主要是看人家的操作步骤,想学命令的人请看，十分有用 clG3t
eC
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) >4LX!^V"
Display > View Lens (accept defaults, click OK, keep window open) l a|#SS95
In LDM spreadsheet, select surfaces 1 to Image 97F$$d54T
Choose Edit > Default Variables, then click in any cell to unselect the range ~g1@-)zYxK
Right click in each cell and choose Vary for wT*`Od8w
Thickness of surfaces 1, 4, 6 6K?+ad Klc
Glass of surfaces 1, 4, 6 RD{jYr;
File > Save Lens % fA0XRM
Using Quick Analysis tool bar, click… -lb} }z+/
Quick Spot Diagram (note scale) =jg!@H=_i
Quick Ray Aberration Plot (note scale) .(1=iL_3e
Quick Field Plot (note scales and maximum distortion value) yMX4 f
Analysis > Diffraction > MTF -cY /M~
Freq/Calc Tab: Maximum 68, Increment 17 FY#`]124*
Graphics tab: Max plot freq 68 bsqoR8
Click OK (keep window open, tear off starting MTF graph for later comparison) aW w`v[v
Optimization > Automatic Design eUF PzioW
Output controls: Click Draw System button 8b6:n1<fn
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ]r|.\}2Y7
Specific constraints: ,Z MYCl]
Click Insert Specific Constraint -bo0!@MK
Default display is Optical Definitions, Effective Focal Length (correct choice) d{ OY
Enter 8.25 for Constraint Target &W.tjqmw
Click OK. kIXLB!L2b^
File > Save Lens As (new name, digcam20_opt.len) ^9 cqT2:t
Re-run View Lens window to see new lens picture. DU}q4u@ )
Re-run each of the Quick Analysis windows and note scales. L d#
Re-run the MTF window, compare to tear-off of starting point v oC<
/}E
---------------------------------------------------------------------------------------------- :*}tkr4&eh
以下直接复制到命令行即可出最终结果 F!zZIaB]
---------------------------------------------------------------------------------------------- LjxTRtB_
! Command inputs for Workshop 2-2 (for reference) P d*}0a~
!Restore 20 Degree Digital Camera Lens Setup W%vh7>.
!FILE > OPEN "uZ'oN
RES digcam20_start.len xu&
v(C9
!Vary all radii curvature by right clicking in LDM and selecting VARY 0qR;Z{k
!HINT: for curvatures highlight all and select vary. Then go back and l9P~,Ec4''
!freeze stop surface radius. !aLByMA
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 zg8m (=k'
!Vary all thicknesses by same method. Do not select surface with solve since 3 5|5|m a
!varying this surface will delete solve. If mistake, use UNDO or go to xo ^_;(;
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 7J$ ^R6rh
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 \% ^<Ll
THC S8 0 !Don't forget to vary the image distance which calculates best fFSW\4JD=
!best real-ray focus from paraxial image plane {
" $2
!Vary glass by highlighting, right clicking, and selecting Vary ]!0*k#i_.
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 z %mM#X
!Optimize OPTIMIZATION > AUTOMATIC DESIGN $Fd9iJ!k
AUT {/#?n["
EFL Z1 = 8.25 !Effective Focal Length Constraint FUq@
dUv
MNT 0.8 !Minimum Center Thickness General Constraint ps<JKHC/c
MNE 0.5 !Minimum Edge Thickness General Constraint d&R/f Im
DRA S1..I YES !Draw a picture of lens system at each cycle hr]NW>;
GO -qx Z3
!Reanalyze the system. Make sure to "Tear Off" original analysis before &?zJ|7rh@|
!re-executing to compare optimized system S1`+r0Fk~n
!Re-execute Drawing X)~JX}-L
VIE (`>4~?|+T
GO W e9C9)0
!Re-execute MTF _NqEhf:8
MTF yVh]hL#4+w
MFR 68 W d Ir 3
IFR 17 PPE: @!u<
GO '<1 T>|`/t
!Re-execute Field (Distortion) Analysis {#Gr=iv~N
FIE 3R4-MK
GO + T UtVG
!Save Lens FILE > SAVE LENS AS... C7q bofo V
SAV digcam20_opt
