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Lenses

Tamron 17-70mm f/2.8 Di III-A VC RXD Lens for Sony E APS-C

★★★★★ 4.8 (1781) · Tamron
$599.00
Price captured 2026-09-21 · check Amazon for the current price.
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The world's first f/2.8 constant-aperture 17-70mm zoom for APS-C — a third-party favorite that beats first-party lenses on value.

Price history

Editor scores (0–10) — not a manufacturer spec.

Full specifications
MountSony E
Focal length17-70mm
Max aperture2.8
Weight544 g
Filter size67 mm
Stabilization✓ Yes
Weather sealing✓ Yes
Autofocus motorRXD (stepping motor)
Min focus distance—
TypeZoom

Editor's take

Tamron's constant f/2.8 standard zoom for Sony APS-C E-mount, the world's first lens of its kind covering 17-70mm — a widely praised, more affordable alternative to first-party Sony options.

The Tamron 17-70mm f/2.8 quickly became one of the best-selling third-party lenses for Sony APS-C bodies, and it's easy to see why: a fast constant f/2.8 aperture across a genuinely useful 17-70mm range, in a lens that costs less than most first-party alternatives while matching or beating them on image quality.

Tamron's RXD stepping-motor autofocus is quiet and fast, moisture-resistant construction with a fluorine coating on the front element adds durability, and built-in VC stabilization helps in low light and video. With over 1,700 reviews at 4.8 stars, it's one of the most consistently well-reviewed lenses in this entire catalog.

Pros

  • Constant f/2.8 aperture across the full zoom range
  • Significantly cheaper than equivalent first-party lenses
  • Moisture-resistant build with fluorine coating

Cons

  • APS-C only, not full-frame
  • Six-year warranty requires registration through Tamron
  • Slightly larger than some first-party APS-C zooms

Ideal for: Sony APS-C shooters who want a fast, versatile everyday zoom without paying first-party prices.

Reviews

Over 1,700 reviews at 4.8 stars make it one of the highest-rated lenses in the catalog, praised for its value and versatility.

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