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1、Code V 学习实例2 (Workshop2主要是看人家的操作步骤,想学命令的人请看，十分有用 aQNC nY File Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 1qU3l:$ Display View Lens (accept defaults, click OK, keep window open) D;2 S(a In LDM spreadsheet, select surfaces 1 to Image Vw9otJu Choose Edit Default V
2、ariables, then click in any cell to unselect the range xbo- Right click in each cell and choose Vary for /uvY Thickness of surfaces 1, 4, 6 v.WP Save Lens 30TxL=& Using Quick Analysis tool bar, click MC&!AMv Quick Spot Diagram (note scale) =JO|m5z8 Quick Ray Aberration Plot (note scale) q9WdJ!-X Qui
3、ck Field Plot (note scales and maximum distortion value) 6azzk8 Analysis Diffraction MTF YhLtf(r Freq/Calc Tab: Maximum 68, Increment 17 J-?,N1R7 Graphics tab: Max plot freq 68 f,M$!$V Click OK (keep window open, tear off starting MTF graph for later comparison) m1F Automatic Design m3_ ev3o Output
4、controls: Click Draw System button .ju!LKul General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) Q(-L Specific constraints: 6 hYZ Click Insert Specific Constraint aGpRdF1;! Default display is Optical Definitions, Effective Focal Length (correct choice) i;)g0x Enter
5、8.25 for Constraint Target gP( -Op Click OK. z(H.P# File Save Lens As (new name, digcam20_opt.len) bq(*r: Re-run View Lens window to see new lens picture. g+k6pi* Re-run each of the Quick Analysis windows and note scales. GB V Re-run the MTF window, compare to tear-off of starting point TdQSRp - LSa
6、(7EU 以下直接复制到命令行即可出最终结果 qsk71L - CpC ! Command inputs for Workshop 2-2 (for reference) _)_XO92 !Restore 20 Degree Digital Camera Lens Setup iL,3gg !FILE OPEN M9&tysKX RES digcam20_start.len wjiU&aca !Vary all radii curvature by right clicking in LDM and selecting VARY HJcZ5jf !HINT: for curvatures hi
7、ghlight all and select vary. Then go back and epG;=fm !freeze stop surface radius. vy#c(:UQR CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 -+PPz?0 !Vary all thicknesses by same method. Do not select surface with solve since STJFk6 !varying this surface will delete solve. If mistake
8、, use UNDO or go to |K*lI/ !LENS SYSTEM DATA SYSTEM SOLVES and reselect Paraxial Image Solve H(v52wD THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 /N+a-.Qd THC S8 0 !Dont forget to vary the image distance which calculates best )?xt=9Lh !best real-ray focus from paraxial image plane
9、 CE:?a$ !Vary glass by highlighting, right clicking, and selecting Vary 5Y& :Y GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 .XEvo !Optimize OPTIMIZATION AUTOMATIC DESIGN n:?WPU AUT aLq;a EFL Z1 = 8.25 !Effective Focal Length Constraint 8)tyni MNT 0.8 !Minimum Center Thickness General Constraint lxz %b C MNE 0.5 !
10、Minimum Edge Thickness General Constraint .iYgRW=T DRA S1.I YES !Draw a picture of lens system at each cycle s-ou;S3s GO .) GVbw !Reanalyze the system. Make sure to Tear Off original analysis before oaK: !re-executing to compare optimized system lGZVI !Re-execute Drawing ,-IR!,w VIE *o#lH GO ,; SAVE LENS AS. pDLoFA SAV digcam20_opt.len