主要是看人家的操作步骤,想学命令的人请看，十分有用 !lm^(SSv
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) +z+25qWi
Display > View Lens (accept defaults, click OK, keep window open) L q'*B9
In LDM spreadsheet, select surfaces 1 to Image @Rig@
Choose Edit > Default Variables, then click in any cell to unselect the range ]]d9\fw
Right click in each cell and choose Vary for G2ZF `WQ
Thickness of surfaces 1, 4, 6 @bmu4!"d
Glass of surfaces 1, 4, 6 9x ?" %b
File > Save Lens $ n`<,;^l
Using Quick Analysis tool bar, click… kMo;<Z
Quick Spot Diagram (note scale) ^> .?k h9z
Quick Ray Aberration Plot (note scale) %LXk9K^]e
Quick Field Plot (note scales and maximum distortion value) @Q !f^
Analysis > Diffraction > MTF $EN A$
Freq/Calc Tab: Maximum 68, Increment 17 k
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Graphics tab: Max plot freq 68 ?:s `}b
Click OK (keep window open, tear off starting MTF graph for later comparison)
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Optimization > Automatic Design $ bF.6
Output controls: Click Draw System button D4}WJMQ7s
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) &w*.S@ ;
Specific constraints: WU Q2[)<
Click Insert Specific Constraint B*zb0hdo:
Default display is Optical Definitions, Effective Focal Length (correct choice) :o*{ .
Enter 8.25 for Constraint Target I/| )?
Click OK. |D$U{5}Mv
File > Save Lens As (new name, digcam20_opt.len) 2Q|Vg*x\U
Re-run View Lens window to see new lens picture. n/p M[gI
Re-run each of the Quick Analysis windows and note scales. C;oP"K]4=
Re-run the MTF window, compare to tear-off of starting point t .j q]L
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以下直接复制到命令行即可出最终结果 W6K]jIQ
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! Command inputs for Workshop 2-2 (for reference)
M)Y u^
!Restore 20 Degree Digital Camera Lens Setup wS%I.
!FILE > OPEN j08 G-_Gjn
RES digcam20_start.len bo$xonV @y
!Vary all radii curvature by right clicking in LDM and selecting VARY Z]1~9:7ap
!HINT: for curvatures highlight all and select vary. Then go back and 2"'0OQN0\
!freeze stop surface radius. |5F]y"Nb
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 gA 2Il8K
!Vary all thicknesses by same method. Do not select surface with solve since r1 }OlVbK
!varying this surface will delete solve. If mistake, use UNDO or go to !z{bqPlFGG
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve G- Sw`HHo
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 TqKL(Qw
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THC S8 0 !Don't forget to vary the image distance which calculates best wQ2'%T|t
!best real-ray focus from paraxial image plane m589C+7
!Vary glass by highlighting, right clicking, and selecting Vary ^ ^}
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 X3!btxa% t
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ?)",}X L6
AUT .J %} ROm
EFL Z1 = 8.25 !Effective Focal Length Constraint ,`P,) )
MNT 0.8 !Minimum Center Thickness General Constraint S@Yb)">ZQ
MNE 0.5 !Minimum Edge Thickness General Constraint _R8)%<E
DRA S1..I YES !Draw a picture of lens system at each cycle *VIM!/YW
GO "%A/bv\u
!Reanalyze the system. Make sure to "Tear Off" original analysis before < hZA$.W3
!re-executing to compare optimized system }qc [ysDK]
!Re-execute Drawing d7It}7@9
VIE =Q.2:*d.
GO }f^K}*sK$5
!Re-execute MTF [9z<*@$-
MTF fF_1ZKx+#!
MFR 68 S%Pk@n`z]
IFR 17 |I^\|5
GO dB<BEe\$g.
!Re-execute Field (Distortion) Analysis n 4>
FIE +m:U9K(\h
GO "0`r]5 5d
!Save Lens FILE > SAVE LENS AS... ?j ?{} Z
SAV digcam20_opt
