主要是看人家的操作步骤,想学命令的人请看，十分有用 97n,^t2F\
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) .#_g.0<
Display > View Lens (accept defaults, click OK, keep window open) uiq;{!dop
In LDM spreadsheet, select surfaces 1 to Image rW[7
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Choose Edit > Default Variables, then click in any cell to unselect the range I@uin|X
Right click in each cell and choose Vary for Qy\K oo
Thickness of surfaces 1, 4, 6 i)[~]D.EH8
Glass of surfaces 1, 4, 6 Z9UNp[ 0
File > Save Lens n:[LsbTk
Using Quick Analysis tool bar, click… @O| l A
Quick Spot Diagram (note scale) x?2y^3<5
Quick Ray Aberration Plot (note scale) 4~e6z(
Quick Field Plot (note scales and maximum distortion value) }b / G{92
Analysis > Diffraction > MTF puK /;nns
Freq/Calc Tab: Maximum 68, Increment 17 k -8$ 43
Graphics tab: Max plot freq 68 | (: PX
Click OK (keep window open, tear off starting MTF graph for later comparison) [p96H)8YU
Optimization > Automatic Design =%0r_#F%=
Output controls: Click Draw System button Om bvp;
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) p2j=73$
Specific constraints: TN.&FDqC9
Click Insert Specific Constraint ^w~Utx4
Default display is Optical Definitions, Effective Focal Length (correct choice) qdwjg8fo4Z
Enter 8.25 for Constraint Target $jN,] N~
Click OK. 5uD'Kd$H
File > Save Lens As (new name, digcam20_opt.len) \q:PU6q
Re-run View Lens window to see new lens picture. ;op 8r u
Re-run each of the Quick Analysis windows and note scales. 3 t$)saQR
Re-run the MTF window, compare to tear-off of starting point $qk(yzY
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以下直接复制到命令行即可出最终结果 J}s)#va9R
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! Command inputs for Workshop 2-2 (for reference) QE~#eo
!Restore 20 Degree Digital Camera Lens Setup [( /IV+
!FILE > OPEN < m+$@:cO
RES digcam20_start.len av}pT)]\
!Vary all radii curvature by right clicking in LDM and selecting VARY $jNp-5+Q;
!HINT: for curvatures highlight all and select vary. Then go back and v1~`76^
!freeze stop surface radius. ;T?4=15c
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 aDE)Nf}
!Vary all thicknesses by same method. Do not select surface with solve since < c[dpK5c
!varying this surface will delete solve. If mistake, use UNDO or go to Hv< jf38
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 5E}~iC&
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 m'ykDK\B
THC S8 0 !Don't forget to vary the image distance which calculates best om pkDl\E
!best real-ray focus from paraxial image plane .RxAYf|
!Vary glass by highlighting, right clicking, and selecting Vary VD- 2{em
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 NRZ>03w
!Optimize OPTIMIZATION > AUTOMATIC DESIGN \F8*HPM=*
AUT /WE1afe_R
EFL Z1 = 8.25 !Effective Focal Length Constraint P]||Xbbp
MNT 0.8 !Minimum Center Thickness General Constraint Pdw[#X<[`
MNE 0.5 !Minimum Edge Thickness General Constraint < e7
DRA S1..I YES !Draw a picture of lens system at each cycle 4O'X+dv^I
GO pTk1iGfB
!Reanalyze the system. Make sure to "Tear Off" original analysis before M}BqSzd*
!re-executing to compare optimized system #F!'B|n
!Re-execute Drawing Z}4
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VIE y}!}*Qj+/
GO '}$$ o1R
!Re-execute MTF 9?# L/
MTF $r87]y!
MFR 68 H}B%OFI \+
IFR 17 "R v],O"
GO isR|K9qf^
!Re-execute Field (Distortion) Analysis tN:PWj5
FIE b{wj4
GO o$-!E(p
!Save Lens FILE > SAVE LENS AS... #Jqa_$\.
SAV digcam20_opt
