From hobbyists to high-end professionals, the adapter ring can be used in conjunction with the M15 holder with a square and magnetic round filter available to meet the needs of landscape photographers.

【M15 Filter Holder System】
The M15 filter holder allows you to quickly and easily install the filter without removing the lens.
Set the magnetic round filter in the holder and secure the holder to the adapter ring. The front of the M15 holder is also designed to set 3 drop-in square filters at the same time and fit any brand square filter with a 150mm wide and 2mm thick.

This product is an adapter ring only.

Package Contents: Plastic bag with zipper: 1, filter adapter ring: 1.