What filter size does the Panasonic Lumix G 100-300mm f/4-5.6 II take?

The Panasonic Lumix G 100-300mm f/4-5.6 II takes 67mm screw-in filters — its front filter thread is 67mm. Any standard 67mm UV, polarizer or ND filter screws straight on.

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Micro Four Thirds lenses that share the 67mm thread

Buy one good set of 67mm filters and it also fits:

• Panasonic Leica DG 42.5mm f/1.2 — 42.5mm f/1.2
• Panasonic Leica DG 50-200mm f/2.8-4 — 50-200mm f/2.8-4
• Panasonic Leica DG 8-18mm f/2.8-4 — 8-18mm f/2.8-4

Screw-in filters are mount-agnostic — 22 verified lenses on other mounts also take 67mm: see every 67mm lens.

A step-up ring also lets a 67mm lens use one size-larger filters, which is how many photographers standardize a single filter set across lenses.

All 67mm lenses: the 67mm hub · every covered lens: filter sizes index · this lens on Amazon: Panasonic Lumix G 100-300mm f/4-5.6 II

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.