T TKFoto New Member Jun 28, 2013 #1 The ProGrey Filter Holder comes with 3 sets of filter guides. They allow users to either use 1, 2 or 3 slot-in filters. The ring adapter allows a CPL to be used with the filter holder without purchasing additional components.
The ProGrey Filter Holder comes with 3 sets of filter guides. They allow users to either use 1, 2 or 3 slot-in filters. The ring adapter allows a CPL to be used with the filter holder without purchasing additional components.
