I'm looking to buy M12 lenses to replace the regular GoPro lens for shooting 360. What are the best ones out there (except the entaniya's)? I suppose 190° is enough and 220° seems like the maximum for my purpose. Any of these here? http://nl.aliexpress.com/wholesale?catId=0&initiative_id=AS_20160413033252&SearchText=m12+lens+220 Anyone has tested various kinds? Thanks for any waypoint whatsoever!