FUJIFILM X/GFX USA on Twitter: "Capture fantastic detail with the mirrorless medium format #GFX50S and the newl MCEX-18G WR and MCEX-45G WR macro extension tubes! Here's one by @markusandkoala with the GF120mmF4
Fujifilm Macro Tube for GFX (MCEX-45G WR) - FUJIFILM X-Space