Sony RX100 M1: Close-Up Experiences - MagFilter Filter Adapter Installation
Carry Speed CS112 MagFilter Adapter Ring 52mm
Amazon.com: Kamerar MagFilter 52mm Threaded Adapter Ring with Carrier Bag, Magnetic Lens Filter Adapter Rings for Sony RX100 IV, V, VI, VII, Canon G5X Mark I II G7X Mark I II III
Magfilter 52mm Threaded Adapter Ring - YouTube
MagFilter Threaded Adapter Ring - Protech Distribution