主要是看人家的操作步骤,想学命令的人请看，十分有用 .P5OUK
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) vm
Y*K
Display > View Lens (accept defaults, click OK, keep window open) mcqLN 5
In LDM spreadsheet, select surfaces 1 to Image Hm*?<o9mxC
Choose Edit > Default Variables, then click in any cell to unselect the range >0Gdxj]\
Right click in each cell and choose Vary for l6#ms!e
Thickness of surfaces 1, 4, 6 2GC{+*
Glass of surfaces 1, 4, 6 7t~12m8x
File > Save Lens 1sN >U<
Using Quick Analysis tool bar, click… E[2>je
Quick Spot Diagram (note scale) %kSpMj|
Quick Ray Aberration Plot (note scale) ^I]A@YNni
Quick Field Plot (note scales and maximum distortion value) [) S&PK
Analysis > Diffraction > MTF k1HVvMD<
Freq/Calc Tab: Maximum 68, Increment 17 ,J )wn;@
Graphics tab: Max plot freq 68 |\k, qVQ
Click OK (keep window open, tear off starting MTF graph for later comparison) h<I C
d'!
Optimization > Automatic Design jNu`umS
Output controls: Click Draw System button 5 w#7B
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) n 0rAOkW
Specific constraints: +o[- ED
Click Insert Specific Constraint LZF %bJv
Default display is Optical Definitions, Effective Focal Length (correct choice) O|I)HpG;
Enter 8.25 for Constraint Target !aQQq[
Click OK. rIJv(&l
File > Save Lens As (new name, digcam20_opt.len) R-lpsvDDL2
Re-run View Lens window to see new lens picture. \6 WVs>z
Re-run each of the Quick Analysis windows and note scales. }{S
f*
Re-run the MTF window, compare to tear-off of starting point .&2Nm&y$ K
---------------------------------------------------------------------------------------------- z3l(4W P
以下直接复制到命令行即可出最终结果 k^C^.[?
---------------------------------------------------------------------------------------------- ll 8Zo+-[
! Command inputs for Workshop 2-2 (for reference) ! 5zDnv
!Restore 20 Degree Digital Camera Lens Setup ~D1&CT#s
!FILE > OPEN 5%1a!M M
M
RES digcam20_start.len O\&-3#e
!Vary all radii curvature by right clicking in LDM and selecting VARY l`k""f69W
!HINT: for curvatures highlight all and select vary. Then go back and bji^b@ us_
!freeze stop surface radius. !Un &OAy.!
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 6#za\ [
!Vary all thicknesses by same method. Do not select surface with solve since -gK*&n~
!varying this surface will delete solve. If mistake, use UNDO or go to d J &f +
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve }ofx?s}
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ;VW->i a6
THC S8 0 !Don't forget to vary the image distance which calculates best <7 R+p;y
!best real-ray focus from paraxial image plane 2?)8s"Y
!Vary glass by highlighting, right clicking, and selecting Vary Pg\ !\5
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 lNs;-`I~
!Optimize OPTIMIZATION > AUTOMATIC DESIGN %]1.)j
AUT 0LD$"0v/C3
EFL Z1 = 8.25 !Effective Focal Length Constraint %(YU* Tf~
MNT 0.8 !Minimum Center Thickness General Constraint Wkj0z ]]?
MNE 0.5 !Minimum Edge Thickness General Constraint [8v>jQ)
DRA S1..I YES !Draw a picture of lens system at each cycle 'Tbdo >y
GO %=[xc?
!Reanalyze the system. Make sure to "Tear Off" original analysis before 3GVS-?
!re-executing to compare optimized system S\"#E:A
!Re-execute Drawing J@l QzRqRb
VIE /(jG9R M
GO r~q 3nIe/,
!Re-execute MTF 2PTAIm Rq
MTF ##r9 /`A
MFR 68 unD.t
IFR 17 *-\qO.4\
GO >O$ JS,
!Re-execute Field (Distortion) Analysis 3]wV 1<K
FIE >_'0 s
GO e gdbv
!Save Lens FILE > SAVE LENS AS... sEzl4 I
SAV digcam20_opt
