主要是看人家的操作步骤,想学命令的人请看，十分有用 [ CBA Lj5
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) kCxmC<34
Display > View Lens (accept defaults, click OK, keep window open) :bwdEni1P
In LDM spreadsheet, select surfaces 1 to Image /S1EQ%_
Choose Edit > Default Variables, then click in any cell to unselect the range * #e%3N05_
Right click in each cell and choose Vary for Da1BxbDeI
Thickness of surfaces 1, 4, 6 x*}j$n( Oa
Glass of surfaces 1, 4, 6 UBuk-tq
File > Save Lens 4][m!dsU
Using Quick Analysis tool bar, click… M_+&XLnzsJ
Quick Spot Diagram (note scale) is?`tre\P
Quick Ray Aberration Plot (note scale) l5Z=aW Q
Quick Field Plot (note scales and maximum distortion value) -h^FSW($-R
Analysis > Diffraction > MTF n[n0iz1-
Freq/Calc Tab: Maximum 68, Increment 17 ZgF-.(GV
Graphics tab: Max plot freq 68 m9ts &b+TE
Click OK (keep window open, tear off starting MTF graph for later comparison) ,kuJWaUC@
Optimization > Automatic Design f!ehq\K1k
Output controls: Click Draw System button AuHOdiJ
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) Fwyv>U
Specific constraints: G& cm5
Click Insert Specific Constraint J}EQ_FC"$
Default display is Optical Definitions, Effective Focal Length (correct choice) Gnp,~F"
Enter 8.25 for Constraint Target OP]=MZP|
Click OK. A?|KA<&m#u
File > Save Lens As (new name, digcam20_opt.len)
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Re-run View Lens window to see new lens picture. Tk $rwTCl
Re-run each of the Quick Analysis windows and note scales. k#R }^Q
Re-run the MTF window, compare to tear-off of starting point :Gqyj_|<
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以下直接复制到命令行即可出最终结果 Z!G _" 3
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! Command inputs for Workshop 2-2 (for reference) ~ 6.AE/ow
!Restore 20 Degree Digital Camera Lens Setup h'^7xDw
!FILE > OPEN pA3j@ w
RES digcam20_start.len hD{+V!{
!Vary all radii curvature by right clicking in LDM and selecting VARY ??=CAU%\
!HINT: for curvatures highlight all and select vary. Then go back and VE4!=4
!freeze stop surface radius. kU_bLC?>D
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 cf1Ve\(YGI
!Vary all thicknesses by same method. Do not select surface with solve since $5yS`Iq S
!varying this surface will delete solve. If mistake, use UNDO or go to yk!,{Q?<$
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve (`GO@
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 xB]~%nC [O
THC S8 0 !Don't forget to vary the image distance which calculates best QW6F24
!best real-ray focus from paraxial image plane #!rng ]p
!Vary glass by highlighting, right clicking, and selecting Vary w;0NtV|
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 "p.MJxH
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ]kbmb O?M
AUT @!'Pr$`
EFL Z1 = 8.25 !Effective Focal Length Constraint XD{U 5.z>y
MNT 0.8 !Minimum Center Thickness General Constraint K8Gc5#OF
MNE 0.5 !Minimum Edge Thickness General Constraint |4YDvDEJi
DRA S1..I YES !Draw a picture of lens system at each cycle /u!I2DF
GO ' [I_Iu#,
!Reanalyze the system. Make sure to "Tear Off" original analysis before P[ n` X
!re-executing to compare optimized system L T!B]y
!Re-execute Drawing tS#EqMf&o
VIE `j(\9j ok
GO yU\&\fD>j
!Re-execute MTF +c/am``
MTF +
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MFR 68 *6e`km
IFR 17 oaHg6PT!
GO jU )r~QhN
!Re-execute Field (Distortion) Analysis TU$/3fp*
FIE &zlwV"W
GO A|CW4f,
!Save Lens FILE > SAVE LENS AS... qg:R+`z
SAV digcam20_opt
