快速设计一个30倍的变焦镜头：SYNOPSYS 光学设计软件

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第38课展示了如何设计8X变焦镜头。现在我们做一个复杂的设计，以30X变焦为目标，来设计一款变焦镜头。 +w[ZMk
 
设计要求如下： B?&0NpVD  
1.    变焦30倍 2.    半视场角14° 3.    最后一面的半孔径为3mm 4.    使用11个镜片 5.    四组镜片，其中两组是用来变焦 6.    像高5mm 7.    后焦距20mm 8. 总长600mm 9.物距从无穷远到5m范围内对焦清晰 ^f>c_[fR  
ZSEARCH输入如下:

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      LOG    ! to keep track of things later ON 98 \dU.#^ryp  
      TIME    ! to see how long this run took CORE 14 mlc8q s  
      ZSEARCH 3 QUIET    ! save results in library location 3 \},H\kK+^  
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      SYSTEM 9b >+ehjB  
      ID ZSEARCH TEST (z8ZCyq7r[  
      OBB 0 14 3    ! infinite object, 14 degrees semi field, 2.85 mm semi KWDH 35  
      ! aperture.    This defines the wide-field object mCt/\  
      UNI MM WAVL CDF END rD21:1s  
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      GOALS ZOOMS 7 oU,8?(}'~  
      GROUPS 2 3 4 2    ! lens has four groups with 11 elements altogether 7:F0?l*  
      ZGROUP 0 Z Z 0    ! and groups 2 and 3 will zoom ?@P
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      ZFOCUS 5000 4 90 5    ! also correct range focus at 5 meters cvy 5|;-u  
      FINAL    ! declare the desired object at the last zoom position, :vIJ>
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      ! which is the narrow field zoom ma-GvWD2  
      OBB 0 0.4666 90 kjPf%*3  
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      ZSPACE NONLIN 1.7 ! other zoom objects will be nonlinearly spaced between the tvf.K+  
      ! first and last -q9m@!L  
      APS 19    ! put the stop on the first side of the last group DELAY OFF }%}$h2
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      GIHT 5 5 10 ! the image height is 5 mm for all zooms, with a weight of 10. BACK 20 .1    ! the back focus is 20 mm and will vary.    A target will be 5\zR>Tg".  
      ! added to the merit function with a low weight. s%y<FXUj  
      COLOR M    ! correct all defined colors evZP*N~G  
      ANNEAL 50 10 Q    ! anneal the lens as it is optimized in both modes QUICK 40 40    ! 40 passes in quick mode, 40 in real-ray mode jNx{*2._r  
      ASTART 22 6<@+J  
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      TSTART 12 END C3^3<  
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      SPECIAL PANT CUL 1.75 Z1
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      FUL 1.75 END DM v;\E~D  
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      SPECIAL AANT *YH!L{y  
      ACA 55 1 1    ! monitor rays to keep away from the critical angle. AEC 2 1 1 z[ ;n2o|s  
      ACM 4 1 1 d, g~.iS~  
      ACC 35 1 1 &+02Sn3A  
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      LUL 600 .1 10 A TOTL END hj"JmF$m  
      GO    ! start ZSEARCH @i'D)6sC  
      TIME    ! see how long the run took.

