The NiSi 77mm Filter Adapter Ring is specially designed for using the S5 system for Sigma 14mm f/1.8 DG Art Series on lenses which have 77mm filter thread. This new adapter allows you to use the S5 filter system for Sigma 14mm f/1.8 DG Art Series with the original lenses it was designed for in addition to other lenses you may also own of 77mm diameter. The adaptor ring features No Vignetting.
