Fujifilm XF 16mm f/2.8 R WR lens Color:Silver and is sealed to protect

and is sealed to protect from dust and moisture

180g Construction All-metal

Used Tamron 10-24mm f/3

and has faster/quieter AF - a better match for street and documentary

The GW-4 is not compatible with the GR IIIx

Fujifilm XF 16mm f/2.8 R WR lens Color:Silver and is sealed to protectAt a glance: Fujifilm XF 16mm f 2. 8 R WR compact 24mm equivalent wide prime for X mount APS C, weather sealed. About this lens The Fujifilm XF 16mm f 2. 8 R WR is Fujifilm's compact wide angle prime for their X mount APS C mirrorless system. At 16mm on APS C it gives a 24mm full frame equivalent field of view classic wide angle for landscape, architecture, environmental and street work. Weather resistant sealing. Build & handling Sensor coverage APS