Fujifilm MCEX-16 16mm Extension Tube for X-Mount Nikon EN-EL21 and there are three other

and there are three other external pockets giving you plenty of accessory storage

71x Micro 4/3 Crop Factor Compensation

the aperture diaphragm uses nine rounded blades to create smooth bokeh

Adapts Minolta MD to Micro Four Thirds Cameras Satin surface finish

Click-less manual G aperture ring

Fujifilm MCEX-16 16mm Extension Tube for X-Mount Nikon EN-EL21 and there are three otherFujifilm MCEX 16 16mm Extension Tube for X Mount The Fujifilm MCEX 16 is a dedicated extension tube that is designed exclusively for XF and XC lenses and X series cameras. Mounting an extension tube between a lens and a camera body increases the distance between the lens elements and the sensor enabling users to focus closer than the normal minimum focus distance of the lens. Electronic contacts allow you to shoot with AF and AE using the tube