What filter size does the Fujifilm XF 50mm f/2 R WR take?

The Fujifilm XF 50mm f/2 R WR takes 46mm screw-in filters — its front filter thread is 46mm. Any standard 46mm UV, polarizer or ND filter screws straight on.

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Fujifilm X lenses that share the 46mm thread

Among the Fujifilm X lenses we have verified so far, this is the only one on 46mm.

Screw-in filters are mount-agnostic — 7 verified lenses on other mounts also take 46mm: see every 46mm lens.

A step-up ring also lets a 46mm lens use one size-larger filters, which is how many photographers standardize a single filter set across lenses.

All 46mm lenses: the 46mm hub · every covered lens: filter sizes index · this lens on Amazon: Fujifilm XF 50mm f/2 R WR

Thread sizes verified 2026-08-28 against community-maintained per-mount lens specification tables (compiled from the manufacturers' own spec sheets), matched brand-strictly to our lens index. Lenses whose thread we could not uniquely verify are left out rather than guessed — coverage grows as verified data lands.