Godox MF-R76 Macro Ring Flash MF-R76 B&H Photo Video
OLYMPUS Flash Adapter Ring FR-2 for M.ZUIKO DIGITAL ED 60mm F2.8 Marco Lens New | eBay
FR-2 OLYMPUS Flash Adapter Ring / For M.ZUIKO DIGITAL ED 60mm F2.8 Marco | eBay
Godox MF-R76 LED Micro Ring Flash with 2600mAh Li-ion Battery LCD Display Adapter Rings for Canon Sony Nikon Fuji Olympus Panasonic Pentax - Walmart.com