, 6 N*DhjEU)[
Glass of surfaces 1, 4, 6 y7<&vIEC
File > Save Lens Pj7gGf6v
Using Quick Analysis tool bar, click… *(cU]NUH_
Quick Spot Diagram (note scale) sygH1|f
Quick Ray Aberration Plot (note scale) WP-jtZ?!"
Quick Field Plot (note scales and maximum distortion value) &B!%fd .'
Analysis > Diffraction > MTF
P
, K\
Freq/Calc Tab: Maximum 68, Increment 17 tiLu75vj
Graphics tab: Max plot freq 68 A 2x;fgi
Click OK (keep window open, tear off starting MTF graph for later comparison) v\ZBv zd
Optimization > Automatic Design ?kt=z4h9(
Output controls: Click Draw System button h e )ulB
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 9e<Zgr?N
Specific constraints: Xz;b,C&*t
Click Insert Specific Constraint #1$}S=8*f
Default display is Optical Definitions, Effective Focal Length (correct choice) d^39t4
Enter 8.25 for Constraint Target fo\\o4Q yh
Click OK. OR+A_:c.D
File > Save Lens As (new name, digcam20_opt.len) Z{{ t^+XG
Re-run View Lens window to see new lens picture. ${U6=
Re-run each of the Quick Analysis windows and note scales. u9![6$R
Re-run the MTF window, compare to tear-off of starting point F ,G, b
---------------------------------------------------------------------------------------------- /BH.>R4`A
以下直接复制到命令行即可出最终结果 ZHy ><=2
---------------------------------------------------------------------------------------------- ^i<}] c_|f
! Command inputs for Workshop 2-2 (for reference) ~q%
!Restore 20 Degree Digital Camera Lens Setup B[NJ^b|
!FILE > OPEN gw Qvao
RES digcam20_start.len
qtSs)n
!Vary all radii curvature by right clicking in LDM and selecting VARY kqB\xlS7k
!HINT: for curvatures highlight all and select vary. Then go back and eX<K5K.B
!freeze stop surface radius. |l90g|isJ
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Rlw 9$/D!Z
!Vary all thicknesses by same method. Do not select surface with solve since )
YSh D
!varying this surface will delete solve. If mistake, use UNDO or go to Mr 6E/7g%
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve r#xk`a
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 xQz #i-v
THC S8 0 !Don't forget to vary the image distance which calculates best - s|t^
!best real-ray focus from paraxial image plane h3J *1
!Vary glass by highlighting, right clicking, and selecting Vary umDtp\
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 N^ B@3QF
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 4]UT+'RubX
AUT ?~qC,N [
EFL Z1 = 8.25 !Effective Focal Length Constraint Pi%tsKk%
MNT 0.8 !Minimum Center Thickness General Constraint u g6r]0]
MNE 0.5 !Minimum Edge Thickness General Constraint ?"@ET9
DRA S1..I YES !Draw a picture of lens system at each cycle N^@
\tg =
GO ;4d.)-<No_
!Reanalyze the system. Make sure to "Tear Off" original analysis before ~yN(- I1P
!re-executing to compare optimized system 1PU*:58[
!Re-execute Drawing h}6b&m
VIE =mJ F_Ri
GO ct\<;I(H
!Re-execute MTF p#b {xK
MTF A;%kl`~iyz
MFR 68 Xr2J:1pgg
IFR 17 /:6Q.onmLn
GO s<{GpWT8
!Re-execute Field (Distortion) Analysis gY\mXM*^
FIE >H?uuzi
GO = n
}Yqny
!Save Lens FILE > SAVE LENS AS... ^4hc+sh0D
SAV digcam20_opt
|
|
