| 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 tptN6Isuh
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Q'O[R+YT ,
Display > View Lens (accept defaults, click OK, keep window open) ~m^ #FJu
In LDM spreadsheet, select surfaces 1 to Image .iX# A<E}
Choose Edit > Default Variables, then click in any cell to unselect the range ig}A9j?]
Right click in each cell and choose Vary for !V 2/A1?
Thickness of surfaces 1, 4, 6 rgmF: C
Glass of surfaces 1, 4, 6 j h2t9SI~
File > Save Lens l 'DsZ9y@2
Using Quick Analysis tool bar, click… 2owEw*5jl/
Quick Spot Diagram (note scale) 10!wqyj&
Quick Ray Aberration Plot (note scale) &`0/CV
Quick Field Plot (note scales and maximum distortion value) LI 2&& Mw
Analysis > Diffraction > MTF w }Uhd ,
Freq/Calc Tab: Maximum 68, Increment 17 B(xN Gs
Graphics tab: Max plot freq 68 AdRX`[ik
Click OK (keep window open, tear off starting MTF graph for later comparison)
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Optimization > Automatic Design ~ .;<
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Output controls: Click Draw System button m3I l3ZY.
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) Z R/#V7Pj
Specific constraints: J{ ^R kGF
Click Insert Specific Constraint jck}" N
Default display is Optical Definitions, Effective Focal Length (correct choice) P(F+ f `T
Enter 8.25 for Constraint Target 9]q:[zm^
Click OK. k'0Pi6
File > Save Lens As (new name, digcam20_opt.len) t%F0:SH
Re-run View Lens window to see new lens picture. 4:g R r
Re-run each of the Quick Analysis windows and note scales. 5mb]Q)f9-
Re-run the MTF window, compare to tear-off of starting point M (/r%-D
---------------------------------------------------------------------------------------------- M)SEn/T-
以下直接复制到命令行即可出最终结果 C*P7-oE2rh
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! Command inputs for Workshop 2-2 (for reference) g) -bW+]q
!Restore 20 Degree Digital Camera Lens Setup Z?\>JM >;
!FILE > OPEN 720D V +o
RES digcam20_start.len YpqrZWvh
!Vary all radii curvature by right clicking in LDM and selecting VARY =Q\r?(Iy
!HINT: for curvatures highlight all and select vary. Then go back and K.0:C`C
!freeze stop surface radius. %$b:X5$Z
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 p |!
!Vary all thicknesses by same method. Do not select surface with solve since NU0g07"
!varying this surface will delete solve. If mistake, use UNDO or go to ( SvWv m
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 13>0OKg`#
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 w4gJoxY-`
THC S8 0 !Don't forget to vary the image distance which calculates best BW$"`T@c6~
!best real-ray focus from paraxial image plane !*7 vFl
!Vary glass by highlighting, right clicking, and selecting Vary GJ_7h_4
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 %yv<y+yP~
!Optimize OPTIMIZATION > AUTOMATIC DESIGN UdpF@Q
AUT pu2 tY7J a
EFL Z1 = 8.25 !Effective Focal Length Constraint ?B2] -+Y
MNT 0.8 !Minimum Center Thickness General Constraint xe^Gs]fm
MNE 0.5 !Minimum Edge Thickness General Constraint `)T13Xv
DRA S1..I YES !Draw a picture of lens system at each cycle Z$/xy"
GO uM_wjP
!Reanalyze the system. Make sure to "Tear Off" original analysis before VHIOwzC
!re-executing to compare optimized system K/IWH[
!Re-execute Drawing NQJq6S4@
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GO @~ ^ 5l
!Re-execute MTF ) 48QBz?
MTF n\*!CXc
MFR 68 /_I]H
IFR 17 CDQW !XHc
GO D1zBsi94D
!Re-execute Field (Distortion) Analysis RtTJ5@V(
FIE ,JAx
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GO TaKLzd2
!Save Lens FILE > SAVE LENS AS... ON=@ O
SAV digcam20_opt
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