Specifically designed to fit directly to certain large format wideangle lenses with an outside diameter of 100mm (filter thread often 95mm). It takes the standard 100mm filters.
The Upgrade Kit contains a filter holder and a tandem adaptor and converts your foundation holder into a professional kit.
An adaptor which joins two filter holders together allowing independent rotation of each holder.
Features two filter holders and a tandem adaptor to join them together. This allows independent rotation of grads, as well as the option to use more than four filters if desired.
Takes standard 100mm filters, and can be constructed to take up to four filters at any one time. It clips onto the adaptor ring which, in turn, screws onto your camera’s lens.