主要是看人家的操作步骤,想学命令的人请看，十分有用 >a!/QMh
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) p,5i)nEFj
Display > View Lens (accept defaults, click OK, keep window open) XV7Ex\D*
In LDM spreadsheet, select surfaces 1 to Image vjbASFF0=
Choose Edit > Default Variables, then click in any cell to unselect the range ,8S/t +H
Right click in each cell and choose Vary for O@T9x $
Thickness of surfaces 1, 4, 6 G vt G(u~
Glass of surfaces 1, 4, 6 YFLZ %(
File > Save Lens SB;&GHq"n
Using Quick Analysis tool bar, click… pz!Zs."f)
Quick Spot Diagram (note scale) rT=rrvV3g
Quick Ray Aberration Plot (note scale) O W_{$9U
Quick Field Plot (note scales and maximum distortion value) 0cv{
Analysis > Diffraction > MTF FZ{h?#2?
Freq/Calc Tab: Maximum 68, Increment 17 9%o 32eo,3
Graphics tab: Max plot freq 68 SXSgld2uS
Click OK (keep window open, tear off starting MTF graph for later comparison) G)AqbY
Optimization > Automatic Design =m]v8`g
Output controls: Click Draw System button }kw#7m54
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) lZd(emH@
Specific constraints: bWjc'P6rx
Click Insert Specific Constraint QGMV}y
Default display is Optical Definitions, Effective Focal Length (correct choice) NlA,'`,
Enter 8.25 for Constraint Target a
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Click OK. >2Y=*K,:
File > Save Lens As (new name, digcam20_opt.len) gl dAP:
Re-run View Lens window to see new lens picture. +C^n O=[E
Re-run each of the Quick Analysis windows and note scales. q\9JgD)
Re-run the MTF window, compare to tear-off of starting point z 4e7PW|
---------------------------------------------------------------------------------------------- vz@A;t
以下直接复制到命令行即可出最终结果 U45e2~1!O
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! Command inputs for Workshop 2-2 (for reference) S^JbyD_yoh
!Restore 20 Degree Digital Camera Lens Setup vO H4#
!FILE > OPEN o@_q]/Mh
RES digcam20_start.len ^)470K`%)
!Vary all radii curvature by right clicking in LDM and selecting VARY 0.Q
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!HINT: for curvatures highlight all and select vary. Then go back and R)?*N@.s
!freeze stop surface radius. D5gFXEeh
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 G~]Uk*M
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!Vary all thicknesses by same method. Do not select surface with solve since B5 ,N7z34F
!varying this surface will delete solve. If mistake, use UNDO or go to Zcey|m*|
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve cRC6 s8
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ~V:\ _{mE
THC S8 0 !Don't forget to vary the image distance which calculates best (fhb0i-
!best real-ray focus from paraxial image plane DcS+_>a\{l
!Vary glass by highlighting, right clicking, and selecting Vary n. }Zk G0`
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 [DYQ"A= )d
!Optimize OPTIMIZATION > AUTOMATIC DESIGN "-M p_O]
AUT ;_XFo&@
EFL Z1 = 8.25 !Effective Focal Length Constraint ,Y@Gyx !4
MNT 0.8 !Minimum Center Thickness General Constraint (Nq=H)cm8
MNE 0.5 !Minimum Edge Thickness General Constraint av(6wht8
DRA S1..I YES !Draw a picture of lens system at each cycle j\ZXG=j
GO f'F?MINJP
!Reanalyze the system. Make sure to "Tear Off" original analysis before +Z,;,5'5G
!re-executing to compare optimized system QDZWX` qw{
!Re-execute Drawing b;L\EB
VIE mupT<_Y
GO b8H{8{wi|
!Re-execute MTF \wmN
MTF g%aYDl
MFR 68 V_)-#=J
IFR 17 ,S \C C{!
GO !OZ y7
!Re-execute Field (Distortion) Analysis ]|#+zx|/D
FIE 1l9 G[o
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GO &Hrj3E
!Save Lens FILE > SAVE LENS AS... r[e##M
SAV digcam20_opt
