OM?4/3 Aluminum Alloy Lens Converter Adapter Ring for Olympus OM Lens to Olympus PENE-PL1/E-PL1s/E-PL2/E-PL3/E-P2/E-P3/EM/OM-D | Discovery Japan Mall - transfer, mail order proxy purchase service
Olympus OM Lens SLR Lens to Sony Alpha A-Mount Camera Bodies – Fotodiox, Inc. USA
Olympus TCON-T01 Tele Converter Lens for TG-1
For Olympus PEN & OM-D] Emolux PRO HD Scenic 0.45x ULTRA Wide Convert – altasfoto
Tutorial - Using Olympus: Adapters for Vintage Lenses - YouTube
Amazon.co.jp: OLYMPUS 3CON-P01 Converter Lens Set for Mirrorless SLR : Electronics
Olympus WCON-P01 Wide Angle Converter – Reef Photo & Video