主要是看人家的操作步骤,想学命令的人请看，十分有用 iA|n\a~ny,
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) g* -}9~
Display > View Lens (accept defaults, click OK, keep window open) >[N6_*K]
In LDM spreadsheet, select surfaces 1 to Image V#B'm?aQ
Choose Edit > Default Variables, then click in any cell to unselect the range iOk`_LG #
Right click in each cell and choose Vary for Ax 4R$P.]u
Thickness of surfaces 1, 4, 6 cp PS8V
Glass of surfaces 1, 4, 6 b)>l7nOc
File > Save Lens (S?qxW?
Using Quick Analysis tool bar, click… sH PlNwyy
Quick Spot Diagram (note scale) )+"(7U<
Quick Ray Aberration Plot (note scale) a# Uk:O!
Quick Field Plot (note scales and maximum distortion value) LWxP}? =
Analysis > Diffraction > MTF ^U^K\rq 1u
Freq/Calc Tab: Maximum 68, Increment 17 XM 3~]
Graphics tab: Max plot freq 68 @7t*X-P.;-
Click OK (keep window open, tear off starting MTF graph for later comparison) qP+%ui5xR
Optimization > Automatic Design ]vuxeu[cu,
Output controls: Click Draw System button z<s ~ `
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) #4AqWyp#f
Specific constraints: *CV I@:Q9
Click Insert Specific Constraint _QtW)\)5 \
Default display is Optical Definitions, Effective Focal Length (correct choice) ,D.@6 bJW
Enter 8.25 for Constraint Target MIu'OJ"z~
Click OK. &m`@6\N(
File > Save Lens As (new name, digcam20_opt.len) )7m.n%B!5V
Re-run View Lens window to see new lens picture. k#2b3}(,
Re-run each of the Quick Analysis windows and note scales. Wt=%.Y( x
Re-run the MTF window, compare to tear-off of starting point <^+&A7 Q-_
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以下直接复制到命令行即可出最终结果 dCWq~[[
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! Command inputs for Workshop 2-2 (for reference) ;
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!Restore 20 Degree Digital Camera Lens Setup q#0y u"<
!FILE > OPEN { !t6&
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RES digcam20_start.len YCBUc<)
!Vary all radii curvature by right clicking in LDM and selecting VARY B~3qEdoK5`
!HINT: for curvatures highlight all and select vary. Then go back and R?] S<Z
!freeze stop surface radius. zB "y^g
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 m.U&O=] 5
!Vary all thicknesses by same method. Do not select surface with solve since >BjZ{7?Ok
!varying this surface will delete solve. If mistake, use UNDO or go to /pp;3JPf
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve i;67< f}-
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 j2|UuWU
THC S8 0 !Don't forget to vary the image distance which calculates best PkK#H D
!best real-ray focus from paraxial image plane xQ=L2p X
!Vary glass by highlighting, right clicking, and selecting Vary ++}#pl8e
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 UvGX+M,z'
!Optimize OPTIMIZATION > AUTOMATIC DESIGN i,/Q.XL
AUT ([ hd
EFL Z1 = 8.25 !Effective Focal Length Constraint Zk # C!]=
MNT 0.8 !Minimum Center Thickness General Constraint s3)T}52
MNE 0.5 !Minimum Edge Thickness General Constraint Uc j>gc=
DRA S1..I YES !Draw a picture of lens system at each cycle !_:|mu'
GO ^p~ 3H
!Reanalyze the system. Make sure to "Tear Off" original analysis before sv*xO7D.
!re-executing to compare optimized system -<5H8P-
!Re-execute Drawing )<L?3Jjt5
VIE Byns 6k
GO (<yQA. M
!Re-execute MTF kJ0otr2P
MTF o&HFlDZ5jO
MFR 68 i^/D_L.
IFR 17 .7 H* F9
GO 7=4V1FS6i
!Re-execute Field (Distortion) Analysis !7uFH PK-
FIE Va\?"dH>M
GO YfH+kDT
!Save Lens FILE > SAVE LENS AS... 3q1u9` 4;
SAV digcam20_opt
