主要是看人家的操作步骤,想学命令的人请看，十分有用 kk@fL
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) EStB#V ^
Display > View Lens (accept defaults, click OK, keep window open) Tod&&T'UW
In LDM spreadsheet, select surfaces 1 to Image h$>-.-
Choose Edit > Default Variables, then click in any cell to unselect the range IGQaDFr
Right click in each cell and choose Vary for T{. pM4Hd
Thickness of surfaces 1, 4, 6 f!uw zHA`?
Glass of surfaces 1, 4, 6 Q800y??&J
File > Save Lens `l
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Using Quick Analysis tool bar, click… R6K m\N
Quick Spot Diagram (note scale) ,{u
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Quick Ray Aberration Plot (note scale) q4:o#K#
Quick Field Plot (note scales and maximum distortion value) kR-SE5`Jk
Analysis > Diffraction > MTF hHGoP0/o
Freq/Calc Tab: Maximum 68, Increment 17 /<=u\e'rE
Graphics tab: Max plot freq 68 >V?eog %~
Click OK (keep window open, tear off starting MTF graph for later comparison) Ys!8 2M$g
Optimization > Automatic Design uM IIYS
Output controls: Click Draw System button eK?MKe
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) H?vdr:WlTN
Specific constraints: EzM
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Click Insert Specific Constraint ZF9z~9
Default display is Optical Definitions, Effective Focal Length (correct choice) XkE`U5.
Enter 8.25 for Constraint Target l'-Bu(
Click OK. xQ-<WF1i
File > Save Lens As (new name, digcam20_opt.len) | `2RShu
Re-run View Lens window to see new lens picture. ?} tFN_X"
Re-run each of the Quick Analysis windows and note scales. '4+
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Re-run the MTF window, compare to tear-off of starting point EReZkvseC
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以下直接复制到命令行即可出最终结果 30#s a GV
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! Command inputs for Workshop 2-2 (for reference) Eex~xiiV
!Restore 20 Degree Digital Camera Lens Setup %+W{iu[|
!FILE > OPEN \O3m9,a
RES digcam20_start.len [I,Z2G,Jb
!Vary all radii curvature by right clicking in LDM and selecting VARY eCU:Q
!HINT: for curvatures highlight all and select vary. Then go back and KK/tu+"
!freeze stop surface radius. 7Jyy z,!5
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 y1eW pPJa
!Vary all thicknesses by same method. Do not select surface with solve since 45@ I *`
!varying this surface will delete solve. If mistake, use UNDO or go to VK\X&Y3l
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve # Yj 1w
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 +ZaSM~
THC S8 0 !Don't forget to vary the image distance which calculates best r;.y z I
!best real-ray focus from paraxial image plane JW83Tp8[8
!Vary glass by highlighting, right clicking, and selecting Vary ,G bR!j@6
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 <s GVR5NR
!Optimize OPTIMIZATION > AUTOMATIC DESIGN )1J R#
AUT _lJ!R:*
EFL Z1 = 8.25 !Effective Focal Length Constraint sk<3`x+
MNT 0.8 !Minimum Center Thickness General Constraint z;,u}u}aI
MNE 0.5 !Minimum Edge Thickness General Constraint Olt ?~}
DRA S1..I YES !Draw a picture of lens system at each cycle mA}TJz
GO ?4#Li~q
!Reanalyze the system. Make sure to "Tear Off" original analysis before B:yGS*.tu
!re-executing to compare optimized system hB]Np1('
!Re-execute Drawing .GP T!lDc
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GO ky,(xT4
!Re-execute MTF $kdB |4C
MTF njB; &N)I
MFR 68 MC&` oX[
IFR 17 (&Kk7< #`
GO ( ?1y4M
!Re-execute Field (Distortion) Analysis ntX3Nt_ n
FIE 'A=^S e`=
GO t wHVv
!Save Lens FILE > SAVE LENS AS... iJ)_RSFK
SAV digcam20_opt
