主要是看人家的操作步骤,想学命令的人请看，十分有用 RL@VSHXc
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) xy/`ZS2WPq
Display > View Lens (accept defaults, click OK, keep window open) xSsa(b
In LDM spreadsheet, select surfaces 1 to Image #FCnA
Choose Edit > Default Variables, then click in any cell to unselect the range [S9K6%w_!
Right click in each cell and choose Vary for
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Thickness of surfaces 1, 4, 6 KWowN;
Glass of surfaces 1, 4, 6 8<pzb}xK
File > Save Lens 4C61GB?Vy
Using Quick Analysis tool bar, click… ~obqG!2m
Quick Spot Diagram (note scale) r%yvOF\>
Quick Ray Aberration Plot (note scale) ?mFv0_!O
Quick Field Plot (note scales and maximum distortion value) [B#R94
Analysis > Diffraction > MTF jET{L e8i
Freq/Calc Tab: Maximum 68, Increment 17 5HkKurab
Graphics tab: Max plot freq 68 jjw`Dto&
Click OK (keep window open, tear off starting MTF graph for later comparison) ) NXmn95
Optimization > Automatic Design S1Wj 8P-
Output controls: Click Draw System button K1"*.\?F
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 7Bzq,2s
Specific constraints: {JZZZY!n2
Click Insert Specific Constraint !;Yg/'vD-
Default display is Optical Definitions, Effective Focal Length (correct choice) 8dZSi
Enter 8.25 for Constraint Target cu7hBf j
Click OK. Y)0*b5?1r
File > Save Lens As (new name, digcam20_opt.len) O`x;, 6Vr
Re-run View Lens window to see new lens picture. V@e?#iz
Re-run each of the Quick Analysis windows and note scales. CrC^1K
Re-run the MTF window, compare to tear-off of starting point WM7oM~&{6
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以下直接复制到命令行即可出最终结果 ^84G%)`&
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! Command inputs for Workshop 2-2 (for reference) BP'36?=Zo
!Restore 20 Degree Digital Camera Lens Setup 5[k/s}g
!FILE > OPEN ]'!f28Ng-
RES digcam20_start.len #>b3"[ |
!Vary all radii curvature by right clicking in LDM and selecting VARY [R(`W#W
!HINT: for curvatures highlight all and select vary. Then go back and y~ AVei&
!freeze stop surface radius. &=Ar
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 OE_XCZ!5P
!Vary all thicknesses by same method. Do not select surface with solve since @=bLDTx;c)
!varying this surface will delete solve. If mistake, use UNDO or go to ]/[FR 5>
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve A-Sv;/ yD_
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 >kj`7GA
THC S8 0 !Don't forget to vary the image distance which calculates best 3oGt3 F{gZ
!best real-ray focus from paraxial image plane :q$.,EZ4#n
!Vary glass by highlighting, right clicking, and selecting Vary =x%dNf$e{W
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 4IB9 ,?p
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ]fx"4qKM
AUT @Lpq~ 1eZB
EFL Z1 = 8.25 !Effective Focal Length Constraint 8'r2D+Vwm
MNT 0.8 !Minimum Center Thickness General Constraint ][gq#Vx @
MNE 0.5 !Minimum Edge Thickness General Constraint 1-%fo~!l
DRA S1..I YES !Draw a picture of lens system at each cycle b3&zjjQ
GO q+H%)kF
!Reanalyze the system. Make sure to "Tear Off" original analysis before ;(f) &Yom
!re-executing to compare optimized system @TLS<~
!Re-execute Drawing wa<MRt W=
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GO _X^1IaL
!Re-execute MTF -[ *,^Ti`
MTF Y l4^AR&
MFR 68 4x {0iav
IFR 17 'DY`jVwa
GO N=4G=0 `ke
!Re-execute Field (Distortion) Analysis 3QV *%
FIE ?J%1#1L"/
GO yCd-9zb=
!Save Lens FILE > SAVE LENS AS... ^Z vWR%
SAV digcam20_opt
