主要是看人家的操作步骤,想学命令的人请看，十分有用 / _-?NZ
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) yAG4W[
Display > View Lens (accept defaults, click OK, keep window open) 'CjcOI
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In LDM spreadsheet, select surfaces 1 to Image tn+i5Eso
Choose Edit > Default Variables, then click in any cell to unselect the range i*..]!7e
Right click in each cell and choose Vary for ik_Ll|
Thickness of surfaces 1, 4, 6 .<^dv?@
Glass of surfaces 1, 4, 6 p82&X+v/p
File > Save Lens 0!o&=Qh
Using Quick Analysis tool bar, click… Sb> ;k(;`:
Quick Spot Diagram (note scale) o~<37J3).
Quick Ray Aberration Plot (note scale) v$p<6^kJ
Quick Field Plot (note scales and maximum distortion value) pY!@w0.
Analysis > Diffraction > MTF P )_ g t
Freq/Calc Tab: Maximum 68, Increment 17 zGj0 '!!-
Graphics tab: Max plot freq 68 M/ :kh,3
Click OK (keep window open, tear off starting MTF graph for later comparison) \;I%>yOIu
Optimization > Automatic Design #JYv1F
Output controls: Click Draw System button fxXZ^#2wX
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) }N:0%Gk[;
Specific constraints: ,xuqQ;JX
Click Insert Specific Constraint `Q<hL {AH
Default display is Optical Definitions, Effective Focal Length (correct choice) Jj*XnL*
Enter 8.25 for Constraint Target 3%|LMX]M5_
Click OK. ^,
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File > Save Lens As (new name, digcam20_opt.len) )i0\U
Re-run View Lens window to see new lens picture. 0diQfu)Fi
Re-run each of the Quick Analysis windows and note scales. NwIl~FNK
Re-run the MTF window, compare to tear-off of starting point c>:}~.~T
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以下直接复制到命令行即可出最终结果 ]L^X}[SH
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! Command inputs for Workshop 2-2 (for reference) epJVs0W
!Restore 20 Degree Digital Camera Lens Setup &`0y<0z
!FILE > OPEN 9(QY~F
RES digcam20_start.len gnlGL[r|
!Vary all radii curvature by right clicking in LDM and selecting VARY ;<Oe\ X
!HINT: for curvatures highlight all and select vary. Then go back and P7&a~N$T6W
!freeze stop surface radius. ~4.Tq{
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 d2'9C 6t
!Vary all thicknesses by same method. Do not select surface with solve since I?lQN$A.E
!varying this surface will delete solve. If mistake, use UNDO or go to aU<0<Dx
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve GQ[: vX`
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 j0>S )Q
THC S8 0 !Don't forget to vary the image distance which calculates best %g^dB M#
!best real-ray focus from paraxial image plane |t1D8 ){!
!Vary glass by highlighting, right clicking, and selecting Vary J )oa:Q
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 V?kJYf(<
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 2 .p7fu
AUT `E8m> q Ss
EFL Z1 = 8.25 !Effective Focal Length Constraint Z=|:D,&
MNT 0.8 !Minimum Center Thickness General Constraint ~!E% GCyFy
MNE 0.5 !Minimum Edge Thickness General Constraint vE;`y46&r
DRA S1..I YES !Draw a picture of lens system at each cycle ZtlF]k:MV
GO lfOF]Kiqr
!Reanalyze the system. Make sure to "Tear Off" original analysis before 4>uz'j<
!re-executing to compare optimized system Yn+/yz5k_
!Re-execute Drawing &Y\Vh}
VIE _&D I_'5q+
GO 1u:OzyJy
!Re-execute MTF MlkTrKdGi
MTF _:x/\ 8P
MFR 68 Fx~= mYU
IFR 17 yd]W',c
GO 4Smno%jq
!Re-execute Field (Distortion) Analysis 6k%N\!_TUW
FIE ;E l"dqH
GO J Xo_l
!Save Lens FILE > SAVE LENS AS... , b
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SAV digcam20_opt
