主要是看人家的操作步骤,想学命令的人请看，十分有用 eot]VO:
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) `;yfSoY
Display > View Lens (accept defaults, click OK, keep window open) {;6Yi!
In LDM spreadsheet, select surfaces 1 to Image N,9W18
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Choose Edit > Default Variables, then click in any cell to unselect the range Fy^=LrH=D
Right click in each cell and choose Vary for @7Oqp-
Thickness of surfaces 1, 4, 6 E)l0`83~^
Glass of surfaces 1, 4, 6 YL_M=h>P
File > Save Lens '% .:97
Using Quick Analysis tool bar, click… 8X,dVX5LT
Quick Spot Diagram (note scale) 8LI,'XZ
Quick Ray Aberration Plot (note scale) >YwvM=b"V
Quick Field Plot (note scales and maximum distortion value) @kCFc}
Analysis > Diffraction > MTF %l4LX~-:
Freq/Calc Tab: Maximum 68, Increment 17 \&K{v#g ~
Graphics tab: Max plot freq 68 ?6;9r[ p
Click OK (keep window open, tear off starting MTF graph for later comparison) `52+ .*J+%
Optimization > Automatic Design )N4!zuSVf
Output controls: Click Draw System button ),ur! v
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) uURm6mVt9:
Specific constraints: o
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Click Insert Specific Constraint 5G!0Yy['
Default display is Optical Definitions, Effective Focal Length (correct choice) '
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Enter 8.25 for Constraint Target ZG 29q>
Click OK. ^O#>LbM"x
File > Save Lens As (new name, digcam20_opt.len) 3
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Re-run View Lens window to see new lens picture. Y.XNA]|
Re-run each of the Quick Analysis windows and note scales. @ev"{dY
Re-run the MTF window, compare to tear-off of starting point d ??;r:
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以下直接复制到命令行即可出最终结果 c2Q KI~\x
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! Command inputs for Workshop 2-2 (for reference) B 2p/
!Restore 20 Degree Digital Camera Lens Setup :w|ef ;
!FILE > OPEN >Q5et1c
RES digcam20_start.len g=)B+SY'
!Vary all radii curvature by right clicking in LDM and selecting VARY HS Xv_
!HINT: for curvatures highlight all and select vary. Then go back and 05o)Q &`
!freeze stop surface radius. Y f Rjr
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 uDhe
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!Vary all thicknesses by same method. Do not select surface with solve since _yH{LUIj
!varying this surface will delete solve. If mistake, use UNDO or go to 8DAHaS;
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ~
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 O;zq(/,-l
THC S8 0 !Don't forget to vary the image distance which calculates best j) G< PW
!best real-ray focus from paraxial image plane }
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!Vary glass by highlighting, right clicking, and selecting Vary 4= 7#= F1
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 JXFPN|
!Optimize OPTIMIZATION > AUTOMATIC DESIGN LxdF;JCz:
AUT W|X=R?*ZK
EFL Z1 = 8.25 !Effective Focal Length Constraint JWZG)I]r
MNT 0.8 !Minimum Center Thickness General Constraint l tQo_k
MNE 0.5 !Minimum Edge Thickness General Constraint S vTd#>ke
DRA S1..I YES !Draw a picture of lens system at each cycle F9ytU> zh
GO m*bTELb
!Reanalyze the system. Make sure to "Tear Off" original analysis before |ry
