| 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 tq2Ti Xo%
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 0{sYD*gK]
Display > View Lens (accept defaults, click OK, keep window open) Y$nI9
In LDM spreadsheet, select surfaces 1 to Image q.v_ ?X<_
Choose Edit > Default Variables, then click in any cell to unselect the range VpWpC&
Right click in each cell and choose Vary for xqzB= 0
Thickness of surfaces 1, 4, 6 iS}~e{TP/
Glass of surfaces 1, 4, 6 j$=MJN0
File > Save Lens ;N!W|G
Using Quick Analysis tool bar, click… 4/E>k <MA
Quick Spot Diagram (note scale) Zksow} %
Quick Ray Aberration Plot (note scale) n /Dk~Q)
Quick Field Plot (note scales and maximum distortion value) f4&k48Ds
Analysis > Diffraction > MTF Y$N D
Freq/Calc Tab: Maximum 68, Increment 17 vL~j6'
Graphics tab: Max plot freq 68 l#;o^H i
Click OK (keep window open, tear off starting MTF graph for later comparison) }R)A%FKi@
Optimization > Automatic Design `&>CK`%Xu
Output controls: Click Draw System button m'5rzZP
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) J3AS"+]
Specific constraints: -
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Click Insert Specific Constraint hdurT
Default display is Optical Definitions, Effective Focal Length (correct choice) BH^8!7dkT
Enter 8.25 for Constraint Target q =_tjg
Click OK. rI4N3d;C
File > Save Lens As (new name, digcam20_opt.len) meR5E?Fm
Re-run View Lens window to see new lens picture. PZSi}j/
Re-run each of the Quick Analysis windows and note scales. i `" L?3T
Re-run the MTF window, compare to tear-off of starting point 3k5F$wf
---------------------------------------------------------------------------------------------- o]m56
以下直接复制到命令行即可出最终结果 BxHfL8$1[$
---------------------------------------------------------------------------------------------- Wup%.yT~Ds
! Command inputs for Workshop 2-2 (for reference) Ub<^;Du5
!Restore 20 Degree Digital Camera Lens Setup XOd
!FILE > OPEN mKhlYV n
RES digcam20_start.len ?\Lf=[
!Vary all radii curvature by right clicking in LDM and selecting VARY 'EsdYx5C
!HINT: for curvatures highlight all and select vary. Then go back and vm`\0VGSW
!freeze stop surface radius. !-Md+I_
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 _:.'\d(
!Vary all thicknesses by same method. Do not select surface with solve since cS#m\O
!varying this surface will delete solve. If mistake, use UNDO or go to R#33AC CX
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve $ Y_v X
2
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 -
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THC S8 0 !Don't forget to vary the image distance which calculates best iV8O<en&i
!best real-ray focus from paraxial image plane xgv&M:%D-
!Vary glass by highlighting, right clicking, and selecting Vary oM)4""|
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 yB,{:kq7D
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 3M<T}>
AUT rdQ'#}I x
EFL Z1 = 8.25 !Effective Focal Length Constraint %2`geN<
MNT 0.8 !Minimum Center Thickness General Constraint o9L$ B
MNE 0.5 !Minimum Edge Thickness General Constraint
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DRA S1..I YES !Draw a picture of lens system at each cycle ?ZlN$h^
GO [w R x)F"
!Reanalyze the system. Make sure to "Tear Off" original analysis before L$<(HQQ J8
!re-executing to compare optimized system g;PZ$|%&s>
!Re-execute Drawing M>"J5yqR
VIE Yeb-u+23
GO |_ `wC
!Re-execute MTF yZDS>7H
MTF V(
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MFR 68 e- /+e64Q@
IFR 17 29GcNiE`T
GO 0xe *\CAo
!Re-execute Field (Distortion) Analysis >ISN2Kn
FIE ^Q""N<
GO XH{P@2~l
!Save Lens FILE > SAVE LENS AS... R=u!Rcv R
SAV digcam20_opt
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