主要是看人家的操作步骤,想学命令的人请看，十分有用 {-Mjs BR
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) OHW|?hI=[
Display > View Lens (accept defaults, click OK, keep window open) -/0aGqY
In LDM spreadsheet, select surfaces 1 to Image Jh<s '&FR
Choose Edit > Default Variables, then click in any cell to unselect the range |H]0pbC)w
Right click in each cell and choose Vary for \{!,a
Thickness of surfaces 1, 4, 6 z;?j+ZsdH
Glass of surfaces 1, 4, 6 Ycx}FYTY
File > Save Lens eE=2~
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Using Quick Analysis tool bar, click… Ud2Tn*QmI
Quick Spot Diagram (note scale) ADVS}d!;]
Quick Ray Aberration Plot (note scale) eX lJ=S}
Quick Field Plot (note scales and maximum distortion value) >qOj^WO~
Analysis > Diffraction > MTF BX6 kn/i
Freq/Calc Tab: Maximum 68, Increment 17 A SrRMH[
Graphics tab: Max plot freq 68 S v0?_ 3C
Click OK (keep window open, tear off starting MTF graph for later comparison) 4e;$+! dlV
Optimization > Automatic Design ~R~.D
Output controls: Click Draw System button CEBG9[|
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) r b\t0tg
Specific constraints: |Ldvfd
Click Insert Specific Constraint ` u7^r^>A
Default display is Optical Definitions, Effective Focal Length (correct choice) 1Sza%D;3
Enter 8.25 for Constraint Target g]c6_DMfb1
Click OK. =yM%#{t&W
File > Save Lens As (new name, digcam20_opt.len) s$(%?,yf2
Re-run View Lens window to see new lens picture. i7v =o#
Re-run each of the Quick Analysis windows and note scales. [}GK rI
Re-run the MTF window, compare to tear-off of starting point ij~-
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以下直接复制到命令行即可出最终结果 >}Bcv %zZ
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! Command inputs for Workshop 2-2 (for reference) -meY[!"X
!Restore 20 Degree Digital Camera Lens Setup ^W9O_5\g4a
!FILE > OPEN diVg|Z3T
RES digcam20_start.len L;y BZLM
!Vary all radii curvature by right clicking in LDM and selecting VARY _Y/*e<bU
!HINT: for curvatures highlight all and select vary. Then go back and 2K
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!freeze stop surface radius. 3&5b!Y
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ZZHzC+O#^
!Vary all thicknesses by same method. Do not select surface with solve since ;+|Z5+7!6
!varying this surface will delete solve. If mistake, use UNDO or go to | 5:2?S2R
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve DpQWh+WRy
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 * h=>*t?I2
THC S8 0 !Don't forget to vary the image distance which calculates best <1Sj_HC T
!best real-ray focus from paraxial image plane ;hV|W{=w
!Vary glass by highlighting, right clicking, and selecting Vary YTmHht{j#
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 zxIP-QaA
!Optimize OPTIMIZATION > AUTOMATIC DESIGN MP<]-M'|<
AUT qO8:|q1%;\
EFL Z1 = 8.25 !Effective Focal Length Constraint e57R6g)4
MNT 0.8 !Minimum Center Thickness General Constraint k9<UDg_ Y
MNE 0.5 !Minimum Edge Thickness General Constraint X% &7-P O
DRA S1..I YES !Draw a picture of lens system at each cycle B : 0o T
GO yzT1Zg_ER
!Reanalyze the system. Make sure to "Tear Off" original analysis before frDMFEXXP
!re-executing to compare optimized system *| W*Mu
!Re-execute Drawing -$:*!55:j
VIE )"hd"
GO Yt,MXm\
!Re-execute MTF m &D I2he
MTF r\F2X J^
MFR 68 dT% eq7=
IFR 17 XzX2V">(%
GO 3N+B|WrM
!Re-execute Field (Distortion) Analysis Hm !"%
FIE s3nt2$=:t
GO ~o|sm a5.
!Save Lens FILE > SAVE LENS AS... 2p# d
SAV digcam20_opt
