Cooke Triplet

100-mm f/4 Cooke triplet with 10o half field of view. This design is by Chen-Yu Fan.

     Designstudy2
                RDY             THI     RMD       GLA           CCY   THC   GLC
> OBJ:        INFINITY        INFINITY                          100   100
    1:        38.06431        5.000000       SK16_SCHOTT          0   100
    2:       240.41416       13.894762                            0     0
  STO:       -52.90933        1.250000       F4_SCHOTT            0   100
    4:        33.96810        9.705481                            0     0
    5:        85.59492        5.000000       SK16_SCHOTT          0   100
    6:       -41.69665       84.522465                            0   PIM
  IMG:        INFINITY        0.000000                          100   100
 
SPECIFICATION DATA
   FNO        4.00000
   NFO              5
   FFO       -1.00000
   IFO        0.50000
   DIM             MM
   WL          650.00    550.00    450.00
   REF              2
   WTW              1         1         1
   XAN        0.00000       0.00000       0.00000
   YAN        0.00000       7.00000      10.00000
   VUY        0.00000       0.00000       0.00000
   VLY        0.00000       0.00000       0.00000
 
APERTURE DATA/EDGE DEFINITIONS
   CA
        APERTURE data not specified for surface Obj thru   7
 
REFRACTIVE INDICES
    GLASS CODE                    650.00       550.00       450.00
   SK16_SCHOTT                  1.617521     1.622608     1.631356
   F4_SCHOTT                    1.612031     1.620161     1.635120
 
SOLVES
   PIM
 
No pickups defined in system
 
 
INFINITE CONJUGATES
   EFL       100.0000
   BFL        84.5225
   FFL       -74.6102
   FNO         4.0000
   IMG DIS    84.5225
   OAL        34.8502
   PARAXIAL IMAGE
    HT        17.6327
   ANG        10.0000
   ENTRANCE PUPIL
    DIA       25.0000
    THI       22.5872
   EXIT PUPIL
    DIA       25.7209
    THI      -18.3610

Ray Aberration Plot


Maintained by John Loomis, last updated 14 June 1999