Unless there is good control over the camera, which will need a gimbal and extra software etc then there may be a small forward looking fixed camera for navigation.

Fixed camera: The same criteria also exist for the surveying camera
Resolution/Zoom: Live video feed
Weight: 88g
Power usage: Own power
Manufacturer: Hero4 Black USA
Software

http://smashingdrones.com/gopro-camera-best-drones-for-gopro/