主要是看人家的操作步骤,想学命令的人请看，十分有用 D*d]aC
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) C,4 e"yynb
Display > View Lens (accept defaults, click OK, keep window open) Cw&KVw*
In LDM spreadsheet, select surfaces 1 to Image pEA:L$&
Choose Edit > Default Variables, then click in any cell to unselect the range )Pv%#P-<
Right click in each cell and choose Vary for 0 </);g}
Thickness of surfaces 1, 4, 6 Y.p;1"
Glass of surfaces 1, 4, 6 $IpccZp A
File > Save Lens Zj'9rXhrM1
Using Quick Analysis tool bar, click… k!Y, 63V=
Quick Spot Diagram (note scale) yJIscwF
Quick Ray Aberration Plot (note scale) p4Z(^+Aa
Quick Field Plot (note scales and maximum distortion value) 3=oDQ&UFt
Analysis > Diffraction > MTF c-sf g>0 ^
Freq/Calc Tab: Maximum 68, Increment 17 scV5P Uq
Graphics tab: Max plot freq 68 ^U/O !GK
Click OK (keep window open, tear off starting MTF graph for later comparison) pMM8-R'W-
Optimization > Automatic Design 'LDQ gC*%
Output controls: Click Draw System button _|`S3}q|d
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ?}Y]|c^W
Specific constraints: pd$[8Rmj_
Click Insert Specific Constraint J#83 0r(-
Default display is Optical Definitions, Effective Focal Length (correct choice) xyXa .
Enter 8.25 for Constraint Target x
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Click OK. ~ a2}(]
File > Save Lens As (new name, digcam20_opt.len) m9;SrCN_
Re-run View Lens window to see new lens picture. .T`%tJ-Em
Re-run each of the Quick Analysis windows and note scales. E!F^H^~$8
Re-run the MTF window, compare to tear-off of starting point #KvlYZ+1
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以下直接复制到命令行即可出最终结果 uPvEwq*
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! Command inputs for Workshop 2-2 (for reference) Dw"\/p:-3
!Restore 20 Degree Digital Camera Lens Setup UPGtj" 2v-
!FILE > OPEN );YDtGip J
RES digcam20_start.len #5 uOx (>
!Vary all radii curvature by right clicking in LDM and selecting VARY #<x m.
!HINT: for curvatures highlight all and select vary. Then go back and
BTx rp
!freeze stop surface radius. /x *3}oI
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 "<gO zXpa
!Vary all thicknesses by same method. Do not select surface with solve since 3OB"#Ap8<
!varying this surface will delete solve. If mistake, use UNDO or go to C,eu9wOT
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve dc'Y `e
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 e|r`/:M
THC S8 0 !Don't forget to vary the image distance which calculates best }6ldjCT/,
!best real-ray focus from paraxial image plane %"-5 <6d
!Vary glass by highlighting, right clicking, and selecting Vary NHE 18_v5
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 e ' <)V_
!Optimize OPTIMIZATION > AUTOMATIC DESIGN J . <F"r>
AUT B)UZ`?>c
EFL Z1 = 8.25 !Effective Focal Length Constraint \b>] 8Un"
MNT 0.8 !Minimum Center Thickness General Constraint !
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MNE 0.5 !Minimum Edge Thickness General Constraint y1#1Ne_
DRA S1..I YES !Draw a picture of lens system at each cycle \{D"
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GO 2Khv>#l
!Reanalyze the system. Make sure to "Tear Off" original analysis before ee=D1 qNu;
!re-executing to compare optimized system |':{lH6+1
!Re-execute Drawing _ e2=ado
VIE d_P` qA
GO _u Il
!Re-execute MTF z(~_AN M4,
MTF & 5R&k0i r
MFR 68 K)P%;X
IFR 17 rT>wg1:
GO R@2X3s:
!Re-execute Field (Distortion) Analysis V VCZ9MVJ
FIE "Y.y:Vv;
GO jiC>d@~y
!Save Lens FILE > SAVE LENS AS... ]_$[8#kg
SAV digcam20_opt
