MSCP

Men Spherical Candle power: The intensity of illumination from a lamp various in different direction. M.S.C.P is the average value in all direction.

Since 1 c.p emits 4p lumens MSCP lumens / $4^{\pi}$

MHCP

Mean hemispherical candle power MHCP upper or lower: The average candle power of light source in all direction in a plane through the center of the source and perpendicular to its axis.