MikroKopter is a German company, a subsidiary of HiSystems GmbH, that manufactures battery-powered radio-controlled unmanned aerial vehicles.
Started in 2006 by Holger Buss and Ingo Busker, MikroKopter used a team of pilots to develop within 6 months a platform with great stability, manoeuvrability and powerful enough to lift a payload of several kilograms.
[1] MikroKopter produce various multi-rotor models such as QuadroKopter (a quadcopter), HexaKopter and OktoKopter.
CCTV cameras provide feedback on position to the controlling computer, permitting complex manoeuvres that include tumbling.
[3] In February 2012 an animal rights group used a MikroKopter to film hunters shooting pigeons in South Carolina.