Sony RX100 VA (also fits V, IV, III, II &1) Quick Change Filter Adapte – Lensmate : Specialty Digital Photo Products
Sony Cyber-shot RX100 III Compact Digital Camera DSC-RX100M3 w/ Zeiss 24-70mm Zoom Lens Power Bundle with Deco Photo Strap w/ Built In Camera Charging + 2x Battery + Case + Tripod Grip
Jjc Filter Mount Adapter For Sony Rx100m5a Rx100m5 Rx100m4 Rx100m3 Rx100m2 Rx100 Cameras 52mm Filters Tube Kit Lens Cap Keeper - Camera Filters - AliExpress
52mm Filter Adapter + Lens Cap + Lens Cap Keeper for Sony RX100 VA V IV III II | eBay
JJC RN-RX100V Filter Adapter & Lens Cap Kit for Sony RX100M5A, RX100M5,M4,M3,M2 and RX100 - YouTube
Which Filter Adaptor for RX100 IV?: Sony Cyber-shot Talk Forum: Digital Photography Review