Fotodiox Pro Automatic Macro Extension Tube, 20mm Section Compatible with Fujifilm GFX G Mount Cameras for Extreme Close up Photography

Maintains the electronic functions of the lens, including auto-focus and auto-exposure; Adds 20mm of extension All metal construction and smooth surface for effortless mounting No optical insert - maintains lens optical quality Can combine tubes for various macro ratios Limited 2-Year Manufacturer Warranty