主要是看人家的操作步骤,想学命令的人请看，十分有用 ` FAZA C\
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) &+df@U6i
Display > View Lens (accept defaults, click OK, keep window open) >uJU25)|
In LDM spreadsheet, select surfaces 1 to Image [ip}f4K
Choose Edit > Default Variables, then click in any cell to unselect the range Y"E*#1/
Right click in each cell and choose Vary for N.-*ig.YR7
Thickness of surfaces 1, 4, 6 #X*=oG
Glass of surfaces 1, 4, 6 }kMKA.O"
File > Save Lens ZC9S 0Z
Using Quick Analysis tool bar, click… TJs ~}&L
Quick Spot Diagram (note scale) **F-#",
Quick Ray Aberration Plot (note scale) ]_2<uK}fg
Quick Field Plot (note scales and maximum distortion value) :CG;: ( |
Analysis > Diffraction > MTF i"#zb&~nF
Freq/Calc Tab: Maximum 68, Increment 17 #<yKG \X?
Graphics tab: Max plot freq 68 $#FA/+<&$
Click OK (keep window open, tear off starting MTF graph for later comparison) @ "0n8y
Optimization > Automatic Design Y | aaZ|+
Output controls: Click Draw System button Y {2L[5_ 1
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) :@J.!dokF
Specific constraints: HQ^:5 XH
Click Insert Specific Constraint )`}4rD^b
Default display is Optical Definitions, Effective Focal Length (correct choice) ig4mj47wJ
Enter 8.25 for Constraint Target <ugy-vSv
Click OK. / a$B8,
File > Save Lens As (new name, digcam20_opt.len) lA,*]Mr~
Re-run View Lens window to see new lens picture. O:+?:aI@
Re-run each of the Quick Analysis windows and note scales. _tfi6UQ&lY
Re-run the MTF window, compare to tear-off of starting point !Z%pdqo`.
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以下直接复制到命令行即可出最终结果 KHo DD=O
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! Command inputs for Workshop 2-2 (for reference) 77;|PKE /
!Restore 20 Degree Digital Camera Lens Setup ;b ^" b{
!FILE > OPEN @!%HEs!# #
RES digcam20_start.len {\ J%i|u
!Vary all radii curvature by right clicking in LDM and selecting VARY e%KCcU
!HINT: for curvatures highlight all and select vary. Then go back and + E M^
!freeze stop surface radius. dA$qzQ
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 D*!9K8<o
!Vary all thicknesses by same method. Do not select surface with solve since N683!wNX
!varying this surface will delete solve. If mistake, use UNDO or go to =VF %Z[Gm
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve M(<.f}yZQ
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 AP(%m';
THC S8 0 !Don't forget to vary the image distance which calculates best 8Oo16LPD
!best real-ray focus from paraxial image plane ? 9;r|G
!Vary glass by highlighting, right clicking, and selecting Vary YbuS[l 8
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 1^ y^b{
!Optimize OPTIMIZATION > AUTOMATIC DESIGN "sUmk e-#
AUT u-HBmL
EFL Z1 = 8.25 !Effective Focal Length Constraint </|m^$v
MNT 0.8 !Minimum Center Thickness General Constraint B# [.c$
MNE 0.5 !Minimum Edge Thickness General Constraint {'[S.r`
DRA S1..I YES !Draw a picture of lens system at each cycle n!%'%%o2v
GO p-B
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!Reanalyze the system. Make sure to "Tear Off" original analysis before $ @<cZ4
!re-executing to compare optimized system $WG<
!Re-execute Drawing ^MUvd
VIE xoN? [
GO /U@Y2$TOF
!Re-execute MTF 3/4r\%1b+
MTF '%[r 9 w
MFR 68 g5~wdhpb
IFR 17 WXCZ
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GO VU \{<j{
!Re-execute Field (Distortion) Analysis Ll0"<G2t
FIE 1g_Dkv|D
GO #\gx.2W7
!Save Lens FILE > SAVE LENS AS... gt Rs||
SAV digcam20_opt
