主要是看人家的操作步骤,想学命令的人请看，十分有用 =1 zRm >m
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) $'COsiK7
Display > View Lens (accept defaults, click OK, keep window open) e(vnnv?R{
In LDM spreadsheet, select surfaces 1 to Image D;6C2>U~L
Choose Edit > Default Variables, then click in any cell to unselect the range _^`TG ]F
Right click in each cell and choose Vary for ESni r6HoU
Thickness of surfaces 1, 4, 6 zin'&G>l
Glass of surfaces 1, 4, 6 cpM]APF-
File > Save Lens ~z7Fz"o<
Using Quick Analysis tool bar, click… s"x(i
Quick Spot Diagram (note scale) h`4!Qv
Quick Ray Aberration Plot (note scale) M\r=i>(cu
Quick Field Plot (note scales and maximum distortion value) (>`S{L
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Analysis > Diffraction > MTF [#+klP$
Freq/Calc Tab: Maximum 68, Increment 17 m.c2y6<=
Graphics tab: Max plot freq 68 x/IAc6H~_8
Click OK (keep window open, tear off starting MTF graph for later comparison) -* W\$ P
Optimization > Automatic Design 6NG QU%Hd
Output controls: Click Draw System button Wx 8n)
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 2tZ\/6G<
Specific constraints: RSIhZYA
Click Insert Specific Constraint S y^et
Default display is Optical Definitions, Effective Focal Length (correct choice) Nl9}*3r
Enter 8.25 for Constraint Target pf#~ |n#t
Click OK. 2D 4c|R@+
File > Save Lens As (new name, digcam20_opt.len) "O8iO!:
Re-run View Lens window to see new lens picture. 4Q~++PKBe
Re-run each of the Quick Analysis windows and note scales. \:E=B 1
Re-run the MTF window, compare to tear-off of starting point M7//*Q'?
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以下直接复制到命令行即可出最终结果 *ch7z|wo.
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! Command inputs for Workshop 2-2 (for reference)
DlQ*'PX7
!Restore 20 Degree Digital Camera Lens Setup VEBv S>i*
!FILE > OPEN rDC=rG
RES digcam20_start.len ltOsl-OpR
!Vary all radii curvature by right clicking in LDM and selecting VARY J1Oe`my
!HINT: for curvatures highlight all and select vary. Then go back and mw~$;64;a
!freeze stop surface radius. 9''x'E=|
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 nS]Ih 0( K
!Vary all thicknesses by same method. Do not select surface with solve since [k60=$y
!varying this surface will delete solve. If mistake, use UNDO or go to \hZye20
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve M^0^l9 w
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 b;"Z`/h
THC S8 0 !Don't forget to vary the image distance which calculates best 4']eJ==OH
!best real-ray focus from paraxial image plane 'y|p)r"
!Vary glass by highlighting, right clicking, and selecting Vary XT{ukEvDR
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 `\Te ,
!Optimize OPTIMIZATION > AUTOMATIC DESIGN | yi#6!}^
AUT `$ZBIe/u
EFL Z1 = 8.25 !Effective Focal Length Constraint h:4F?'W
MNT 0.8 !Minimum Center Thickness General Constraint 6<{Sb E|G{
MNE 0.5 !Minimum Edge Thickness General Constraint 6dKJt
DRA S1..I YES !Draw a picture of lens system at each cycle -x+K#T0Z
GO yX CJ?
!Reanalyze the system. Make sure to "Tear Off" original analysis before 0t -=*7w%
!re-executing to compare optimized system R'h.lX
!Re-execute Drawing &@z
M<A
VIE SFVqUg3"Z
GO I?KGb:]|
!Re-execute MTF $q0i=l&$&
MTF E6clVa
MFR 68 2I0Zr;\f
IFR 17 uw{ K&Hxw
GO 0E/16@6=
!Re-execute Field (Distortion) Analysis 'h `) 6{
FIE zUz j
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GO {3K`yDF
!Save Lens FILE > SAVE LENS AS... sEcg;LFp
SAV digcam20_opt
