主要是看人家的操作步骤,想学命令的人请看，十分有用 1F0];{a
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) NV{= tAR
Display > View Lens (accept defaults, click OK, keep window open) 7dB_q}<
In LDM spreadsheet, select surfaces 1 to Image 8=f+ `e
Choose Edit > Default Variables, then click in any cell to unselect the range +c]D2@ctG
Right click in each cell and choose Vary for o|84yT!~
Thickness of surfaces 1, 4, 6 yIpgZ0:h
Glass of surfaces 1, 4, 6 H^B,b !5i
File > Save Lens hms Aim9i
Using Quick Analysis tool bar, click… y4n~gTo(?
Quick Spot Diagram (note scale) F-~Xb z%
Quick Ray Aberration Plot (note scale) ~nj+ " d]
Quick Field Plot (note scales and maximum distortion value) P-^-~/>n
Analysis > Diffraction > MTF CucW84H`J
Freq/Calc Tab: Maximum 68, Increment 17 }7%ol&<@
Graphics tab: Max plot freq 68 92,@tNQQ}
Click OK (keep window open, tear off starting MTF graph for later comparison) 9l&G2 o
Optimization > Automatic Design o=5hG9dj
Output controls: Click Draw System button m T j
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) lzFg(Ds!f
Specific constraints: Ak`?,*L M
Click Insert Specific Constraint l) KN5V
Default display is Optical Definitions, Effective Focal Length (correct choice) N1n\tA?
Enter 8.25 for Constraint Target K;`*n7=IA
Click OK. 7 oYD;li$k
File > Save Lens As (new name, digcam20_opt.len) `x L@%
Re-run View Lens window to see new lens picture. NXOvC!<
Re-run each of the Quick Analysis windows and note scales. LBpAR|
Re-run the MTF window, compare to tear-off of starting point F')E)tV
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以下直接复制到命令行即可出最终结果 %<q"&]e,
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! Command inputs for Workshop 2-2 (for reference) &$qIJvMiK
!Restore 20 Degree Digital Camera Lens Setup u0u z~ s
!FILE > OPEN ,:81DA
RES digcam20_start.len )B @&q.2B=
!Vary all radii curvature by right clicking in LDM and selecting VARY 2<2a3'pG
!HINT: for curvatures highlight all and select vary. Then go back and hg+;!|ha
!freeze stop surface radius. SN QLEe
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 lvk*Db$
!Vary all thicknesses by same method. Do not select surface with solve since 9 771D
!varying this surface will delete solve. If mistake, use UNDO or go to el^<M, 7!
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve F zBny[F
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ryd}-_ LL
THC S8 0 !Don't forget to vary the image distance which calculates best Z%-uyT@a
!best real-ray focus from paraxial image plane w6 B`_Z'f
!Vary glass by highlighting, right clicking, and selecting Vary b` 9Zin
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ~3Z(0 gujD
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Oo\~' I
AUT 5kv]k?
EFL Z1 = 8.25 !Effective Focal Length Constraint &)~LGWBdC
MNT 0.8 !Minimum Center Thickness General Constraint mL, {ZL ^
MNE 0.5 !Minimum Edge Thickness General Constraint M?$tHA~OX
DRA S1..I YES !Draw a picture of lens system at each cycle SYOU &*
GO 8H SGOs =8
!Reanalyze the system. Make sure to "Tear Off" original analysis before t6+>Zr
!re-executing to compare optimized system URTJA<r8D
!Re-execute Drawing %ZlnGr
VIE 0g@*N4
GO l o >:S1
!Re-execute MTF y+VR D
MTF @qsOWx`l$
MFR 68 & *&
IFR 17 JAL"On#c#0
GO rHtX4;f+><
!Re-execute Field (Distortion) Analysis 6tM@I`l
FIE st CFLYox
GO Yr:$)a p
!Save Lens FILE > SAVE LENS AS... 0I.!
SAV digcam20_opt
