主要是看人家的操作步骤,想学命令的人请看，十分有用 Q.*qU,4);
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) H [w J; l
Display > View Lens (accept defaults, click OK, keep window open) $W<H[k&(B
In LDM spreadsheet, select surfaces 1 to Image [=z1~dXKb
Choose Edit > Default Variables, then click in any cell to unselect the range r :{2}nE
Right click in each cell and choose Vary for @NWjYHM[`
Thickness of surfaces 1, 4, 6 /pan {.< k
Glass of surfaces 1, 4, 6 F #Uxl%h
File > Save Lens (YVl5}V
Using Quick Analysis tool bar, click… .h ~M&d!
Quick Spot Diagram (note scale) %<6oKE
Quick Ray Aberration Plot (note scale) #O6SEK|Z
Quick Field Plot (note scales and maximum distortion value) LyH8T'C~
Analysis > Diffraction > MTF e S8tsI
Freq/Calc Tab: Maximum 68, Increment 17 6Xb\a^ q
Graphics tab: Max plot freq 68 ]:(>r&'
Click OK (keep window open, tear off starting MTF graph for later comparison) FY)v rM*yh
Optimization > Automatic Design Q:& ,8h[
Output controls: Click Draw System button TOdH
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) "aHY] E{
Specific constraints: \:mx Ri
Click Insert Specific Constraint VI,z7
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Default display is Optical Definitions, Effective Focal Length (correct choice) Z#BwJHh
Enter 8.25 for Constraint Target %H75u 6
Click OK. B(w k $2
File > Save Lens As (new name, digcam20_opt.len) kbJ/7
Re-run View Lens window to see new lens picture. C(Ujx=G+3
Re-run each of the Quick Analysis windows and note scales. @ +h2R
Re-run the MTF window, compare to tear-off of starting point QDYS}{A:V
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以下直接复制到命令行即可出最终结果 g6 o-/A!Q3
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! Command inputs for Workshop 2-2 (for reference) [X0Wfb}{
!Restore 20 Degree Digital Camera Lens Setup ]`0(^)U &
!FILE > OPEN r VowHP
RES digcam20_start.len 9a 9<I
!Vary all radii curvature by right clicking in LDM and selecting VARY xRpL\4cs
!HINT: for curvatures highlight all and select vary. Then go back and :P #
!freeze stop surface radius. D{'x7!5r
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 "2;$?*hO#
!Vary all thicknesses by same method. Do not select surface with solve since Idop!b5!
!varying this surface will delete solve. If mistake, use UNDO or go to S!A)kK+
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve {\ [u2{
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 <Z{ \3X^
THC S8 0 !Don't forget to vary the image distance which calculates best m:5 *:Ii.
!best real-ray focus from paraxial image plane FKY|xG9
!Vary glass by highlighting, right clicking, and selecting Vary 3GUO
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 k<wX ? ?'
!Optimize OPTIMIZATION > AUTOMATIC DESIGN GQhzQM1HS
AUT gm~Ka%O|F
EFL Z1 = 8.25 !Effective Focal Length Constraint zD}d vI}
MNT 0.8 !Minimum Center Thickness General Constraint I&Q.MI tW
MNE 0.5 !Minimum Edge Thickness General Constraint y5B4t6M(
DRA S1..I YES !Draw a picture of lens system at each cycle 7].t t
GO *X8<hYKZq
!Reanalyze the system. Make sure to "Tear Off" original analysis before mwVH>3{j
!re-executing to compare optimized system C9`#57 Pp
!Re-execute Drawing #X'!wr|-
VIE 34_:.QK-
GO <^ 6|ZgR
!Re-execute MTF = q9>~E{}
MTF }&sF
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MFR 68 !q=ej^(S
IFR 17 K Art4+31
GO cJ j4qX F
!Re-execute Field (Distortion) Analysis 3$[!BPLFO
FIE 9Slx.9f
GO b7Jk{x #u
!Save Lens FILE > SAVE LENS AS... 5 BR9f3}
SAV digcam20_opt
