| 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 Bf_$BCyGW
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) IgT`on3Y
Display > View Lens (accept defaults, click OK, keep window open) k $EVr([
In LDM spreadsheet, select surfaces 1 to Image a b0 Sx
Choose Edit > Default Variables, then click in any cell to unselect the range *6uccx7{
Right click in each cell and choose Vary for 5En6f`nR{
Thickness of surfaces 1, 4, 6 vDy&sg S$<
Glass of surfaces 1, 4, 6 M>Q]{/V7T
File > Save Lens ==[,;g
x
Using Quick Analysis tool bar, click… IRdt:B|@
Quick Spot Diagram (note scale) ON ?Y
Df
Quick Ray Aberration Plot (note scale) 4 #U}bN
Quick Field Plot (note scales and maximum distortion value) |s| }u`(@9
Analysis > Diffraction > MTF 9g9 2eKS
Freq/Calc Tab: Maximum 68, Increment 17 1^ iB S
Graphics tab: Max plot freq 68 ^5mc$~1`
Click OK (keep window open, tear off starting MTF graph for later comparison) 8;PkuJR_]
Optimization > Automatic Design
B.z$0=b
Output controls: Click Draw System button {Gxe%gu6K
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) p!.~hw9
Specific constraints:
y(A' *G9
Click Insert Specific Constraint g 7oY 1;
Default display is Optical Definitions, Effective Focal Length (correct choice) NnZW@ln"|
Enter 8.25 for Constraint Target U"oNJ8&%|
Click OK. |<%!9Z
File > Save Lens As (new name, digcam20_opt.len) 3v* ~CQy9
Re-run View Lens window to see new lens picture. 'CLZ7 pV
Re-run each of the Quick Analysis windows and note scales. AeJ ;g
Re-run the MTF window, compare to tear-off of starting point MB plh VK8
---------------------------------------------------------------------------------------------- VYyija:
以下直接复制到命令行即可出最终结果 Z`Yt~{,Q
---------------------------------------------------------------------------------------------- >rG>Bz^Pu
! Command inputs for Workshop 2-2 (for reference) 5dBftT v?
!Restore 20 Degree Digital Camera Lens Setup 9I/b$$?D
!FILE > OPEN +A9~h/"kt
RES digcam20_start.len K}*ets1s}
!Vary all radii curvature by right clicking in LDM and selecting VARY .UyE|t4
!HINT: for curvatures highlight all and select vary. Then go back and V0ze7tSG[f
!freeze stop surface radius. =TB_|`5;j
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 -[>de!
T3$
!Vary all thicknesses by same method. Do not select surface with solve since m 2H4V+M+
!varying this surface will delete solve. If mistake, use UNDO or go to f~IJ4T2#N
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve b* |~F
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 .Po"qoGy
THC S8 0 !Don't forget to vary the image distance which calculates best 8\"<t/_
W
!best real-ray focus from paraxial image plane nhI+xqfn
!Vary glass by highlighting, right clicking, and selecting Vary U 'jt'(
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 1/_g36\l$
!Optimize OPTIMIZATION > AUTOMATIC DESIGN z^Q'GBoBA
AUT lFBdiIw
EFL Z1 = 8.25 !Effective Focal Length Constraint rTD +7
)E
MNT 0.8 !Minimum Center Thickness General Constraint > A#5` $i
MNE 0.5 !Minimum Edge Thickness General Constraint MDMd$] CW
DRA S1..I YES !Draw a picture of lens system at each cycle %&e jO= r
GO s.3"2waZ=T
!Reanalyze the system. Make sure to "Tear Off" original analysis before A^U84kV=
!re-executing to compare optimized system ^$c#L1
C
!Re-execute Drawing Mk! Fy]3
VIE =]5t YIU
GO ldv@C6+J
!Re-execute MTF = C %)(|
MTF n. %QWhUB
MFR 68 7*:z N
IFR 17 FaHOutP
GO dab]>% M
!Re-execute Field (Distortion) Analysis 6 F\ 6,E
FIE }~FX!F#oU
GO M!&Hn, 22
!Save Lens FILE > SAVE LENS AS... MBLZ:A |
C
SAV digcam20_opt
|
|
