The NiSi 72mm Filter Adapter Ring is specially designed for using the S5 system for Sony 12-24mm f/4 on lenses which have 72mm filter thread. This new adapter allows you to use the S5 filter system for Sony 12-24mm f/4 with the original lenses it was designed for in addition to other lenses you may also own of 72mm diameter. The adaptor ring features No Vignetting.
