Amazon.co.jp: JJC GN-2 Aluminum Alloy Ring Cap Compatible with Ricoh GR IIIx GR3x GRIIIx Ricoh GN-2 Ring Cap Compatible Blue : Electronics
Camera Lens Decoration Protect Ring Cap for Ricoh GR III GR II GR2 GR3 Accessory | eBay
Amazon.co.jp: RICOH GN-1 Ring Cap, Dark Gray, Compatible Models: GR III, Dark Gray with Metallic Finish, Replacement Ring Cap to Dress Up Your Camera : Computers
Ricoh GR III pre-orders in the UK come with a free limited edition blue ring cap - Pentax & Ricoh Rumors
NiSi Ring Caps For Ricoh GR IIIx Rose Red & Silver
Camera Canada :: RICOH :: External Blue Ring for GRIII