主要是看人家的操作步骤,想学命令的人请看，十分有用 =_u4=4
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) } JAG 7L&{
Display > View Lens (accept defaults, click OK, keep window open) iAU@Yg`pt
In LDM spreadsheet, select surfaces 1 to Image Xla~Yg
Choose Edit > Default Variables, then click in any cell to unselect the range 8)I^ t81
Right click in each cell and choose Vary for
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Thickness of surfaces 1, 4, 6 !%0 * z
Glass of surfaces 1, 4, 6 L*JjG sTH
File > Save Lens l HX72 s|V
Using Quick Analysis tool bar, click… kMd.h[X~
Quick Spot Diagram (note scale) AYx{U? 0p
Quick Ray Aberration Plot (note scale) N] sAji*
Quick Field Plot (note scales and maximum distortion value) I~XSn>-H
Analysis > Diffraction > MTF Z#\P&\`1z
Freq/Calc Tab: Maximum 68, Increment 17 q'8 2qY
Graphics tab: Max plot freq 68 J- hbh
Click OK (keep window open, tear off starting MTF graph for later comparison) 4{` { WI{
Optimization > Automatic Design 5XB H$&Td
Output controls: Click Draw System button MFk5K
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) @;RXLq/8
Specific constraints: n ?Nt6U
Click Insert Specific Constraint Q'0d~6n&{
Default display is Optical Definitions, Effective Focal Length (correct choice) ~$?ZK]YOrx
Enter 8.25 for Constraint Target BThrO d
Click OK. @MCg%Afw
File > Save Lens As (new name, digcam20_opt.len) w`zTR0`
Re-run View Lens window to see new lens picture. D}X\Ca"h
Re-run each of the Quick Analysis windows and note scales. Dm<A
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Re-run the MTF window, compare to tear-off of starting point <e</m)j
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以下直接复制到命令行即可出最终结果 Ciz X <Cr}
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! Command inputs for Workshop 2-2 (for reference) N<injx
!Restore 20 Degree Digital Camera Lens Setup 3'u-'
!FILE > OPEN omBoo5e
RES digcam20_start.len &KRX[2
!Vary all radii curvature by right clicking in LDM and selecting VARY / s}} &u/
!HINT: for curvatures highlight all and select vary. Then go back and W:L
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!freeze stop surface radius. Q$@I"V&G.
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 y_lU=(%Jd
!Vary all thicknesses by same method. Do not select surface with solve since YcpoL@ab
!varying this surface will delete solve. If mistake, use UNDO or go to 'SF<_aS(
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 6j LCU%^
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 g 7 W"
THC S8 0 !Don't forget to vary the image distance which calculates best Y`S vMkP)+
!best real-ray focus from paraxial image plane _zi|
!Vary glass by highlighting, right clicking, and selecting Vary wDe& 1(T^
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 A2jUmK.&
!Optimize OPTIMIZATION > AUTOMATIC DESIGN nc|p )
AUT | h#u^v3
EFL Z1 = 8.25 !Effective Focal Length Constraint 81
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MNT 0.8 !Minimum Center Thickness General Constraint YteO 6A;
MNE 0.5 !Minimum Edge Thickness General Constraint IB] l1<
DRA S1..I YES !Draw a picture of lens system at each cycle VS8Rx.?
GO Fy-t T]Q9
!Reanalyze the system. Make sure to "Tear Off" original analysis before ckE-",G
!re-executing to compare optimized system u5f9Jw}
!Re-execute Drawing b B3powy9
VIE b2&0Hx
GO dVT$ VQg
!Re-execute MTF 9m~p0 ILh
MTF `&c kZiq
MFR 68 ]|P iF+
IFR 17 q'Tf,a
GO q 9r[$%G
!Re-execute Field (Distortion) Analysis Cd}<a?m,
FIE 'kO!^6=4M
GO &Ys<@M7E:
!Save Lens FILE > SAVE LENS AS... sN01rtB(UT
SAV digcam20_opt
