主要是看人家的操作步骤,想学命令的人请看，十分有用 2LR y/ah
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) ]cv|d c=
Display > View Lens (accept defaults, click OK, keep window open) Z*f%R\u
In LDM spreadsheet, select surfaces 1 to Image 8X.=
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Choose Edit > Default Variables, then click in any cell to unselect the range QcX\z \'vg
Right click in each cell and choose Vary for qy.$5-e:[9
Thickness of surfaces 1, 4, 6 ra6\+M~}e
Glass of surfaces 1, 4, 6 jUKMDl H
File > Save Lens z; P#
Using Quick Analysis tool bar, click… &]LpG l
Quick Spot Diagram (note scale) h,B4Tg'
Quick Ray Aberration Plot (note scale) [ `1` E1X
Quick Field Plot (note scales and maximum distortion value) ab2Cn|F
Analysis > Diffraction > MTF ! [1a P,
Freq/Calc Tab: Maximum 68, Increment 17 *k; bkd4x
Graphics tab: Max plot freq 68 P7z Uf
Click OK (keep window open, tear off starting MTF graph for later comparison) M ;b3-
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Optimization > Automatic Design ,u^{zYoW
Output controls: Click Draw System button iZiT/#, H2
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) tY]? 2u%)
Specific constraints: n*ShYsc
Click Insert Specific Constraint uF|_6~ g
Default display is Optical Definitions, Effective Focal Length (correct choice) #:N#i
Enter 8.25 for Constraint Target L fc y#3!
Click OK. ,SNrc wv
File > Save Lens As (new name, digcam20_opt.len) _aOs8#(X
Re-run View Lens window to see new lens picture. gm,AH85
Re-run each of the Quick Analysis windows and note scales. 0,)2\`99#k
Re-run the MTF window, compare to tear-off of starting point A D<>)(
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以下直接复制到命令行即可出最终结果 %qo.n v
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! Command inputs for Workshop 2-2 (for reference) $:oC \K6
!Restore 20 Degree Digital Camera Lens Setup ~Gmt,l! b
!FILE > OPEN ZiQ<SSo:
RES digcam20_start.len 9 Xl#$d5
!Vary all radii curvature by right clicking in LDM and selecting VARY QICxSk
!HINT: for curvatures highlight all and select vary. Then go back and j;E$7QH[
!freeze stop surface radius. T%& vq6
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 %i/|}K
!Vary all thicknesses by same method. Do not select surface with solve since ;` Xm?N
!varying this surface will delete solve. If mistake, use UNDO or go to !ry+{ v+A
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve dmXfz D
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 LTzdg >\oJ
THC S8 0 !Don't forget to vary the image distance which calculates best {wA8!5Gu
!best real-ray focus from paraxial image plane =O"]e/CfO
!Vary glass by highlighting, right clicking, and selecting Vary lEwQj[ k
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 [^ r8P:Ad
!Optimize OPTIMIZATION > AUTOMATIC DESIGN [t3 Kgj t
AUT " ld d&><
EFL Z1 = 8.25 !Effective Focal Length Constraint (pv}>1
MNT 0.8 !Minimum Center Thickness General Constraint b?KdR5
MNE 0.5 !Minimum Edge Thickness General Constraint /3rNX}tOMH
DRA S1..I YES !Draw a picture of lens system at each cycle HBvyX`-
GO BF2U$-k4
!Reanalyze the system. Make sure to "Tear Off" original analysis before k ZF<~ U
!re-executing to compare optimized system Rh)XYCM
!Re-execute Drawing @$^4Av-
VIE L5zCL0j`
GO N0^SWA|S
!Re-execute MTF 4 FZR }e\
MTF J;>~PXB
MFR 68 9M7P|Q
IFR 17 Cj4Y, N
GO ko[d axUB
!Re-execute Field (Distortion) Analysis <yE ApWd;
FIE WHv6E!^\_
GO _+aR| AEC
!Save Lens FILE > SAVE LENS AS... hGrX,.zj
SAV digcam20_opt
