What filter size does the Sony FE 400-800mm f/6.3-8 G OSS take?

The Sony FE 400-800mm f/6.3-8 G OSS takes 105mm screw-in filters — its front filter thread is 105mm. Any standard 105mm UV, polarizer or ND filter screws straight on.

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Sony E lenses that share the 105mm thread

Among the Sony E lenses we have verified so far, this is the only one on 105mm.

Screw-in filters are mount-agnostic — 1 verified lens on other mounts also takes 105mm: see every 105mm lens.

A step-up ring also lets a 105mm lens use one size-larger filters, which is how many photographers standardize a single filter set across lenses.

All 105mm lenses: the 105mm hub · every covered lens: filter sizes index · this lens on Amazon: Sony FE 400-800mm f/6.3-8 G OSS

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.