Fujifilm's weather-sealed pancake prime, the thinnest WR lens in the X-mount system.
The Fujifilm XF 27mm f/2.8 R WR was released in 2021 as the weather-resistant update to the original XF 27mm f/2.8 (2013), adding weather sealing and an aperture ring while maintaining the pancake form factor. The 27mm focal length provides a 41mm full-frame equivalent — a near-standard perspective slightly tighter than 35mm. At 84g it is among the lightest Fujifilm X-mount lenses and enables the most compact possible X-series carrying configuration. The 39mm filter thread is the same diameter as Leica M-mount screw-in filters.
The optical design uses 7 elements in 5 groups. Seven rounded aperture blades produce smooth bokeh at f/2.8. The 39mm filter thread requires a dedicated filter set — 39mm is uncommon in most standard filter collections and step-up rings to 43mm or 46mm are advisable. At 84g the lens adds negligible weight to any X-series body. Minimum focus distance of 0.34m. Weather resistance requires a weather-sealed X-series body for full system protection. The aperture ring provides direct tactile control.
The 41mm equivalent perspective is a near-standard field of view suited for street photography, casual documentary, and everyday carry where a single compact lens is practical. At 84g the lens enables a genuinely compact X-series kit — the combined weight of the XF 27mm WR with a compact body like the X-E4 is under 400g. Weather sealing extends the working envelope for outdoor and light rain use when paired with a sealed X-series body. The aperture ring provides direct manual aperture adjustment.
On the used market the XF 27mm f/2.8 R WR is available at moderate prices. The original XF 27mm f/2.8 (non-WR) is available at lower prices without weather sealing or aperture ring — the WR version is the recommended choice for outdoor photographers. Condition checks: aperture ring click consistency, AF motor response, and front element for marks. The 39mm filter thread requires a dedicated step-up ring for standard filter sizes. Compatible with all Fujifilm X-mount bodies.