主要是看人家的操作步骤,想学命令的人请看，十分有用 ~7O.}RP0
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) b VW2Tjc:
Display > View Lens (accept defaults, click OK, keep window open) =q"o% dc`R
In LDM spreadsheet, select surfaces 1 to Image g?> V4WF
Choose Edit > Default Variables, then click in any cell to unselect the range "H 3DmsB
Right click in each cell and choose Vary for t(r}jU=qw
Thickness of surfaces 1, 4, 6 p#+Da\qmx
Glass of surfaces 1, 4, 6 . u^ 4vVz
File > Save Lens !v?WyGbUg
Using Quick Analysis tool bar, click… Ojs ^-R_
Quick Spot Diagram (note scale) b X'.hHR
Quick Ray Aberration Plot (note scale) _ eg& j
Quick Field Plot (note scales and maximum distortion value) dW} m44X
Analysis > Diffraction > MTF Ns5'K^
Freq/Calc Tab: Maximum 68, Increment 17 \\v1 \
Graphics tab: Max plot freq 68 i_ z4;%#?
Click OK (keep window open, tear off starting MTF graph for later comparison) Q'R*a(pm
Optimization > Automatic Design wpV)y Q^
Output controls: Click Draw System button U#' WP
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) P> [,,w
Specific constraints: &p83X
Click Insert Specific Constraint lL6W:Fq@(
Default display is Optical Definitions, Effective Focal Length (correct choice) Gcp!"y=i
Enter 8.25 for Constraint Target 1q N+AT
Click OK. 2Nvb Q 3c5
File > Save Lens As (new name, digcam20_opt.len) Cs?[
Re-run View Lens window to see new lens picture. u[+/WFH
Re-run each of the Quick Analysis windows and note scales. o@@,
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Re-run the MTF window, compare to tear-off of starting point qJ%AbdOI8
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以下直接复制到命令行即可出最终结果 u~ \l~v^mj
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! Command inputs for Workshop 2-2 (for reference) L2`a| T=
!Restore 20 Degree Digital Camera Lens Setup F _z1ey`t
!FILE > OPEN 3R)_'!R[B
RES digcam20_start.len 2Wp)CI<\D
!Vary all radii curvature by right clicking in LDM and selecting VARY "c*&~GSE4
!HINT: for curvatures highlight all and select vary. Then go back and [ a!*m<
!freeze stop surface radius. MVXy)9q
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 3JXKp k?
!Vary all thicknesses by same method. Do not select surface with solve since Kr eF\M%Ke
!varying this surface will delete solve. If mistake, use UNDO or go to }& Kl)2:O
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve )9s
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 I`4k5KB;
THC S8 0 !Don't forget to vary the image distance which calculates best <MzXTy3\
!best real-ray focus from paraxial image plane i;I!Jc_b'
!Vary glass by highlighting, right clicking, and selecting Vary LR Dj!{k{
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 hB??~>i3
!Optimize OPTIMIZATION > AUTOMATIC DESIGN rLx'.:
AUT "
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EFL Z1 = 8.25 !Effective Focal Length Constraint g ^ 4<ve
MNT 0.8 !Minimum Center Thickness General Constraint _>4Qh#6K
MNE 0.5 !Minimum Edge Thickness General Constraint eiwPp9[08
DRA S1..I YES !Draw a picture of lens system at each cycle zot _ jSV
GO !lk9U^wnd
!Reanalyze the system. Make sure to "Tear Off" original analysis before 7 ?a!x$-U(
!re-executing to compare optimized system st-I7K\ v
!Re-execute Drawing M $MFUGS'
VIE SnFAv7_
GO q :-1 ul
!Re-execute MTF kJK:1;CM?.
MTF q^^&nz<A
MFR 68 Dx>~^ ^<
IFR 17 w
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GO 4">C0m;ks
!Re-execute Field (Distortion) Analysis z,IUCNgM
FIE dO|n[/qL0
GO W}rL HAaDh
!Save Lens FILE > SAVE LENS AS... Wk-jaz
SAV digcam20_opt
