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)