17mm Thread In Case Lens Mount The back of the case has a 17mm thread mount for attaching a 17mm lens, enabling the use of an additional lens for the phone camera. Anti-drop and Shockproof Protection This 14 pro protective case provides anti-drop and shockproof protection to help prevent scratches, dust ingress, and damage from falls. PC and Aluminum Construction Made of premium PC and aluminum, this case for 14 pro is wear resistant and long lasting. Slim and Light Design The case is compact and lightweight, easy to carry and fits in a pocket. Compatibility Designed for 14 pro. Use scenarios - Photography with external lenses: attach a 17mm lens to expand capabilities for landscape or wide-angle shots. - Daily protection: use during commutes and routine use to reduce scratches, dust exposure, and impact from minor drops. - Travel and pocket carry: slim profile and light weight make it convenient to store in a pocket or small bag.