主要是看人家的操作步骤,想学命令的人请看，十分有用 >&uG1q0p.
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) m3| KIUP
Display > View Lens (accept defaults, click OK, keep window open) 7lP3\7wD@9
In LDM spreadsheet, select surfaces 1 to Image 1 \v$8pP+
Choose Edit > Default Variables, then click in any cell to unselect the range wLa^pI4p ^
Right click in each cell and choose Vary for M :m-i X
Thickness of surfaces 1, 4, 6 L,@O OBD
Glass of surfaces 1, 4, 6
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File > Save Lens sy^k:y ?
Using Quick Analysis tool bar, click… XTIRY4{
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Quick Spot Diagram (note scale) W@S'mxk#*
Quick Ray Aberration Plot (note scale) 84 PD`A
Quick Field Plot (note scales and maximum distortion value) 7Pt*V@DHS
Analysis > Diffraction > MTF |=OO$z;q|
Freq/Calc Tab: Maximum 68, Increment 17 hl4@ Y#n
Graphics tab: Max plot freq 68 , N : 'Z
Click OK (keep window open, tear off starting MTF graph for later comparison) ]mU,y$IQ
Optimization > Automatic Design `
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Output controls: Click Draw System button A<6V$e$:2
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) )p.+39]{2
Specific constraints: 2>{_O?UN
Click Insert Specific Constraint ~;ink
Default display is Optical Definitions, Effective Focal Length (correct choice) j/zD`yd j
Enter 8.25 for Constraint Target `[+9n2j
Click OK. 5io7!%
File > Save Lens As (new name, digcam20_opt.len) 0Sz&Oguv
Re-run View Lens window to see new lens picture. ;O YwZ
Re-run each of the Quick Analysis windows and note scales. kndP?#>
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Re-run the MTF window, compare to tear-off of starting point S"|sD|xOb
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以下直接复制到命令行即可出最终结果 v}6YbY Tq
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! Command inputs for Workshop 2-2 (for reference) h t^U VV2
!Restore 20 Degree Digital Camera Lens Setup )k&pp^q\
!FILE > OPEN 1B 3,lYBM
RES digcam20_start.len Rl 4r 9
!Vary all radii curvature by right clicking in LDM and selecting VARY `R@24 )
!HINT: for curvatures highlight all and select vary. Then go back and Ow \9vf6H
!freeze stop surface radius. 7YRDQjg
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 @LY 5]og
!Vary all thicknesses by same method. Do not select surface with solve since oH+UuP2a-J
!varying this surface will delete solve. If mistake, use UNDO or go to <$liWAGX\
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ` w Sg/
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 {d$S~
THC S8 0 !Don't forget to vary the image distance which calculates best da@y*TO#i
!best real-ray focus from paraxial image plane 1A23 G$D
!Vary glass by highlighting, right clicking, and selecting Vary (.,E6H|zI
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 \Rn.ug
!Optimize OPTIMIZATION > AUTOMATIC DESIGN PF .sM(
AUT XA])<dZ
EFL Z1 = 8.25 !Effective Focal Length Constraint ^ v3 +w"2
MNT 0.8 !Minimum Center Thickness General Constraint ]P0D Pea
MNE 0.5 !Minimum Edge Thickness General Constraint gB 3& A Q
DRA S1..I YES !Draw a picture of lens system at each cycle ?Di, '
GO 81a&99k #
!Reanalyze the system. Make sure to "Tear Off" original analysis before Y=G *[G#
!re-executing to compare optimized system /2u;w !oi.
!Re-execute Drawing m@JU).NKCS
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GO +!POKr
!Re-execute MTF >ge-yK 1
MTF Tu_dkif'
MFR 68 P's <M
IFR 17 K! /E0G&
GO 9BANCW"
!Re-execute Field (Distortion) Analysis Oe9{`~
FIE nGW
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GO @n(=#Q3
!Save Lens FILE > SAVE LENS AS... G%YD2<V
SAV digcam20_opt
