主要是看人家的操作步骤,想学命令的人请看，十分有用 IbwRb
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) #0H[RU?
Display > View Lens (accept defaults, click OK, keep window open) 4tTJE <y
In LDM spreadsheet, select surfaces 1 to Image essW,2,rjC
Choose Edit > Default Variables, then click in any cell to unselect the range NWj@iyi<
Right click in each cell and choose Vary for k JF HUR
Thickness of surfaces 1, 4, 6 3 Re\ T
Glass of surfaces 1, 4, 6 pB LO
File > Save Lens M qH~L?~}|
Using Quick Analysis tool bar, click… yK3z3"1M?
Quick Spot Diagram (note scale) @kymL8"2w
Quick Ray Aberration Plot (note scale) j]SkBZgik
Quick Field Plot (note scales and maximum distortion value) 7C^ nk
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Analysis > Diffraction > MTF px@\b]/
Freq/Calc Tab: Maximum 68, Increment 17 ^Yz05\
Graphics tab: Max plot freq 68 {*Pp^ r
Click OK (keep window open, tear off starting MTF graph for later comparison) R0'EoX
Optimization > Automatic Design cIjsUqKa
Output controls: Click Draw System button g7i 6Y j1
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) TaG-^bX8B
Specific constraints: CVp<SS(
Click Insert Specific Constraint ?Pc 3*.
Default display is Optical Definitions, Effective Focal Length (correct choice) k6S<46}h|
Enter 8.25 for Constraint Target Y1IlH8+0
Click OK. Q8i6kf!
File > Save Lens As (new name, digcam20_opt.len) 2=EKAg=S
Re-run View Lens window to see new lens picture. <X*8X zmv
Re-run each of the Quick Analysis windows and note scales. <^ {: K`
Re-run the MTF window, compare to tear-off of starting point ,pz C J@5
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以下直接复制到命令行即可出最终结果 |&7 ,g
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! Command inputs for Workshop 2-2 (for reference) B?Skw{&
!Restore 20 Degree Digital Camera Lens Setup (z7#KJ1+Aw
!FILE > OPEN T:$_1I $
RES digcam20_start.len +_Z/VQv
!Vary all radii curvature by right clicking in LDM and selecting VARY `m^O nH
!HINT: for curvatures highlight all and select vary. Then go back and qzz'v
!freeze stop surface radius. ri
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CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 g_U69
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!Vary all thicknesses by same method. Do not select surface with solve since $}fA ;BP
!varying this surface will delete solve. If mistake, use UNDO or go to 5@ug1F&
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve eHR<(8c'f
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0
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THC S8 0 !Don't forget to vary the image distance which calculates best L8ke*O$
!best real-ray focus from paraxial image plane T^_9R;
!Vary glass by highlighting, right clicking, and selecting Vary lDeWs %n
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 se[}; t:
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 0J~4
AUT -}@9 lhS,
EFL Z1 = 8.25 !Effective Focal Length Constraint >Fz$DKr[
MNT 0.8 !Minimum Center Thickness General Constraint #ZA
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MNE 0.5 !Minimum Edge Thickness General Constraint }T,uw8?f!
DRA S1..I YES !Draw a picture of lens system at each cycle hh9{md\
GO [@6iStRg7
!Reanalyze the system. Make sure to "Tear Off" original analysis before @#apOoVW>
!re-executing to compare optimized system %L 3 ]l
!Re-execute Drawing }JD(e}8$!
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GO ?F/3]lsggT
!Re-execute MTF |k+^D :
MTF jTnu! H2o
MFR 68 DZue .or
IFR 17 }kpkHq"`f
GO uZ+<
!Re-execute Field (Distortion) Analysis
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GO ( yfT kBy
!Save Lens FILE > SAVE LENS AS... 9\F^\h{
SAV digcam20_opt
