Table 4
Optical Elements of the Earth Camera

  Mirror,               Area,      Radius, r,    Focal       OffAxis
(Description)           (cm2)         (cm)      Length,    Distance, H,
                                                 (cm)          (cm)

MES1                    15.2         2.2        -6.515        ---
(Spherical Convex)

MES2                    26.4         2.9        12.917       3.996
(OffAxis Parabola)

MES3                    11.3         1.9        11.794        ---
(Spherical Concave)