主要是看人家的操作步骤,想学命令的人请看，十分有用 BRD'5 1]|
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 5GJ0E Z'X
Display > View Lens (accept defaults, click OK, keep window open) uCu,'F,6Y
In LDM spreadsheet, select surfaces 1 to Image G' Q7(c
Choose Edit > Default Variables, then click in any cell to unselect the range ^CK)q2K>[
Right click in each cell and choose Vary for [BQw$8 +n_
Thickness of surfaces 1, 4, 6 CMBW]b|
Glass of surfaces 1, 4, 6 K<]fElh-
File > Save Lens <,E*,&0W
Using Quick Analysis tool bar, click… z}Z`kq+C
Quick Spot Diagram (note scale) g
Go
Quick Ray Aberration Plot (note scale) 0[1 !K&(L
Quick Field Plot (note scales and maximum distortion value) /XSPVc<
Analysis > Diffraction > MTF <;6 ])
Freq/Calc Tab: Maximum 68, Increment 17 L\Jl'r|
Graphics tab: Max plot freq 68 @^` <iTK&p
Click OK (keep window open, tear off starting MTF graph for later comparison) Nu_ w@T\l
Optimization > Automatic Design 4o*V12_r'4
Output controls: Click Draw System button }a9C /t3
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) `>sqP aD
Specific constraints: 9#iDrZW
Click Insert Specific Constraint 42wcpSp
Default display is Optical Definitions, Effective Focal Length (correct choice) hL` zV
Enter 8.25 for Constraint Target R$fna[Xw@/
Click OK. `5 6QX'?
File > Save Lens As (new name, digcam20_opt.len) 6 #KI?
6
Re-run View Lens window to see new lens picture. fjWh}w8
Re-run each of the Quick Analysis windows and note scales. OpL 6Y+<
Re-run the MTF window, compare to tear-off of starting point +
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---------------------------------------------------------------------------------------------- Wl#^Eu\g1W
以下直接复制到命令行即可出最终结果 {cv;S2
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! Command inputs for Workshop 2-2 (for reference) .HQ<6k:
!Restore 20 Degree Digital Camera Lens Setup 4 P;O8KA5y
!FILE > OPEN }-L@AC/\#
RES digcam20_start.len 2 T3DV])Q
!Vary all radii curvature by right clicking in LDM and selecting VARY =P#!>*\ar
!HINT: for curvatures highlight all and select vary. Then go back and yQA[X}
!freeze stop surface radius. (Z$6J Nkz
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 &!a 2%%1#N
!Vary all thicknesses by same method. Do not select surface with solve since ;Bb5KD
!varying this surface will delete solve. If mistake, use UNDO or go to <kSaSW
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve W<LaR,7
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 z}8YrVr@
THC S8 0 !Don't forget to vary the image distance which calculates best "B}08C,?
!best real-ray focus from paraxial image plane GiZ'IDV
!Vary glass by highlighting, right clicking, and selecting Vary YxtkI:C?
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 }}1/Ede{5
!Optimize OPTIMIZATION > AUTOMATIC DESIGN v 2 GhR*
AUT . zAafi0
EFL Z1 = 8.25 !Effective Focal Length Constraint -{*V)J_Co
MNT 0.8 !Minimum Center Thickness General Constraint ]-'9|N*}l
MNE 0.5 !Minimum Edge Thickness General Constraint >slN:dr0:
DRA S1..I YES !Draw a picture of lens system at each cycle BP[U`
!
GO u}1 vn} F{
!Reanalyze the system. Make sure to "Tear Off" original analysis before "r
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!re-executing to compare optimized system N 9&@,3
!Re-execute Drawing >Y'yM4e*
VIE 8@aS9 th$
GO 4) 3pa *
!Re-execute MTF na3kHx@
MTF X{xJ*T y'
MFR 68 N ]7a=
IFR 17 }AiS 83B
GO [U(&Ae0V>
!Re-execute Field (Distortion) Analysis tTFoS[V
FIE (<C%5xk
GO vEe
!Save Lens FILE > SAVE LENS AS... E
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SAV digcam20_opt
