PolarPro Thread Plate for Helix Magnetic Filter (77mm) and slots on both sides

and slots on both sides of the cage enable you to attach a carrying strap if desired

Global Live Streaming

giving you a more natural experience

Ace Pro & Ace Pro 2

PolarPro Thread Plate for Helix Magnetic Filter (77mm) and slots on both sidesPolarPro Helix Thread Plate Overview Key Features Magnetic Filter Adapter Ring Durable Brass Construction Fits 77mm Filter Threads Includes Helix Defender Plate This 77mm Thread Plate for Helix Magnetic Filters from PolarPro is a magnetic adapter ring that mounts directly onto the filter threads of a lens. Once mounted, it is compatible with all of the filters in the Helix magnetic filter system. Providing a secure attachment with a magnetic