Double Gauss Lens

100-mm f/2 Double Gauss lens with 14^o half field of view. This is a CodeV example lens.

      Double Gauss - U.S. Patent 2,532,751
                 RDY             THI     RMD       GLA           CCY   THC   GLC
 > OBJ:        INFINITY        INFINITY                          100   100
     1:        57.44977        8.746658       BSM24_OHARA          0   100
     2:       188.46007        0.298182                            0     0
     3:        34.88727       12.424230       SK1_SCHOTT           0   100
     4:        INFINITY        3.776966       F15_SCHOTT         100   100
     5:        21.46921       15.107864                            0     0
   STO:        INFINITY       12.921199                          100     0
     7:       -27.03491        3.776966       F15_SCHOTT           0   100
     8:        INFINITY       10.833928       SK16_SCHOTT        100   100
     9:       -34.98674        0.298182                            0     0
    10:       586.74049        6.858175       SK16_SCHOTT          0   100
    11:       -63.11521       63.137862                            0   PIM
   IMG:        INFINITY        0.000000                          100     0
  
 SPECIFICATION DATA
    EPD       50.00000
    DIM             MM
    WL          656.30    587.60    486.10
    REF              2
    WTW              1         1         1
    XAN        0.00000       0.00000       0.00000
    YAN        0.00000      10.00000      14.00000
    VUY        0.00000       0.20000       0.40000
    VLY        0.00000       0.30000       0.40000
  
 REFRACTIVE INDICES
     GLASS CODE                    656.30       587.60       486.10
    BSM24_OHARA                  1.614254     1.617644     1.625478
    SK1_SCHOTT                   1.606991     1.610248     1.617756
    F15_SCHOTT                   1.600935     1.605648     1.616951
    SK16_SCHOTT                  1.617271     1.620408     1.627559
  
 SOLVES
    PIM
  
 No pickups defined in system
  
  
 INFINITE CONJUGATES
    EFL       100.0005
    BFL        63.1379
    FFL       -31.2789
    FNO         2.0000
    IMG DIS    63.1379
    OAL        75.0423
    PARAXIAL IMAGE
     HT        24.9329
    ANG        14.0000
    ENTRANCE PUPIL
     DIA       50.0000
     THI       55.8662
    EXIT PUPIL
     DIA       57.3758
     THI      -51.6144

Ray Aberration Plot

Field Curvature/Distortion

Diffraction MTF

Spot Diagram

Through-Focus Spot Diagram

Field Angle
(degrees) RMS spot diameter (mm)

1 0 0.15211 0.09400 0.076167 0.11847 0.8313

2 10 0.16897 0.12187 0.092757 0.099039 0.13589

3 14 0.13598 0.09362 0.067944 0.077735 0.11421

Focal Shift (mm) -0.40 -0.20 0.00 0.20 0.40

Field	Angle (degrees)	RMS spot diameter (mm)
1	0	0.15211	0.09400	0.076167	0.11847	0.8313
2	10	0.16897	0.12187	0.092757	0.099039	0.13589
3	14	0.13598	0.09362	0.067944	0.077735	0.11421
Focal Shift (mm)	-0.40	-0.20	0.00	0.20	0.40

Maintained by John Loomis, last updated 3 June 1999