主要是看人家的操作步骤,想学命令的人请看，十分有用 dczq,evp
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 4YSVy2x
Display > View Lens (accept defaults, click OK, keep window open) "Q`Le{
In LDM spreadsheet, select surfaces 1 to Image ei Q42x@Z
Choose Edit > Default Variables, then click in any cell to unselect the range E?0Vo%Vh
Right click in each cell and choose Vary for 9~J#> C0}
Thickness of surfaces 1, 4, 6 t3b M 4+n
Glass of surfaces 1, 4, 6 N*f ]NCSi
File > Save Lens dsn(h5,Q'
Using Quick Analysis tool bar, click… _;,"!'R`f
Quick Spot Diagram (note scale) . {vMn0c
Quick Ray Aberration Plot (note scale) ?PYZW5
Quick Field Plot (note scales and maximum distortion value) mX%T"_^
Analysis > Diffraction > MTF T QtHU6
Freq/Calc Tab: Maximum 68, Increment 17 ]$BC f4:
Graphics tab: Max plot freq 68 ^Wr L
Click OK (keep window open, tear off starting MTF graph for later comparison) AqAL)`#K
Optimization > Automatic Design Ss3~X90!*B
Output controls: Click Draw System button *nK4XgD
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) UX' q64F!
Specific constraints: mM r$~^P:
Click Insert Specific Constraint ?kK3%uJy&
Default display is Optical Definitions, Effective Focal Length (correct choice) 8!{
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Enter 8.25 for Constraint Target _^g4/G#13c
Click OK. "A* ; V
File > Save Lens As (new name, digcam20_opt.len) q|}O-A*wa
Re-run View Lens window to see new lens picture. z(u,$vZ _
Re-run each of the Quick Analysis windows and note scales. VU1Wr |
Re-run the MTF window, compare to tear-off of starting point Xf[;^?] X
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以下直接复制到命令行即可出最终结果 I
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! Command inputs for Workshop 2-2 (for reference) !+z&] S3s
!Restore 20 Degree Digital Camera Lens Setup ;Y,zlq2
!FILE > OPEN vJ{F)0 K
RES digcam20_start.len 3 Q~0b+k
!Vary all radii curvature by right clicking in LDM and selecting VARY 2tg 07
!HINT: for curvatures highlight all and select vary. Then go back and 1#*^+A E
!freeze stop surface radius. =te4p@
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 OnH3Ss$
!Vary all thicknesses by same method. Do not select surface with solve since &7,:: $cu
!varying this surface will delete solve. If mistake, use UNDO or go to ,rjl|F*
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!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve N,Js8Z"
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 K^h9\< w
THC S8 0 !Don't forget to vary the image distance which calculates best XgyLlp;,O
!best real-ray focus from paraxial image plane +4p=a [
!Vary glass by highlighting, right clicking, and selecting Vary oWx^_wQ-=
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ;<*%BtD?
!Optimize OPTIMIZATION > AUTOMATIC DESIGN B6j/"x6N15
AUT oVr:ZwkG3
EFL Z1 = 8.25 !Effective Focal Length Constraint PI@?I&Bo
MNT 0.8 !Minimum Center Thickness General Constraint <(_ Tanx9Q
MNE 0.5 !Minimum Edge Thickness General Constraint IEd?-L
DRA S1..I YES !Draw a picture of lens system at each cycle K ,6{c^qf
GO ;Ea 8>
!Reanalyze the system. Make sure to "Tear Off" original analysis before ?LJiFG]^m
!re-executing to compare optimized system a*t @k*d_
!Re-execute Drawing /bn$@Cy@
VIE F vTswM>
GO cNikLd~?A
!Re-execute MTF RUq[HxF)
6
MTF j;qV+Rq]t
MFR 68 Ly/
IFR 17 ]t~'wL #Z
GO 0>46ZzxUZ
!Re-execute Field (Distortion) Analysis r,3\32[?
FIE Vc6
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GO aI=Q_}8-
!Save Lens FILE > SAVE LENS AS... *VH Wvj
SAV digcam20_opt
