Formatt Hitech 100mm (4") Aluminum Holder compatible with Lee and Nisi 100mm filters Professional 100mm aluminum holder made in UK for both standard and wide angle lenses Suitable for lenses up to 95mm including wide angle Adjustable filter slots enable use of 1,2 or 3 filters Adaptor ring to add polarizer and/or hood, and wide angle adaptors available Compatible with Cokin Lee and Nisi and other 100mm filters from 1.5-2mm depth