主要是看人家的操作步骤,想学命令的人请看，十分有用 `QkzWy~V3
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) jAJkCCG
Display > View Lens (accept defaults, click OK, keep window open) C2b.([HE
In LDM spreadsheet, select surfaces 1 to Image {<]abO
Choose Edit > Default Variables, then click in any cell to unselect the range I @z{G r
Right click in each cell and choose Vary for ;0BCM(>Wo
Thickness of surfaces 1, 4, 6 <e=0J8V8,i
Glass of surfaces 1, 4, 6 l,/5$ JGnk
File > Save Lens 5( F!* 6i>
Using Quick Analysis tool bar, click… . :;i*
Quick Spot Diagram (note scale) n BD 7
Quick Ray Aberration Plot (note scale) 91 ,\y
Quick Field Plot (note scales and maximum distortion value) bX9}G#+U
Analysis > Diffraction > MTF \fKv+
Freq/Calc Tab: Maximum 68, Increment 17 *|jqRfa"
Graphics tab: Max plot freq 68 ' Wi*[
Click OK (keep window open, tear off starting MTF graph for later comparison) c^=:]^
Optimization > Automatic Design kO5KZ;+N-
Output controls: Click Draw System button B02~/9*Y"
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 9S<W~# zz
Specific constraints: <D 5QlAN
Click Insert Specific Constraint hrW.TwK
Default display is Optical Definitions, Effective Focal Length (correct choice) Zkz:h7GUG-
Enter 8.25 for Constraint Target (&x[>):6?
Click OK. .6tz ^ 4
File > Save Lens As (new name, digcam20_opt.len) :*8@Mj Z4
Re-run View Lens window to see new lens picture. `hfwZ*s
Re-run each of the Quick Analysis windows and note scales. "RG.vo7b
Re-run the MTF window, compare to tear-off of starting point Te.hXCFD
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以下直接复制到命令行即可出最终结果 d_yqmx?w
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! Command inputs for Workshop 2-2 (for reference) 0p#36 czqy
!Restore 20 Degree Digital Camera Lens Setup VJN Ps6
!FILE > OPEN MKH7d/x
RES digcam20_start.len %]
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!Vary all radii curvature by right clicking in LDM and selecting VARY A1Zu^_y'
!HINT: for curvatures highlight all and select vary. Then go back and F{}z[0
!freeze stop surface radius. :2?'mKa7
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 7_{x '#7
!Vary all thicknesses by same method. Do not select surface with solve since Fq{nc]L6
!varying this surface will delete solve. If mistake, use UNDO or go to 6^wiEnA
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ( {8Q=Gh
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 S=my ;M-
THC S8 0 !Don't forget to vary the image distance which calculates best zxj!ihs<
!best real-ray focus from paraxial image plane YnNei 7R
!Vary glass by highlighting, right clicking, and selecting Vary g$:2c7uL
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 c8yD-U/-
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Qr0GxGWU
AUT OrH& dY
EFL Z1 = 8.25 !Effective Focal Length Constraint kg-%:;y.
MNT 0.8 !Minimum Center Thickness General Constraint O
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MNE 0.5 !Minimum Edge Thickness General Constraint ~svu0[Vx
DRA S1..I YES !Draw a picture of lens system at each cycle NeWssSje
GO ;ndg,05_
!Reanalyze the system. Make sure to "Tear Off" original analysis before Q;Oc#
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!re-executing to compare optimized system \t1vYIY]T
!Re-execute Drawing P(Lwpa,S
VIE B kC(9[Ei
GO U M#]ol h
!Re-execute MTF hMD yE.X-
MTF i? a]v 5
MFR 68 p@^2 .O+
IFR 17 W]R5\ G*
GO 36j.is
!Re-execute Field (Distortion) Analysis gNO$ WY^
FIE ~ugcfDJ
GO 3;Xs`dk
!Save Lens FILE > SAVE LENS AS... ;or> Sh7
SAV digcam20_opt
