主要是看人家的操作步骤,想学命令的人请看，十分有用 mmAikT#k
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) y VUA7 IY
Display > View Lens (accept defaults, click OK, keep window open) /Bid :@R
In LDM spreadsheet, select surfaces 1 to Image 2K!3+D"
Choose Edit > Default Variables, then click in any cell to unselect the range II)\rVP5
Right click in each cell and choose Vary for -$? xR]( f
Thickness of surfaces 1, 4, 6 z6B/H2
Glass of surfaces 1, 4, 6 S$+vRX7
File > Save Lens 6/wAvPB$
Using Quick Analysis tool bar, click… 4!d&Zc>C4
Quick Spot Diagram (note scale) v6HBO#F'V{
Quick Ray Aberration Plot (note scale) m-dne/%_
Quick Field Plot (note scales and maximum distortion value) 2 34 OJ?
Analysis > Diffraction > MTF 3@J0- w
Freq/Calc Tab: Maximum 68, Increment 17
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Graphics tab: Max plot freq 68 x<"1T
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Click OK (keep window open, tear off starting MTF graph for later comparison) 05LVfgJ'q
Optimization > Automatic Design 9loWh5_1Z
Output controls: Click Draw System button f`.8.1Rd
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) & kHp}\
Specific constraints: S WVeUL#5
Click Insert Specific Constraint "'4 R _R
Default display is Optical Definitions, Effective Focal Length (correct choice) PSI5$Vna4p
Enter 8.25 for Constraint Target rC14X} X6
Click OK. H`njKKdR
File > Save Lens As (new name, digcam20_opt.len) 2w'Q9&1~
Re-run View Lens window to see new lens picture. 4cRF3$a md
Re-run each of the Quick Analysis windows and note scales. ~urIA/
Re-run the MTF window, compare to tear-off of starting point Ha@'%<gFe
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以下直接复制到命令行即可出最终结果 Q` 4=
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! Command inputs for Workshop 2-2 (for reference) s czN0*w&C
!Restore 20 Degree Digital Camera Lens Setup ,@tkL!"9q
!FILE > OPEN A)kx,,[
RES digcam20_start.len 8E&} +DR?
!Vary all radii curvature by right clicking in LDM and selecting VARY $/Gvz)M
!HINT: for curvatures highlight all and select vary. Then go back and sH y hR:
!freeze stop surface radius. cNtGjLpx;
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 zu5'Ex`gQa
!Vary all thicknesses by same method. Do not select surface with solve since A `T VV
!varying this surface will delete solve. If mistake, use UNDO or go to UZi ^ &
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve @ H=
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 L)a8W
THC S8 0 !Don't forget to vary the image distance which calculates best bTHKMaGWC
!best real-ray focus from paraxial image plane h8Q+fHDYv
!Vary glass by highlighting, right clicking, and selecting Vary yMq&9R9F
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 g D3s,<>o
!Optimize OPTIMIZATION > AUTOMATIC DESIGN =MEv{9_
AUT WW{5[;LYiB
EFL Z1 = 8.25 !Effective Focal Length Constraint h$)(-_c3
MNT 0.8 !Minimum Center Thickness General Constraint (wEaa'XL
MNE 0.5 !Minimum Edge Thickness General Constraint l)[\TD
DRA S1..I YES !Draw a picture of lens system at each cycle jGl8y!aM
GO _7'9 omq@
!Reanalyze the system. Make sure to "Tear Off" original analysis before n .ZLR=P4
!re-executing to compare optimized system 4*}[h9J}\
!Re-execute Drawing uM h[Ht^.
VIE = I,O+^
GO j2c -01}
!Re-execute MTF ym9Z:2g
MTF [9(tIb!x
MFR 68 (MY#;v\AYE
IFR 17 9un]}7^
GO XE*
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!Re-execute Field (Distortion) Analysis z6ISJb
FIE veAg?N<c
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GO }l~|c{WH`
!Save Lens FILE > SAVE LENS AS... ye:pGa w
SAV digcam20_opt
