主要是看人家的操作步骤,想学命令的人请看,十分有用 6<o2 0(?
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) MlV3qM@
Display > View Lens (accept defaults, click OK, keep window open) )}to7r7`
In LDM spreadsheet, select surfaces 1 to Image ==npFjB
Choose Edit > Default Variables, then click in any cell to unselect the range |.?$:D&6
Right click in each cell and choose Vary for R*O<(
Thickness of surfaces 1, 4, 6 q0*d*j F0u
Glass of surfaces 1, 4, 6 VXO.S)v2J
File > Save Lens 3Ct)5J
Using Quick Analysis tool bar, click… H~;s$!lG
Quick Spot Diagram (note scale) ,uL}O]L
Quick Ray Aberration Plot (note scale) =JE5/
Quick Field Plot (note scales and maximum distortion value) +[":W?j
Analysis > Diffraction > MTF *?~&O.R"
Freq/Calc Tab: Maximum 68, Increment 17 v[]&yD
Graphics tab: Max plot freq 68 H`OJN.
Click OK (keep window open, tear off starting MTF graph for later comparison) <O3,b:vw
Optimization > Automatic Design i4\DSQJ
Output controls: Click Draw System button ~j yl
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ^wD@)Dz
Specific constraints: 5Ve
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Click Insert Specific Constraint vw*,_f
Default display is Optical Definitions, Effective Focal Length (correct choice) ] p*Fq^
Enter 8.25 for Constraint Target R6`,}<A]@
Click OK. &~"e["gF=
File > Save Lens As (new name, digcam20_opt.len) nEgYypwr
Re-run View Lens window to see new lens picture. ~\UAxB=
Re-run each of the Quick Analysis windows and note scales. {-l:F2i
Re-run the MTF window, compare to tear-off of starting point $O9,Gvnxx
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以下直接复制到命令行即可出最终结果 5@^['S4%8*
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! Command inputs for Workshop 2-2 (for reference) <_#a%+5d
!Restore 20 Degree Digital Camera Lens Setup IN?rPdY
!FILE > OPEN |W*i'E
RES digcam20_start.len 5OC{_-
!Vary all radii curvature by right clicking in LDM and selecting VARY <xh";seL
!HINT: for curvatures highlight all and select vary. Then go back and c^7QiTt_
!freeze stop surface radius. g]9A?#GyE
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 k3UKGP1
!Vary all thicknesses by same method. Do not select surface with solve since F/:Jp3@
!varying this surface will delete solve. If mistake, use UNDO or go to 6]fz;\DgP
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ]O0:0Z\
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ;mwU>l,4
THC S8 0 !Don't forget to vary the image distance which calculates best ~y>N JM>1
!best real-ray focus from paraxial image plane ZDr&Alp)o
!Vary glass by highlighting, right clicking, and selecting Vary >#|%y>g .o
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 cm`x;[e6l
!Optimize OPTIMIZATION > AUTOMATIC DESIGN eVRjU
AUT ]dL#k>$0q
EFL Z1 = 8.25 !Effective Focal Length Constraint ]]50c
MNT 0.8 !Minimum Center Thickness General Constraint *eAzk2
MNE 0.5 !Minimum Edge Thickness General Constraint -aQf(=
DRA S1..I YES !Draw a picture of lens system at each cycle \s_`ZEB
GO c}mWAZ=wF
!Reanalyze the system. Make sure to "Tear Off" original analysis before c;7`]}fGu
!re-executing to compare optimized system :\KJw
!Re-execute Drawing lO=~&_
VIE o,_R;'\E[a
GO }o7"2hht
!Re-execute MTF t{Z:N']H
MTF 4_d'Uh&]
MFR 68 .NT9dX
IFR 17 wg=-&-
GO V]P%@<C
!Re-execute Field (Distortion) Analysis MXrh[QCU)
FIE ,_I#+XiXY
GO E\vW>g*W
!Save Lens FILE > SAVE LENS AS... A x'o|RE)x
SAV digcam20_opt