This filter adapter ring fit into the lens to accommodate the filter holder.

Features:
Made of Metal aluminium alloy.
Compatible with Cokin Z-pro series filter holder and 100mm series filter.
There are screws on the ring to keep the filter set much steady.
It can be precisely adjusted and attached to the lens by means of a screw-in adapter ring. 

Specifications:
Adapter ring fit filter size: 72mm
Material: Metal
Weight: 50g / 1.77oz

Package List:
1 * Adapter Ring