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      CAM 15 SET

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      CAM 100

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      CAM 100 APERT

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      ZSPACE NONLIN 1.7

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    ZOOM        1 N1g;e?T':  
    M    0.500000E+01        0.100000E+02    A    GIHT >op/<?<  
    GSR    0.000000        5.000000        4    M    0.000000 WSeiW  
    GNR    0.000000        3.000000        4    M    0.750000 He4q-\ht  
    GNR    0.000000        1.000000        4    M    1.000000 hC{2LLu;n  
    LUL 600 .1 10 A TOTL tculG|/  
    ZOOM    2 _{^F8  
    M    0.500000E+01    0.100000E+02    A    GIHT y#Nrq9r:  
    GSR    0.000000    5.000000        4    M    0.000000 vm*9xs  
    GNR    0.000000    3.000000        4    M    0.750000 K4NzI9@  
    GNR    0.000000    1.000000        4    M    1.000000 4E!Pxjl3a  
    LUL 600 .1 10 A TOTL 4 }_}3.  
    ZOOM    3 Yx. t+a-  
    M    0.500000E+01    0.100000E+02    A    GIHT R(y`dQy<K  
    GSR    0.000000    5.000000        4    M    0.000000 *2pE39  
    GNR    0.000000    3.000000        4    M    0.750000 JKp@fQT *  
    GNR    0.000000    1.000000        4    M    1.000000 # 6?2 2Os  
    LUL 600 .1 10 A TOTL N/0Q`cQ-  
    ZOOM    4 [KO\!u|?YS  
    M    0.500000E+01    0.100000E+02    A    GIHT +&X>ul  
    GSR    0.000000    5.000000        4    M    0.000000 NJ}xqg  
    GNR    0.000000    3.000000        4    M    0.750000 T3)m{gv0`  
    GNR    0.000000    1.000000        4    M    1.000000 ByWad@-6i  
    LUL 600 .1 10 A TOTL
Z'^.H3YvL  
    ZOOM    5 c7?|Tipc  
    M    0.500000E+01    0.100000E+02    A    GIHT >i1wB!gc8  
    GSR    0.000000    5.000000        4    M    0.000000 *"/BD=INv}  
    GNR    0.000000    3.000000        4    M    0.750000 |
QH )A  
    GNR    0.000000    1.000000        4    M    1.000000 75Bn p9  
    LUL 600 .1 10 A TOTL bw#\"uJ  
    ZOOM    6 TxkvHiq2  
    M    0.500000E+01    0.100000E+02    A    GIHT
zS?}3#g0u  
    GSR    0.000000    5.000000        4    M    0.000000 jP3~O  
    GNR    0.000000    3.000000        4    M    0.750000 0B`rTLwB  
    GNR    0.000000    1.000000        4    M    1.000000 sh<JB`^$(?  
    LUL 600 .1 10 A TOTL |])Ko08*tE  
    ZOOM    7 aI\>=*HF  
    M    0.500000E+01    0.100000E+02    A    GIHT 5=MM^$QG  
    GSR    0.000000    5.000000        4    M    0.000000 Si#XF[/  
    GNR    0.000000    3.000000        4    M    0.750000 h7]>b'H  
    GNR    0.000000    1.000000        4    M    1.000000 @yPI$"Ma  
    LUL 600 .1 10 A TOTL

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      ZGROUP ALL 9JC8OSjJ  
      M    0.500000E+01    0.100000E+02    A    GIHT g
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      GSR    0.000000    5.000000        4    M    0.000000 6ozBU^n  
      GNR    0.000000    3.000000        4    M    0.750000 UB;~Rf(.  
      GNR    0.000000    1.000000        4    M    1.000000 `p^xdj}  
      LUL 600 .1 10 A TOTL 9VTE?,  
      END

!.={p8X-x  
    ZFOCUS    0.500000E+04    4    0.900000E+02    0.500000E+01 @2$iFZq~  
    ZGROUP    ALL j7&0ckN&G  
    GSR    0.000000    5.000000    4    M    0.000000 b(g?X (&  
    GNR    0.000000    3.000000    4    M    0.750000 ;%i.@@:IQ  
    GNR    0.000000    1.000000    4    M    1.000000 p7
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    END 0.t1p(x;  
    END

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      CAM ZMAG 0.0333333 NONLIN 1.7

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AEI 4 1 123 0 0 0 20 2

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      SYNOPSYS AI>1 TH? %8GY`T:^  
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      The thickness or spacing of surface number    1    is    35.36316744

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      ACC 50 1 1

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      ADT 7 .1 1

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      ZFOCUS 5000 4 90 5

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      … MoP0qNk  
      OBB  0.000000    14.00000    3.00000    -60.69895    0.00000    0.00000    3.000 f)+fdc  
      ZFILE  2 &Qdd\h#  
      CAM RANK  9 BqKh&m  
      CAM EXPONENT  0.800000 /TgG^|  
      5 10 !>+Na~eN  
      11 18 DFOCUS RSOLVES CUBIC 9m fYB  
      …

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是波妞啊:感谢楼主分享 oWo"`"P  
可以自己试一试啦 f 7et  
 (2019-03-20 15:25)  xK0VWi