主要是看人家的操作步骤,想学命令的人请看，十分有用 I`g&>
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) l`X ?C~JhJ
Display > View Lens (accept defaults, click OK, keep window open) )`W|J%w+
In LDM spreadsheet, select surfaces 1 to Image =mcQe^M
Choose Edit > Default Variables, then click in any cell to unselect the range `GY]JVW
Right click in each cell and choose Vary for `W1TqA
Thickness of surfaces 1, 4, 6 U F89gG4
Glass of surfaces 1, 4, 6 Edcv>}PfE
File > Save Lens w_QWTD 0
Using Quick Analysis tool bar, click… uz3 ?c6b
Quick Spot Diagram (note scale) B'vIL '
Quick Ray Aberration Plot (note scale) td$RDtW[3
Quick Field Plot (note scales and maximum distortion value) r@'~cF]m
Analysis > Diffraction > MTF /a-s9<
Freq/Calc Tab: Maximum 68, Increment 17 $kR%G {j 4
Graphics tab: Max plot freq 68 &!'R'{/?X
Click OK (keep window open, tear off starting MTF graph for later comparison) @l_rB~
Optimization > Automatic Design mL;oR 4{
Output controls: Click Draw System button `tKs|GQf
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ]D2 d=\
Specific constraints: hS%oQ)zvE
Click Insert Specific Constraint y<v-,b*
Default display is Optical Definitions, Effective Focal Length (correct choice) K^b'<} $|p
Enter 8.25 for Constraint Target 8yZs>Og?
Click OK. /6 x[C
File > Save Lens As (new name, digcam20_opt.len) A&-2f]L
tl
Re-run View Lens window to see new lens picture. _a`/{ M|
Re-run each of the Quick Analysis windows and note scales. %(\et%[]
Re-run the MTF window, compare to tear-off of starting point 'XYjo& w
---------------------------------------------------------------------------------------------- pd.pY*B<[
以下直接复制到命令行即可出最终结果 H:z<]Rc
---------------------------------------------------------------------------------------------- +j8-l-o
! Command inputs for Workshop 2-2 (for reference) &RHx8zScP
!Restore 20 Degree Digital Camera Lens Setup YXU2UIY<~
!FILE > OPEN Y31e1
RES digcam20_start.len RO'b)J:j9
!Vary all radii curvature by right clicking in LDM and selecting VARY c47.,oTo
!HINT: for curvatures highlight all and select vary. Then go back and wwa)VgoS[
!freeze stop surface radius. ^O"o-3dte
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 pYUQSsqC
!Vary all thicknesses by same method. Do not select surface with solve since iWe'|Br
!varying this surface will delete solve. If mistake, use UNDO or go to wo86C[
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 1wggYX
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 w(y
9y9r]
THC S8 0 !Don't forget to vary the image distance which calculates best $TAsb>W!(
!best real-ray focus from paraxial image plane w,!N{hv(
!Vary glass by highlighting, right clicking, and selecting Vary q((%sWp
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ehMpo B L
!Optimize OPTIMIZATION > AUTOMATIC DESIGN %wJ?+D/
AUT A- #c1KU!
EFL Z1 = 8.25 !Effective Focal Length Constraint )fke;Y0
MNT 0.8 !Minimum Center Thickness General Constraint O;( n[k
MNE 0.5 !Minimum Edge Thickness General Constraint |Ur$H!oe?'
DRA S1..I YES !Draw a picture of lens system at each cycle Q$yQ ^ mG
GO Orlf5 {P
!Reanalyze the system. Make sure to "Tear Off" original analysis before m='_ O+ $
!re-executing to compare optimized system ,LU|WXRB
!Re-execute Drawing a3 t||@v!
VIE {'?PGk%v
GO W#x~x| (c
!Re-execute MTF `n`HwDo;i
MTF ]9 9; 7
MFR 68 ORIX cj]
IFR 17 j 4(f1
GO ' H1k
!Re-execute Field (Distortion) Analysis sA,2gbW
FIE Bthp_cSmLs
GO kNrd=s,-]D
!Save Lens FILE > SAVE LENS AS... `;s#/ `c|/
SAV digcam20_opt
