"I'd rather not set the camera on Auto, I'd set it to the minimum shutter speed you need to get images not affected by forward motion blur (which depends on the flight speed of your plane) and dial in aperture and ISO accordingly. I try to keep an…"

"The technique you are looking for is called 'Structure from Motion', a type of photogrammetry from the field of Computer Vision. I use (Agisoft PhotoScan Professional), too, which is able to export orthofoto mosaics and DEMs, but there are many more…"