主要是看人家的操作步骤,想学命令的人请看，十分有用 Yhk6Uog{4
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 54wM8' +
Display > View Lens (accept defaults, click OK, keep window open) P#F_>GB
In LDM spreadsheet, select surfaces 1 to Image 1<ehV
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Choose Edit > Default Variables, then click in any cell to unselect the range ]
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Right click in each cell and choose Vary for Tn xU/)
Thickness of surfaces 1, 4, 6 r8+*|$K
Glass of surfaces 1, 4, 6 sZEgsrJh
File > Save Lens ^#7viZ*
Using Quick Analysis tool bar, click… {DS\!0T-X
Quick Spot Diagram (note scale) L"9 Gc
Quick Ray Aberration Plot (note scale) ,W8au"
Quick Field Plot (note scales and maximum distortion value) X{s/``n
Analysis > Diffraction > MTF J 5- rp|
Freq/Calc Tab: Maximum 68, Increment 17 HIrEv
Graphics tab: Max plot freq 68 taixBNv
Click OK (keep window open, tear off starting MTF graph for later comparison)
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Optimization > Automatic Design B%y! aQep
Output controls: Click Draw System button h^v9|~ZJ'7
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) :SQ Lf OQ
Specific constraints: X -v~o/r7
Click Insert Specific Constraint |zb`&tv}
Default display is Optical Definitions, Effective Focal Length (correct choice) Kf&r21h
Enter 8.25 for Constraint Target Z3 G m
Click OK. ;h~?ko
File > Save Lens As (new name, digcam20_opt.len) 0tSA|->(
Re-run View Lens window to see new lens picture. FQQ@kP$.
Re-run each of the Quick Analysis windows and note scales. T[m ~6
Re-run the MTF window, compare to tear-off of starting point f{f_g8f[
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以下直接复制到命令行即可出最终结果 bt0djJRw
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! Command inputs for Workshop 2-2 (for reference) GU 5W|b S
!Restore 20 Degree Digital Camera Lens Setup O <bDU0s{M
!FILE > OPEN Ys)+9yPPn
RES digcam20_start.len (
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!Vary all radii curvature by right clicking in LDM and selecting VARY X+d&OcO=q
!HINT: for curvatures highlight all and select vary. Then go back and BjwMb&a;
!freeze stop surface radius. DqRLx 85d1
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 mQFa/7FX
!Vary all thicknesses by same method. Do not select surface with solve since Wf_CR(
!varying this surface will delete solve. If mistake, use UNDO or go to 8~}s 3j4
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve '+tKvTU;
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 #!wsD 7;
THC S8 0 !Don't forget to vary the image distance which calculates best S ]vW&r3`
!best real-ray focus from paraxial image plane }z8{ B3K
!Vary glass by highlighting, right clicking, and selecting Vary R9bhC9NP
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 }FHw"
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!Optimize OPTIMIZATION > AUTOMATIC DESIGN _F3KFQ4,S-
AUT R&]c"cO L8
EFL Z1 = 8.25 !Effective Focal Length Constraint $+0=G N
MNT 0.8 !Minimum Center Thickness General Constraint S 3b|wUf
MNE 0.5 !Minimum Edge Thickness General Constraint omNpE_
DRA S1..I YES !Draw a picture of lens system at each cycle >7"$}5d
GO 4,go l?a
!Reanalyze the system. Make sure to "Tear Off" original analysis before #aj|vox}
!re-executing to compare optimized system s bs[=LW4
!Re-execute Drawing ;5-R =e(KA
VIE b{zAJ`|#[n
GO OTnu{<.a
!Re-execute MTF h=!M6ya p<
MTF !T)T_P[
MFR 68 Zlr{L]c
IFR 17 \nrgAC-b
GO n9N#&Q"7m
!Re-execute Field (Distortion) Analysis \FIa,5k8
FIE t1G1(F# &%
GO &b 5T&-C<
!Save Lens FILE > SAVE LENS AS... Y]hV-_2+Do
SAV digcam20_opt
