| longlllooo |
2006-03-27 20:24 |
主要是看人家的操作步骤,想学命令的人请看，十分有用 k p?_ir
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) H,/ =<Th;i
Display > View Lens (accept defaults, click OK, keep window open) J~ @W":v
In LDM spreadsheet, select surfaces 1 to Image %ID48_>*
Choose Edit > Default Variables, then click in any cell to unselect the range I L&PN`#
Right click in each cell and choose Vary for #cD$
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Thickness of surfaces 1, 4, 6 %AT/g&M&1#
Glass of surfaces 1, 4, 6 4rCw#mV tB
File > Save Lens f0g_Gn $
Using Quick Analysis tool bar, click… VL\Ah3+
Quick Spot Diagram (note scale) }D vT6
Quick Ray Aberration Plot (note scale) HsG3s? *
Quick Field Plot (note scales and maximum distortion value) 0"sZP \<p
Analysis > Diffraction > MTF ,*L3
Freq/Calc Tab: Maximum 68, Increment 17 aJs! bx>K
Graphics tab: Max plot freq 68 #cJ1Jj $
Click OK (keep window open, tear off starting MTF graph for later comparison) 'vZWk eo
Optimization > Automatic Design [4])\q^q
Output controls: Click Draw System button lH,/N4 r*&
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) UY\E uA9
Specific constraints: T%PUV \LV
Click Insert Specific Constraint &$pQ Jf
Default display is Optical Definitions, Effective Focal Length (correct choice) ob)c0Pz
Enter 8.25 for Constraint Target k_OzkEM9!
Click OK. ?%>S5,f_
File > Save Lens As (new name, digcam20_opt.len) >T14
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Re-run View Lens window to see new lens picture. H7 {kl
Re-run each of the Quick Analysis windows and note scales. d(D|rf,av
Re-run the MTF window, compare to tear-off of starting point 1q*=4O
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以下直接复制到命令行即可出最终结果 -OgC. 6
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! Command inputs for Workshop 2-2 (for reference) eN TKX
!Restore 20 Degree Digital Camera Lens Setup >/-Bg:
!FILE > OPEN ~P-^An^
RES digcam20_start.len *M~BN}.
!Vary all radii curvature by right clicking in LDM and selecting VARY NdI~1kemr
!HINT: for curvatures highlight all and select vary. Then go back and vF{{$)c
!freeze stop surface radius. *APTgX YR
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 =^ x1: Ak
!Vary all thicknesses by same method. Do not select surface with solve since UtB~joaR
!varying this surface will delete solve. If mistake, use UNDO or go to FbD9G6h5
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve }SW>ysw'm
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Jj+Hj[(@
THC S8 0 !Don't forget to vary the image distance which calculates best AHP; N6Y6
!best real-ray focus from paraxial image plane H|d"45J_
!Vary glass by highlighting, right clicking, and selecting Vary {k<mN
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GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 $)j f
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Gd[: &h
AUT mw${3j~ &
EFL Z1 = 8.25 !Effective Focal Length Constraint _$gP -J
MNT 0.8 !Minimum Center Thickness General Constraint yzL6 oU-{&
MNE 0.5 !Minimum Edge Thickness General Constraint MF5o\-&dN
DRA S1..I YES !Draw a picture of lens system at each cycle
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GO #<R6!"TNoz
!Reanalyze the system. Make sure to "Tear Off" original analysis before yt `K^07@
!re-executing to compare optimized system T^nOv2@,
!Re-execute Drawing T5TA kEVl
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GO 6PRP&|.#
!Re-execute MTF (5=B^9 {R
MTF z
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MFR 68 e:;u _ be~
IFR 17 ? wZ`U
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GO =D^R,Q
!Re-execute Field (Distortion) Analysis ggzcANCD<
FIE 6"U$H$i.G
GO /V E|F Ts
!Save Lens FILE > SAVE LENS AS... 3m/XT"D
SAV digcam20_opt
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