主要是看人家的操作步骤,想学命令的人请看，十分有用 #b0{#^S:
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) bE uaOBc
Display > View Lens (accept defaults, click OK, keep window open) v{x{=M]
In LDM spreadsheet, select surfaces 1 to Image s=I'e/"7
Choose Edit > Default Variables, then click in any cell to unselect the range ;)0w:Zn/[
Right click in each cell and choose Vary for (kBP(2V
Thickness of surfaces 1, 4, 6 9< CG s3\
Glass of surfaces 1, 4, 6 d?,M/$h
File > Save Lens 3+7^uR$/I4
Using Quick Analysis tool bar, click… w*j$uW6{
Quick Spot Diagram (note scale) N^?9ZO
Quick Ray Aberration Plot (note scale) ^>4o$ }
Quick Field Plot (note scales and maximum distortion value) =8 G&3 R
Analysis > Diffraction > MTF %T`U^ Pnr
Freq/Calc Tab: Maximum 68, Increment 17 Y OyX[& oi
Graphics tab: Max plot freq 68 t6N*6ld2b
Click OK (keep window open, tear off starting MTF graph for later comparison) v *hRz;
Optimization > Automatic Design gW(gJ;
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Output controls: Click Draw System button
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General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) Jw n AW}=
Specific constraints: J<j&;:IRd
Click Insert Specific Constraint zRl~^~sY
Default display is Optical Definitions, Effective Focal Length (correct choice) /BKe+]dS*
Enter 8.25 for Constraint Target n;XWMY
Click OK. *mG`_9
File > Save Lens As (new name, digcam20_opt.len) ` r Y2up#%
Re-run View Lens window to see new lens picture. jLg@ FDb~
Re-run each of the Quick Analysis windows and note scales. ["<nq`~
Re-run the MTF window, compare to tear-off of starting point OV CR0
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以下直接复制到命令行即可出最终结果 iyx>q!P
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! Command inputs for Workshop 2-2 (for reference) "H MP$)d
!Restore 20 Degree Digital Camera Lens Setup
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!FILE > OPEN sE(HZR1
RES digcam20_start.len d=.2 @Ry
!Vary all radii curvature by right clicking in LDM and selecting VARY i h L/n
!HINT: for curvatures highlight all and select vary. Then go back and "GT 4s?6O
!freeze stop surface radius. 9e!NOl\_;.
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 beY=g7|
!Vary all thicknesses by same method. Do not select surface with solve since \@a$'
!varying this surface will delete solve. If mistake, use UNDO or go to nHFrG
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!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve RH)EB<PV
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Zzua17
THC S8 0 !Don't forget to vary the image distance which calculates best ytEC
!best real-ray focus from paraxial image plane yQS+P8x&|]
!Vary glass by highlighting, right clicking, and selecting Vary 6" T ['6:j
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 C@ y8.#l
!Optimize OPTIMIZATION > AUTOMATIC DESIGN sf} D h
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EFL Z1 = 8.25 !Effective Focal Length Constraint :)f7A7 :;
MNT 0.8 !Minimum Center Thickness General Constraint Ha>*?`?yI
MNE 0.5 !Minimum Edge Thickness General Constraint "kMzmo=Pv5
DRA S1..I YES !Draw a picture of lens system at each cycle |8_ JY2
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GO jP vDFT^d/
!Reanalyze the system. Make sure to "Tear Off" original analysis before $L4/I !Yf
!re-executing to compare optimized system _Yb _ D/
!Re-execute Drawing Q }k.JS~#
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GO #PvB/ 3
!Re-execute MTF Huw\&E
MTF AZ |yX
MFR 68 7"X>?@
IFR 17 ` D7C?M#j]
GO }n,Zl>T9
!Re-execute Field (Distortion) Analysis $>M<j
FIE x LBQ
GO z Z -wG
!Save Lens FILE > SAVE LENS AS... +KGZ HO!
SAV digcam20_opt
