Sony FE 24-70mm f/2.8 GM II vs Tamron 28-75mm f/2.8 Di III VXD G2

Both are Sony E mount zooms for pro standard zoom and everyday — here's how the specs differ and which to pick. Specs are the makers' published figures; some weights and filter sizes come from a lens database quoting them.

Last verified 2026-09-01 · Sony E mount · prices change — check the retailer

Spec	Sony FE 24-70mm f/2.8 GM II	Tamron 28-75mm f/2.8 Di III VXD G2
Focal length	24-70mm	28-75mm
Max aperture	f/2.8	f/2.8
Weight	695 g	540 g
Filter thread	82mm	67mm
Weather sealing	Yes	Yes
Focus	Autofocus	Autofocus
Type	zoom	zoom
Coverage	full-frame	full-frame
Mount	Sony E	Sony E

Which should you buy?

The Sony FE 24-70mm f/2.8 GM II covers 24-70mm and the Tamron 28-75mm f/2.8 Di III VXD G2 covers 28-75mm — pick the range that matches what you shoot
The Sony FE 24-70mm f/2.8 GM II is first-party (Sony), so autofocus and in-camera corrections are the camera maker's own; the Tamron 28-75mm f/2.8 Di III VXD G2 is third-party — usually the value pick
The Tamron 28-75mm f/2.8 Di III VXD G2 is 155 g lighter (540 g vs 695 g)
Filters are not shared: the Sony FE 24-70mm f/2.8 GM II takes 82mm and the Tamron 28-75mm f/2.8 Di III VXD G2 takes 67mm

Where to buy

Sony FE 24-70mm F2.8 GM II Full-Frame Zoom Lens

Sony FE 24-70mm f/2.8 GM IISee price on Amazon

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Tamron 28-75mm F/2.8 Di III VXD G2 for Sony E-Mount Full Frame/APS-C (6 Year Limited USA Warranty)

Tamron 28-75mm f/2.8 Di III VXD G2See price on Amazon

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FAQ

What's the difference between the Sony FE 24-70mm f/2.8 GM II and the Tamron 28-75mm f/2.8 Di III VXD G2?
The Sony FE 24-70mm f/2.8 GM II is a 24-70mm f/2.8 zoom, full-frame; the Tamron 28-75mm f/2.8 Di III VXD G2 is a 28-75mm f/2.8 zoom, full-frame. Both fit the Sony E mount.

Do the Sony FE 24-70mm f/2.8 GM II and Tamron 28-75mm f/2.8 Di III VXD G2 fit the same camera?
Yes — both are Sony E mount lenses, so they fit Sony a7/a9/a1 (full-frame) and a6000-series (APS-C).

Citing these specs? Go ahead — manufacturer data, last verified 2026-09-01. Copy a ready-made reference:

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Sony FE 24-70mm f/2.8 GM IIAffiliate linkSee price on Amazon