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What filter size does the Tamron 11-20mm f/2.8 Di III-A RXD take?

The Tamron 11-20mm f/2.8 Di III-A RXD takes 67mm screw-in filters — its front filter thread is 67mm. Any standard 67mm UV, polarizer or ND filter screws straight on.

The Fujifilm X and Sony E versions of this lens take the same 67mm thread.

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Canon RF lenses that share the 67mm thread

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

Screw-in filters are mount-agnostic — 88 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: Tamron 11-20mm f/2.8 Di III-A RXD

Tamron 11-20mm F/2.8 Di III-A RXD for Canon RF APS-C Mount

Tamron 11-20mm f/2.8 Di III-A RXD

Fits
Canon EOS R7, Canon EOS R50, Canon EOS R50 V and 2 more Canon RF cameras
Type
wide-angle zoom 11-20mm
Max aperture
f/2.8
Weight
340 g
Weather-sealed
Yes
See price on Amazon

Thread sizes verified 2026-09-03 against per-mount lens specification tables and, where no such table exists (L-mount), the manufacturers’ own published specification pages, 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.

Citing these specs? Go ahead — manufacturer data, last verified 2026-06-21. Copy a ready-made reference:

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