The new iPhones are already capable of capturing amazing videos and photos. With the Beastgrip DOF Adapter MK3, you can attach DLSR lenses to your phone. It lets you attach full-frame camera lenses to your smartphone and get that shallow depth of field for a more cinematic look. You will be able to manually pull focus on your lenses to shift focus from one subject to another and add more depth to your videos.
This new version has been completely redesigned to work with the latest smartphone models. It has a clever locking mechanism for easier alignment. The DOF Adapter MK3 is made for full-frame lenses. It uses a Canon EF Mount. It is recommended you use fast DSLR lenses with aperture ranging from f/1.2 to f/2.8 for the best results.[where to get it]