File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) _y_!_VL`xV
Display > View Lens (accept defaults, click OK, keep window open) __O~#A )d6
In LDM spreadsheet, lect surfaces 1 to Image vyvb_-oz;u 教学与管理
Choo Edit > Default Variables, then click in any cell to unlect the range QmC#1%@a_
Right click in each cell and choo Vary for _Vtv~j_J{m 月亮妈妈
Thickness of surfaces 1, 4, 6 V___<ii___ 元彻
Glass of surfaces 1, 4, 6 _O>eg_K,c
高中生周记File > Save Lens i<{:J -U|
Using Quick Analysis tool bar, click… F<4>g_+Ag
Quick Spot Diagram (note scale) &_Eh_O_Su_
Quick Ray Aberration Plot (note scale) zSags_H |W
Quick Field Plot (note scales and maximum distortion value) c"_diNbm[
Analysis > Diffraction > MTF +___GE_dVB
Freq/Calc Tab: Maximum 68, Increment 17 }a_g;yf_;
Graphics tab: Max plot freq 68 >mj WC_) U
Click OK (keep window open, tear off starting MTF graph for later comparison) &ZL4__/__e
Optimization > Automatic Design __ _s&iu+>
Output controls: Click Draw System button 6a704l%#hb
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) \_c1__>1_5
Specific constraints: _K7_t_
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Click Inrt Specific Constraint j8+>E_ ?nm
Default display is Optical Definitions, Effective Focal Length (correct choice) hh[x(O)TC~
Enter 8.25 for Constraint Target雉鸡怎么读 <tW/9}@p_9
Click OK. IdCE<Oj_\_
File > Save Lens As (new name, digcam20_opt.len) x *_a__43`
Re-run View Lens window to e new lens picture. o$_#q/_L
Re-run each of the Quick Analysis windows and note scales. N|%X/UjZ2.
Re-run the MTF window, compare to tear-off of starting point _U ]7;K>.T
! Command inputs for Workshop 2-2 (for reference)永锡尔类 rP#_&WSLVj
!
Restore 20 Degree Digital Camera Lens Setup Rq`5_ff3,_
!FILE > OPEN _B%5"B} nG
RES digcam20_start.len kG5Uc8 3#G
!Vary all radii curvature by right clicking in LDM and lecting VARY _ikO_9p|J_
!HINT: for curvatures highlight all and lect vary. Then go back and eh8lPTKil
!freeze stop surface radius. _ZH`__
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CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 {_"*_++_|
!Vary all thickness by same method. Do not lect surface with solve since Gz4_LjMQ &
!varying this surface will delete solve. If mistake, u UNDO or go to _4%4Yqx )
!LENS > SYSTEM DATA > SYSTEM SOLVES and relect Paraxial Image Solve |p_Bvy1e4)
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Gz_wb<_e y
THC S8 0 !Don't forget to vary the image distance which calculates best _w2KUvG-8_
!best real-ray focus from paraxial image plane 5_RP_5_%U
!Vary glass by highlighting, right clicking, and lecting Vary WX___G0Z
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GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 P<_;Puww/_
!Optimize OPTIMIZATION > AUTOMATIC DESIGN E_c^2tx"=_
AUT <sX_hIA^Fx
EFL Z1 = 8.25 !Effective Focal Length Constraint k__h_8 M=
MNT 0.8 !Minimum Center Thickness General Constraint *?VB
/yO=0
MNE 0.5 !Minimum Edge Thickness General Constraint Sj _IDzNI5
DRA S1..I YES !Draw a picture of lens system at each cycle __u6_8i_c1
GO y|NY,{:]
!Reanalyze the system. Make sure to "Tear Off" original analysis before V;Q@'_ <_w
!re-executing to compare optimized system c`_ N_MP__
!Re-execute Drawing n_a 0Z_b
VIE @Y<f__j^]k
GO _"!uS!BI?_
!Re-execute MTF AS0mM HJk
MTF d*=qqe _H
MFR 68瞻仰 B9__ ,_
IFR 17 "{3M
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GO O;T)u4Q_&3
!Re-execute Field (Distortion) Analysis l_Q_"t#b+
FIE 2wgcVQ Awa
GO 2_vdd_x<&
!Save Lens FILE > SAVE F=f9##Y?7M
SAV digcam20_opt
