NiSi 70mm System Aluminium Filter Holder Kit M1 is made from aviation-grade aluminum with single element processing by CNC Machine. It also has a matte black frosted finish surface. It is anti-corrosion and won’t distort. This filter holder will allow 2 square filters (70x80mm and 70x100mm) and 1 round CPL filter. It includs 1x CPL filter and 58mm adaptor ring. Other adaptor ring size can be purchased separately 37mm to 55mm.
The NiSi 70mm filter system is great for compact and mirrorless cameras with lenses that have a standard filter thread from 37mm to 58mm.