M1 70mm SQUARE FILTER HOLDER KIT FOR Φ 30mm - 58mm LENS Slots for 2 Rectangular Filters No Vignetting CNC Technology & Aluminum-Alloy Construction Rapid Installation and Quick Release Built-in CPL Rotates Using Geared System 360 Degrees Rotation Built-in CPL Rotates Using Geared System Rapid Installation and Quick Release 360 Degrees Rotation HIGHLIGHTS Holder Pro CPL 58mm Main Adapter * Adaptor Rings For M1 Sold Individually (37mm,39mm,40mm,40.5mm,43mm,46mm,49mm,52mm,55mm ) CONTENT INSTALLATION VIDEO NiSi 70mm System Filter Holder Kit M1 is made from aviation-grade aluminum with single element processing by CNC Machine. It includes Pro C-PL filter and 58mm main adapter. Other adaptor ring sizes can be purchased separately from 37mm to 55mm.
