Sensei Pro 58mm Adapter Ring for 100mm Aluminum Universal Filter Holder

The Sensei Pro 58mm Adapter Ring for 100mm Aluminum Universal Filter Holder is designed to enable the use of a Sensei Pro 100mm Aluminum Universal Filter Holder on a lens with 58mm front filter threads. Grooved edges along the outer rim of this adapter ring allow the compatible filter holder's alignment teeth to fit, which helps to ensure optimal positioning of the holder and the filters placed within it. Aside from 58mm rear male threads which allow it to connect to a lens, the Sensei Pro 58mm Adapter Ring for 100mm Aluminum Universal Filter Holder also features 86mm front female threads. That feature enables this adapter ring to accommodate a thin, 86mm round filter when used along with the Sensei Pro 100mm Aluminum Universal Filter Holder. If a thin, 86mm round filter is used on the Sensei Pro 58mm Adapter Ring for 100mm Aluminum Universal Filter Holder, the rectangular filter slot closest to the rear of an attached Sensei Pro 100mm Aluminum Universal Filter Holder becomes unavailable. If a filter holde...