What filter size does the Panasonic Lumix G 25mm f/1.7 take?

The Panasonic Lumix G 25mm f/1.7 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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Micro Four Thirds lenses that share the 46mm thread

Buy one good set of 46mm filters and it also fits:

• OM System M.Zuiko 17mm f/1.8 — 17mm f/1.8
• Panasonic Leica DG 15mm f/1.7 — 15mm f/1.7
• Panasonic Leica DG 25mm f/1.4 II — 25mm f/1.4
• Panasonic Lumix G 20mm f/1.7 II — 20mm f/1.7

Screw-in filters are mount-agnostic — 3 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: Panasonic Lumix G 25mm f/1.7

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.