主要是看人家的操作步骤,想学命令的人请看，十分有用 ZfU_4Pl->
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) C;` fOCz^
Display > View Lens (accept defaults, click OK, keep window open) s6I]H
In LDM spreadsheet, select surfaces 1 to Image Z5Cv$bUc
Choose Edit > Default Variables, then click in any cell to unselect the range {<@~;iq
Right click in each cell and choose Vary for pyKMi /)bL
Thickness of surfaces 1, 4, 6 `*]r.u0
Glass of surfaces 1, 4, 6 _[ x(p 6Xp
File > Save Lens i! NGX
Using Quick Analysis tool bar, click… ~$`b{
Quick Spot Diagram (note scale) hf[K\aAk
Quick Ray Aberration Plot (note scale) LBg#KQ @
Quick Field Plot (note scales and maximum distortion value) zv41Yv!x}
Analysis > Diffraction > MTF m<E7cY3mX
Freq/Calc Tab: Maximum 68, Increment 17 jVDNTh m+
Graphics tab: Max plot freq 68 Po5}Vh
Click OK (keep window open, tear off starting MTF graph for later comparison) ,Gfnf%H\8>
Optimization > Automatic Design x {rt\OT
Output controls: Click Draw System button 04s N 4C
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) \ys3&<;b
Specific constraints: MmX42;Pw
Click Insert Specific Constraint jV(IS D
Default display is Optical Definitions, Effective Focal Length (correct choice) #r1x0s40D
Enter 8.25 for Constraint Target rP'oU V_
Click OK. bnlL-]]9z
File > Save Lens As (new name, digcam20_opt.len) ` F)Iv:;y,
Re-run View Lens window to see new lens picture. IAfYlS#<yD
Re-run each of the Quick Analysis windows and note scales. | :\h3M
Re-run the MTF window, compare to tear-off of starting point hm& ~6 rB
---------------------------------------------------------------------------------------------- .}tL:^'~o
以下直接复制到命令行即可出最终结果 Z 5\6ca
---------------------------------------------------------------------------------------------- " -a>Uj")%
! Command inputs for Workshop 2-2 (for reference) 8) i\d`
!Restore 20 Degree Digital Camera Lens Setup ?mV[TM{p
!FILE > OPEN ]SQ_* $`
RES digcam20_start.len T/H*Bo *=5
!Vary all radii curvature by right clicking in LDM and selecting VARY 9DIG K\
!HINT: for curvatures highlight all and select vary. Then go back and /F \7_
!freeze stop surface radius. W?@ ;(k
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 j 1BYSfX'
!Vary all thicknesses by same method. Do not select surface with solve since zmdOL9"a
!varying this surface will delete solve. If mistake, use UNDO or go to ? f%@8%px
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve <a'j8pw9i
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 cJt#8P
THC S8 0 !Don't forget to vary the image distance which calculates best r@_;L>
!best real-ray focus from paraxial image plane m _pK'jc
!Vary glass by highlighting, right clicking, and selecting Vary B$\5=[U
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 !l'Zar
!Optimize OPTIMIZATION > AUTOMATIC DESIGN C. Sb4i*
AUT 8} U/fQ~
EFL Z1 = 8.25 !Effective Focal Length Constraint 7B'0(70
MNT 0.8 !Minimum Center Thickness General Constraint }RD, JgmV
MNE 0.5 !Minimum Edge Thickness General Constraint R)#"Ab Z'
DRA S1..I YES !Draw a picture of lens system at each cycle S`NH6?/uH
GO 5vS'Qhc
!Reanalyze the system. Make sure to "Tear Off" original analysis before !XK p_v
!re-executing to compare optimized system =14p Ee
!Re-execute Drawing 3m x7[Q
VIE W7.]V)$wM
GO *QrTZ$\C
!Re-execute MTF *`dGapd3
MTF le*pd+> j
MFR 68 j3$KYf`T}
IFR 17 b+ {yF
GO Z
r vb
%
!Re-execute Field (Distortion) Analysis ]+J]}C]\d
FIE l!GAMK 6o
GO \;Ii(3+ v;
!Save Lens FILE > SAVE LENS AS... ^ .k}YSWut
SAV digcam20_opt
