Very easy to use, filter holders just snaps to the adaptor ring. They have been designed to offer the best user experience : rotating a polariser, sliding a filter into place, fine-tuning a gradient filter and so on. Once attached on your lens, you can use several filters at the same time. Lightweight and robust, filter holders will become your best companion for creative moments. Filter-holders exist in four different sizes to cover every lenses, from CSC Mirroless to medium format or high end video cameras.