主要是看人家的操作步骤,想学命令的人请看，十分有用 'g( R4deCX
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) |yw-H2k1
Display > View Lens (accept defaults, click OK, keep window open) b abDLaC@
In LDM spreadsheet, select surfaces 1 to Image RrGS$<
Choose Edit > Default Variables, then click in any cell to unselect the range %p^C,B{7w
Right click in each cell and choose Vary for ^> ZQ:xs@(
Thickness of surfaces 1, 4, 6 '[:].?M
Glass of surfaces 1, 4, 6 hg=\L5R
File > Save Lens Y`\zLX"_m
Using Quick Analysis tool bar, click… aU 5t|S6
Quick Spot Diagram (note scale) q0SvZw]f1
Quick Ray Aberration Plot (note scale) %k1*&2"1#
Quick Field Plot (note scales and maximum distortion value) YIt:_ ][*
Analysis > Diffraction > MTF &# `d8}3D
Freq/Calc Tab: Maximum 68, Increment 17 +qjW;]yxP
Graphics tab: Max plot freq 68 Yb414 K
Click OK (keep window open, tear off starting MTF graph for later comparison) \fh.D/@
Optimization > Automatic Design a]$KI$ )e
Output controls: Click Draw System button cXt L3T+
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ;/ >~|@
Specific constraints: x&8fmUS:@;
Click Insert Specific Constraint @^#y23R U
Default display is Optical Definitions, Effective Focal Length (correct choice) />)>~_-3
Enter 8.25 for Constraint Target Za 4 YD
Click OK. WY0u9M4
File > Save Lens As (new name, digcam20_opt.len) Sr%~
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Re-run View Lens window to see new lens picture. > aN@)=h}
Re-run each of the Quick Analysis windows and note scales. t55CT6Se
Re-run the MTF window, compare to tear-off of starting point $Iv*?S"2
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以下直接复制到命令行即可出最终结果 .|x 0du|
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! Command inputs for Workshop 2-2 (for reference) SAly~(r?/
!Restore 20 Degree Digital Camera Lens Setup yu3EPT!~
!FILE > OPEN ^J\)cw
RES digcam20_start.len TDy@Y>
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!Vary all radii curvature by right clicking in LDM and selecting VARY ;k(|ynXv
!HINT: for curvatures highlight all and select vary. Then go back and }me]?en_Ra
!freeze stop surface radius. Sg')w1
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Br1JZHgA
!Vary all thicknesses by same method. Do not select surface with solve since )bPwB.} kq
!varying this surface will delete solve. If mistake, use UNDO or go to st/T b/
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 9`-ofwr'|
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Q]a5]:0
THC S8 0 !Don't forget to vary the image distance which calculates best 3J%jD
!best real-ray focus from paraxial image plane A3!NEFBK
!Vary glass by highlighting, right clicking, and selecting Vary S 3btx9y{
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 Wb/@~!+i`
!Optimize OPTIMIZATION > AUTOMATIC DESIGN /.7 x[Yc
AUT [Z~>7ayF+)
EFL Z1 = 8.25 !Effective Focal Length Constraint //K]zu
MNT 0.8 !Minimum Center Thickness General Constraint 7A3 e-51 >
MNE 0.5 !Minimum Edge Thickness General Constraint m6+2r D
DRA S1..I YES !Draw a picture of lens system at each cycle tJ2l_M^
GO 2z ArAch
!Reanalyze the system. Make sure to "Tear Off" original analysis before NM[w =
!re-executing to compare optimized system L$l o5
!Re-execute Drawing |)
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VIE 3)__b:7J
GO ww+XE2,
!Re-execute MTF ax'Dp{Q
MTF u&2uQ -T0
MFR 68 };29'_.."x
IFR 17 tul5:} x3
GO zSDiJ$Xk
!Re-execute Field (Distortion) Analysis |44CD3A%
FIE g7_ a8_
GO h9g 5W'.#
!Save Lens FILE > SAVE LENS AS... n3~xiQ'
SAV digcam20_opt
