Tom Barrance of LearnAboutFilm.com, posted this extremely detailed article on how you can create a documentary filmmaking kit with your iPhone 6S. In his kit, he used the Ztylus Pistol Grip Kit and the Z-Prime Lens Kit! Read his article here!
This ergonomic Pistol Grip for your smartphone is the only handle grip available with a wide platform. The large plastic molded handle is ergonomic and stable when shooting video.
The Z-Prime Lens Kit is the essential starting point for building your professional iPhoneography system. Each lens has 5 glass elements in 4 groups that enable corner to corner sharpness with ultra low distortion. The lenses are optically engineered to be perfect at their respective focal lengths.