Ulanzi 17mm Thread Smartphone Case for iPhone 12

In addition to providing protection from everyday bumps and scratches, this 17mm Thread Smartphone Case for iPhone 12 from Ulanzi gives you the ability to upgrade your mobile photography. The rear of the case features a 17mm threaded attachment over the iPhone's cameras, letting you screw in optional lenses, such as zoom or anamorphic lenses. When you're not shooting, the shallow depth of the connection allows the case to retain a slim form factor.