Tamron 50-400mm F/4.5-6.3 Di III VC VXD (A067) vs Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (B061)

Both are Nikon Z mount zooms for telephoto and wildlife — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.

Last verified 2026-08-31 · Nikon Z mount · prices change — check the retailer

Which should you buy?

• the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (B061) opens wider (f/3.5-6.3) — brighter in low light and more background blur
• the Tamron 50-400mm F/4.5-6.3 Di III VC VXD (A067) covers 50-400mm and the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (B061) covers 18-300mm — pick the range that matches what you shoot
• the Tamron 50-400mm F/4.5-6.3 Di III VC VXD (A067) covers full-frame (also works on APS-C bodies); the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (B061) is APS-C-only — it won't fill a full-frame sensor

Where to buy

Check the Tamron 50-400mm F/4.5-6.3 Di III VC VXD (A067) price on Amazon → We could not find this one on Amazon US in Nikon Z — this button runs an Amazon search for it rather than opening a product page.

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Check the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (B061) price on Amazon →

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FAQ

What's the difference between the Tamron 50-400mm F/4.5-6.3 Di III VC VXD (A067) and the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (B061)?
The Tamron 50-400mm F/4.5-6.3 Di III VC VXD (A067) is 50-400mm f/4.5-6.3 zoom, full-frame; the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (B061) is 18-300mm f/3.5-6.3 zoom, APS-C. Both fit the Nikon Z mount.

Which is better in low light, the Tamron 50-400mm F/4.5-6.3 Di III VC VXD (A067) or the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (B061)?
The Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (B061) — its f/3.5-6.3 maximum aperture lets in more light and gives more background blur than the f/4.5-6.3 of the other.

Do the Tamron 50-400mm F/4.5-6.3 Di III VC VXD (A067) and Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (B061) fit the same camera?
Yes — both are Nikon Z mount lenses, so they fit Nikon Z series (Z6/Z7/Z8/Z9 full-frame, Z50/Zfc APS-C). Note the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (B061) is APS-C-only and won't fill a full-frame sensor.

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Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD (B061)Affiliate linkAmazon →