主要是看人家的操作步骤,想学命令的人请看，十分有用 $LF
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) $I7/FZP
Display > View Lens (accept defaults, click OK, keep window open) `[ ;b#.
In LDM spreadsheet, select surfaces 1 to Image Svmyg]
Choose Edit > Default Variables, then click in any cell to unselect the range i cf[.
Right click in each cell and choose Vary for ReCmv/AE
Thickness of surfaces 1, 4, 6 Hop$w
Glass of surfaces 1, 4, 6 EMe6Z!k
File > Save Lens $z+iB;x
Using Quick Analysis tool bar, click… AVR9G^ce_
Quick Spot Diagram (note scale) nJ|8#U7
Quick Ray Aberration Plot (note scale) 2 b] 'KiX
Quick Field Plot (note scales and maximum distortion value) $e|G# mMd-
Analysis > Diffraction > MTF 7FVu [Qu
Freq/Calc Tab: Maximum 68, Increment 17 Yp`6305f
Graphics tab: Max plot freq 68 nr>g0_%m
Click OK (keep window open, tear off starting MTF graph for later comparison) @awaN
Optimization > Automatic Design pX]*&[X?
Output controls: Click Draw System button jG0{>P#+
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) Xz=MM0o
Specific constraints: rSD!u0c [
Click Insert Specific Constraint d{f3R8~Q.
Default display is Optical Definitions, Effective Focal Length (correct choice) ]rDf3_!m(
Enter 8.25 for Constraint Target WG;1[o&
Click OK. X?b]5?K;r
File > Save Lens As (new name, digcam20_opt.len) m%$z&<!
Re-run View Lens window to see new lens picture. <=V2~
asB
Re-run each of the Quick Analysis windows and note scales. :XMw=" u=
Re-run the MTF window, compare to tear-off of starting point ?J+[|*'yK
---------------------------------------------------------------------------------------------- bu RXzSR
以下直接复制到命令行即可出最终结果 ctOC.
---------------------------------------------------------------------------------------------- Ho?+ ?YJ#P
! Command inputs for Workshop 2-2 (for reference) j8@YoD5o
!Restore 20 Degree Digital Camera Lens Setup )@3ce'
!FILE > OPEN GG\]}UjX
RES digcam20_start.len )}?'1ciHI
!Vary all radii curvature by right clicking in LDM and selecting VARY ke~O+]
!HINT: for curvatures highlight all and select vary. Then go back and 'jeGERMr'
!freeze stop surface radius. cW,wN~
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 O!z H5
!Vary all thicknesses by same method. Do not select surface with solve since sb_>D`>
!varying this surface will delete solve. If mistake, use UNDO or go to .b vB8VOrW
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve "gdm RE{x
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 A~-e?.
THC S8 0 !Don't forget to vary the image distance which calculates best 9c806>]U^
!best real-ray focus from paraxial image plane Z b7KHKO{
!Vary glass by highlighting, right clicking, and selecting Vary v|jBRK U99
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0
:X F;v
!Optimize OPTIMIZATION > AUTOMATIC DESIGN @4h .?
AUT (]>c8;o#b
EFL Z1 = 8.25 !Effective Focal Length Constraint mY.[AIB
MNT 0.8 !Minimum Center Thickness General Constraint Q Q97BP7W
MNE 0.5 !Minimum Edge Thickness General Constraint =4y ME
DRA S1..I YES !Draw a picture of lens system at each cycle WB5[!
GO !5 %c`4
!Reanalyze the system. Make sure to "Tear Off" original analysis before gyieS Xz[
!re-executing to compare optimized system :SSe0ZZ_6b
!Re-execute Drawing Y{@ez
VIE Cdi u*#f
GO Aa.bE,W
!Re-execute MTF ^MUtmzh
MTF br <,?
MFR 68 F%6al, 8P
IFR 17 J}KATpHs
GO mN_RB{g{
!Re-execute Field (Distortion) Analysis ^Ebaq`{V\'
FIE a)4.[+wnRf
GO cy ?u
*
!Save Lens FILE > SAVE LENS AS... tp_*U,
SAV digcam20_opt
