| 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 \IG"Te
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Xv1mjHZCC
Display > View Lens (accept defaults, click OK, keep window open) [MVG\6Up(
In LDM spreadsheet, select surfaces 1 to Image ; \N${YIn
Choose Edit > Default Variables, then click in any cell to unselect the range 8I*WVa$l
Right click in each cell and choose Vary for rezH5d6z62
Thickness of surfaces 1, 4, 6 C!r9+z)<
Glass of surfaces 1, 4, 6 M,nLPHg K
File > Save Lens Z )f\^
Using Quick Analysis tool bar, click… d)7V:
Quick Spot Diagram (note scale) TWFi.w4pY
Quick Ray Aberration Plot (note scale) ;p}X]e l}
Quick Field Plot (note scales and maximum distortion value) L?gak@E
Analysis > Diffraction > MTF 1Ev#[FOc
Freq/Calc Tab: Maximum 68, Increment 17 A(>kp=~
Graphics tab: Max plot freq 68 (`pd>
Click OK (keep window open, tear off starting MTF graph for later comparison) qf2;yRc&
Optimization > Automatic Design {_i.IPp~
Output controls: Click Draw System button Yh} F
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) !\%0O`b^4
Specific constraints: CH/*MA
Click Insert Specific Constraint ssy+x;<x,
Default display is Optical Definitions, Effective Focal Length (correct choice) JZ
Enter 8.25 for Constraint Target L?c7M}vV
Click OK. $2j?Z.yEG
File > Save Lens As (new name, digcam20_opt.len) :jp4 !0w
Re-run View Lens window to see new lens picture. M!ra3Y
Re-run each of the Quick Analysis windows and note scales. ird
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Re-run the MTF window, compare to tear-off of starting point :6Q`! in
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以下直接复制到命令行即可出最终结果 "T_OLegdK
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! Command inputs for Workshop 2-2 (for reference) 5Se
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!Restore 20 Degree Digital Camera Lens Setup !Y3
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!FILE > OPEN ped3}i+|]
RES digcam20_start.len 8I'Am"bc \
!Vary all radii curvature by right clicking in LDM and selecting VARY 'r5[tK}
!HINT: for curvatures highlight all and select vary. Then go back and S2jO
!freeze stop surface radius. `Oc`I9
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 +I+7@Xi Z
!Vary all thicknesses by same method. Do not select surface with solve since gTp){
!varying this surface will delete solve. If mistake, use UNDO or go to a Dik1Q
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve lTh}0t
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 |# zznT"
THC S8 0 !Don't forget to vary the image distance which calculates best .7HnWKUV
!best real-ray focus from paraxial image plane G1d!a6>
!Vary glass by highlighting, right clicking, and selecting Vary
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GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 W_zAAIY_Y
!Optimize OPTIMIZATION > AUTOMATIC DESIGN vh~:{akR
AUT W1UG\d`2
EFL Z1 = 8.25 !Effective Focal Length Constraint ?V}AwLX}
MNT 0.8 !Minimum Center Thickness General Constraint ms%Ot:uA
MNE 0.5 !Minimum Edge Thickness General Constraint 2_ x~y|<9
DRA S1..I YES !Draw a picture of lens system at each cycle +P~E54
GO om"q[Tudc
!Reanalyze the system. Make sure to "Tear Off" original analysis before hupYiI~
!re-executing to compare optimized system #]yb; L
!Re-execute Drawing 4K@`>Y5g*
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GO Hset(-=X
!Re-execute MTF [p +h b
MTF ~?pF'3q
MFR 68 6c3+q+#J2
IFR 17 " Iy @PR?>
GO %EuXL% B
!Re-execute Field (Distortion) Analysis ?^F#}>C
FIE ~lR"3z_Z}
GO L7 jMpz&
!Save Lens FILE > SAVE LENS AS... 2S1wL<qP
SAV digcam20_opt
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