The Backscatter Flip 3.1 55mm Filter Holder is a threaded adaptor that
allows you to mount the various lenses to the Flip 3.1 frame. Backwards
compatible with the original Flip 3 frame. Can be mounted on either the TOP
flip or the SIDE flip accessory.
*Requires the Backscatter Flip 3.1 BS-FLIP31-COMBO