From NAirobi you could fly into the MAra to an air strip near your camp or drive for 5-6 hours through the rift valley.
bean bags are provided in all safari vehicles. Carry a light jacket for the mornings and evenings.You will need a long lens. Preferabally carry a 300 mm lens or bigger with an extender.Carry plenty of memory cards and a lap top to back up images
This Lioness had climbed up on the stump of this fallen tree to get a glimpse of the Wilder beast afar in the grass lands and suddenly turned towards us giving this beautiful stretched out pose for the frame.