Are you confident that would be it? thanks
Was it sunny out? That often happens when the sun shines through props.
A lens hood usually resolves that issue. I cannot recommend any for the P3 -- but, you should try something like this:
http://rover.ebay.com/rover/1/711-5...ep_vectorid=229466&kwid=902099&mtid=824&kw=lg
Benjamin Jarvis, nothing else causes that issue. If you don't want to try a lens hood, then try an ND filter. You'll probably need one anyhow at some point -- especially if you plan on editing your videos afterwards.