主要是看人家的操作步骤,想学命令的人请看，十分有用 )7k&`?Mh
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) / =-6:L
Display > View Lens (accept defaults, click OK, keep window open) d&5c_6oW
In LDM spreadsheet, select surfaces 1 to Image 8,_ -0_^$
Choose Edit > Default Variables, then click in any cell to unselect the range wy YtpW
Right click in each cell and choose Vary for _/ct=
Thickness of surfaces 1, 4, 6 </|)"OD9
Glass of surfaces 1, 4, 6 })KJ60B
File > Save Lens M5F(<,n;
Using Quick Analysis tool bar, click… |7 ]? >-
Quick Spot Diagram (note scale) fEB195#@9
Quick Ray Aberration Plot (note scale) Z@}sCZ=#A
Quick Field Plot (note scales and maximum distortion value) 6NzBpur 2H
Analysis > Diffraction > MTF 'YBi5_
Freq/Calc Tab: Maximum 68, Increment 17 TN J<!6
Graphics tab: Max plot freq 68 '7t|I6$ow
Click OK (keep window open, tear off starting MTF graph for later comparison) "havi,m
Optimization > Automatic Design E2kW=6VO>|
Output controls: Click Draw System button `bzr_fJ
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) { >wI8
Specific constraints: 5dqQws-,?1
Click Insert Specific Constraint i3D<`\;r
Default display is Optical Definitions, Effective Focal Length (correct choice) d3Y(SPO
Enter 8.25 for Constraint Target Wgav>7!9
Click OK. F%9cS
:
File > Save Lens As (new name, digcam20_opt.len) |MR%{ZC^i
Re-run View Lens window to see new lens picture. /7 31.l
Re-run each of the Quick Analysis windows and note scales. Ir!2^:]!
Re-run the MTF window, compare to tear-off of starting point P87ld._
---------------------------------------------------------------------------------------------- L'13BRu`
以下直接复制到命令行即可出最终结果 d [) _sa
---------------------------------------------------------------------------------------------- `'*F 1F
! Command inputs for Workshop 2-2 (for reference) ax<g0=^R
!Restore 20 Degree Digital Camera Lens Setup }iD$4\ L
!FILE > OPEN $4DFgvy$
RES digcam20_start.len yQ8M >H#J
!Vary all radii curvature by right clicking in LDM and selecting VARY "|F. 'qZrm
!HINT: for curvatures highlight all and select vary. Then go back and #m[vn^8B]y
!freeze stop surface radius. m{vT_ ei
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Zy HIMo|
!Vary all thicknesses by same method. Do not select surface with solve since wTHK=n\i
!varying this surface will delete solve. If mistake, use UNDO or go to _t$lcOT
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 3aEt >x
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 1a5?)D
THC S8 0 !Don't forget to vary the image distance which calculates best 03~+-h& n
!best real-ray focus from paraxial image plane Ok*VQKyDLH
!Vary glass by highlighting, right clicking, and selecting Vary ?6 8$3;
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 c =jcvDQ6W
!Optimize OPTIMIZATION > AUTOMATIC DESIGN tDEXm^B2Sv
AUT L& I`
#
EFL Z1 = 8.25 !Effective Focal Length Constraint ^a086n
MNT 0.8 !Minimum Center Thickness General Constraint w}IL
8L(D
MNE 0.5 !Minimum Edge Thickness General Constraint 3?.6K0L
DRA S1..I YES !Draw a picture of lens system at each cycle mG>T`c|r3
GO ,D:iQDG^
!Reanalyze the system. Make sure to "Tear Off" original analysis before yEE|e&#>
!re-executing to compare optimized system =ZCH 1J5"
!Re-execute Drawing tU9rCL:P
VIE <+<)xwOQ ]
GO P=f<#l"v
!Re-execute MTF n wY2BIB
MTF :5r:I[FFy
MFR 68 G A'*58
IFR 17 -;sJ25(
GO CbnR<W-j
!Re-execute Field (Distortion) Analysis DfAiL(
FIE u86J.K1Q
GO /Lq;w'|I
!Save Lens FILE > SAVE LENS AS... +`Q
PBj^
SAV digcam20_opt
