The Tamron 28-75mm f/2.8 Di III VXD G2 (Model A063) is a full-frame standard zoom lens for Sony E-mount mirrorless cameras, covering 28–75mm at a constant f/2.8 aperture, weighing 540g, with a 67mm filter thread, 18cm minimum focus distance, and VXD linear autofocus motor.
Key Specifications
- Focal length: 28–75mm
- Maximum aperture: f/2.8 constant across the entire zoom range
- Minimum aperture: f/22
- Lens mount: Sony E (full-frame FE compatible)
- Autofocus motor: VXD (Voice-coil eXtreme-torque Drive) — fast, quiet, and continuous
- Minimum focus distance: 0.18m (18cm) — unusually close for a standard zoom
- Filter thread: 67mm
- Aperture blades: 9 (rounded) for smooth, circular bokeh
- Weight: 540g
- Zoom type: Standard zoom
What makes the Tamron 28-75mm f/2.8 Di III VXD G2 special?
The G2 is the second-generation version of Tamron's popular 28-75mm f/2.8. Central sharpness at 28mm is excellent wide open at f/2.8 and stays that way through f/5.6, with sharpest results typically between f/4 and f/8. The outer image field is very good even at f/2.8, which is uncommon for a zoom at this price point. The VXD linear motor delivers fast, decisive autofocus — particularly noticeable when shooting sports, events, or video. Build quality is solid, with weather sealing across 8 points, a USB-C port for firmware updates and custom AF tuning, and an improved Focus Set button.
The 9-blade rounded aperture produces smooth, pleasing bokeh — valuable for portrait work at 75mm. The 18cm minimum focus distance lets you isolate close-up details like eyes or accessories without switching lenses, adding to the lens's versatility for travel, events, and everyday photography.
The closest rival is the Sigma 24-70mm f/2.8 DG DN Art (also for Sony E-mount). The Sigma starts at 24mm versus the Tamron's 28mm, but the Tamron extends to 75mm — 5mm longer than the Sigma's 70mm — giving shallower depth of field at maximum reach and better optical compression for portraits. The Tamron is also lighter and more compact. For Sony full-frame shooters seeking one versatile fast zoom, the Tamron 28-75 G2 delivers near-premium performance in a lighter, more affordable package.
The Sony FE 24-70mm f/2.8 GM II is the premium native alternative, sharper at wide apertures and with superior flare control — but considerably heavier on budget and weight. Many photographers on mirrorless systems find the real-world optical difference negligible for events, travel, and portrait work.
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