主要是看人家的操作步骤,想学命令的人请看，十分有用 M5xC C!
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Z!ha fhcX
Display > View Lens (accept defaults, click OK, keep window open) ^^5&QSB:'
In LDM spreadsheet, select surfaces 1 to Image _i/t?7
Choose Edit > Default Variables, then click in any cell to unselect the range 4;2< ^[M
Right click in each cell and choose Vary for 0v9rv.Y"
Thickness of surfaces 1, 4, 6 mEG#>Gg$
Glass of surfaces 1, 4, 6 ) /z@vY
File > Save Lens G "73= 8d
Using Quick Analysis tool bar, click… qWmQ-|Py
Quick Spot Diagram (note scale) ULQMG'P^D
Quick Ray Aberration Plot (note scale) &197P7&o
Quick Field Plot (note scales and maximum distortion value) N!g9 *Z
Analysis > Diffraction > MTF ;[fw]P n
Freq/Calc Tab: Maximum 68, Increment 17 qK)73eNSR
Graphics tab: Max plot freq 68 ]xuG&O"SBV
Click OK (keep window open, tear off starting MTF graph for later comparison) $m42:a mM
Optimization > Automatic Design D9z|VIw8
Output controls: Click Draw System button H,b5C_D29
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) hZ.Z3`v70
Specific constraints: {)-aSywe
Click Insert Specific Constraint )I3NeKWz
Default display is Optical Definitions, Effective Focal Length (correct choice) fMOU$0]$<
Enter 8.25 for Constraint Target |+T1XYG5
Click OK. 0{= `on;
File > Save Lens As (new name, digcam20_opt.len) Hla0 5N' 4
Re-run View Lens window to see new lens picture. =5\|[NSK-
Re-run each of the Quick Analysis windows and note scales. u,&^&0K,
Re-run the MTF window, compare to tear-off of starting point nw-I|PVTNa
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以下直接复制到命令行即可出最终结果 # 5f-`~^C{
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! Command inputs for Workshop 2-2 (for reference) KQ~i<1&j
!Restore 20 Degree Digital Camera Lens Setup KN*
!FILE > OPEN M%@ !cW
RES digcam20_start.len Dc_y M
!Vary all radii curvature by right clicking in LDM and selecting VARY lyGhdg Wc
!HINT: for curvatures highlight all and select vary. Then go back and &uO%_6J
!freeze stop surface radius. 9]@A]p!
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 bFW =ylF9
!Vary all thicknesses by same method. Do not select surface with solve since -4cXRv]
!varying this surface will delete solve. If mistake, use UNDO or go to |9B.mBoX
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ?Orxmxc
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0
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THC S8 0 !Don't forget to vary the image distance which calculates best 0PWg;>^'
!best real-ray focus from paraxial image plane U-|NY
!Vary glass by highlighting, right clicking, and selecting Vary Z:*76PP,
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 (2=Zm@Zp f
!Optimize OPTIMIZATION > AUTOMATIC DESIGN l g-X:Z.
AUT L|,!?cSAT
EFL Z1 = 8.25 !Effective Focal Length Constraint +u3=dj"[
MNT 0.8 !Minimum Center Thickness General Constraint 9T 1ZL5
MNE 0.5 !Minimum Edge Thickness General Constraint PbmDNKEh{
DRA S1..I YES !Draw a picture of lens system at each cycle sJDas,7>
GO <"_d ]?,
!Reanalyze the system. Make sure to "Tear Off" original analysis before O<,\^[x
!re-executing to compare optimized system `b^Ru+(dM
!Re-execute Drawing ]bK=FIK2
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GO lR(+tj)9uO
!Re-execute MTF D ^x-^6^
MTF VSSu &Q
MFR 68 "OdXY" G
IFR 17 PBp^|t]E>
GO W' s
!Re-execute Field (Distortion) Analysis !Ze5)g%H
FIE Gg B,tam{p
GO lqm1!5dt
!Save Lens FILE > SAVE LENS AS... 1 A\OC
SAV digcam20_opt
