Recommended Cameras/DSLRs

Do somebody have experience with drones? I tried with DNG pictures done by Mavic drone and result is so-so . Too much of geometry noise and artifcats , some weird wholes and in general the geometry is a kind of a bit deformed. While at the same time I get pretty good results with my iphone DNGs same resolution even smaller matrix.

As of Sigma cameras I wonder if they are capable to do hundreds photos with appropriate speed. I tried one and it was super slow. I bet it would turning the whole capture process into non stop waiting.

Also I wonder if RC needs to do something for Image stabilized photos? Photoscan for example needs something in the settings ( can’t recall what it is ) Each image should have each own camera calibration or something