The first thing to consider when using a drone to shoot weddings or anything else, of course, is picking an aircraft that holds the combined weight of the camera with battery and lens, plus the gimbal system. For very lightweight cameras—especially action cameras like the GoPro HERO line—this generally means a quadcopter. For mirrorless cameras, and especially DSLRs, you will need at least a hexa- if not an octo-rotor.
The first thing to consider when using a drone to shoot weddings or anything else, of course, is picking an aircraft that holds the combined weight of the camera with battery and lens, plus the gimbal system. For very lightweight cameras—especially action cameras like the GoPro HERO line—this generally means a quadcopter. For mirrorless cameras, and especially DSLRs, you will need at least a hexa- if not an octo-rotor.