The ULANZI DOF Adapter is an advanced smartphone SLR/DSLR & Cinema lens adapter.
It allows you to use an SLR/DSLR & Cinema lens with the powerful smartphone camera that you have in your pocket for an incredible bokeh, shallow depth-of-field and film-style look and the ability to pull focus manually like on professional cinema cameras. ULANZI DOF Adapter is a Sony E-Mount adapter, most of the full-frame manual lenses can be used with the proper adapter rings to E mount. And it should work with 17mm screw interface.（Our phone cases/rigs all can work with our DOF Adapter）
