The NiSi S5 filter holder is ideal for landscape photographers who wish to combine an ultra-wide-angle lens with a filter system. The S5 filter holder system is constructed with aluminum alloy utilizing CNC technology. It allows the use of an integrated PRO CPL and two 150mm filters without vignetting throughout 360 degrees of rotation. It’s a new 150mm filter system which includes a multiple model adapter to allow use with selected ultra-wide-angle lenses. Find out more.