Lens comparison · Sony E / FE · updated 5 November 2026

Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD vs Sigma 16-300mm f/3.5-6.7 DC OS Contemporary

Verdict

Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD has more in its favour on paper.

Choose the 18-300mm f/3.5-6.3 Di III-A VC VXD for

  • a lower price (about £440 vs £540)
  • weather sealing

Choose the 16-300mm f/3.5-6.7 DC OS Contemporary for

  • less weight (535g vs 620g)
  • a wider starting focal length (16mm vs 18mm)
18-300mm f/3.5-6.3 Di III-A VC VXD16-300mm f/3.5-6.7 DC OS Contemporary
BrandTamronSigma
Focal length18-300mm16-300mm
Maximum aperturef/3.5-6.3f/3.5-6.7
Weight620 g535 g
StabilisationYesYes
Weather sealingYesNo
Filter size67mm67mm
Made forAPSCAPSC
New price£649£649
Used at MPB (Sony E / FE)£414–£464£539–£539

Frequently asked questions

Is the Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD better than the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary?

The 18-300mm f/3.5-6.3 Di III-A VC VXD offers a lower price (about £440 vs £540), weather sealing; the 16-300mm f/3.5-6.7 DC OS Contemporary offers less weight (535g vs 620g), a wider starting focal length (16mm vs 18mm).

Which is better value, the 18-300mm f/3.5-6.3 Di III-A VC VXD or the 16-300mm f/3.5-6.7 DC OS Contemporary?

On Sony E / FE, the Tamron 18-300mm f/3.5-6.3 Di III-A VC VXD costs about £440 against about £540 for the Sigma 16-300mm f/3.5-6.7 DC OS Contemporary (MPB used where listed, otherwise new; checked 5 November 2026).

Do both lenses fit the same cameras?

Both are available for Sony E / FE (and other mounts: Fujifilm X, Canon RF / RF-S, Nikon Z, L-Mount). Both are made for crop sensors.