Tamron SP AF 28-75mm f/2.8 DI III VXD G2 - Nikon Z

The Tamron SP AF 28-75mm f/2.8 Di III VXD G2 is a 550g standard zoom for Nikon Z mount, covering 28–75mm at a constant f/2.8 aperture, with a VXD linear motor for fast, accurate autofocus.

Key Specifications

• Focal length: 28–75mm
• Aperture range: f/2.8–f/22, constant throughout the zoom range
• AF motor: VXD (Voice-coil eXtreme-torque Drive) linear motor
• Filter thread: 67mm
• Aperture blades: 9 (rounded)
• Weight: 550g
• Mount: Nikon Z (native mirrorless mount)
• Zoom type: Standard zoom
• Model code: A063

What makes the Tamron 28-75mm f/2.8 Di III VXD G2 special?

The G2 generation is a meaningful step up from the original Tamron 28-75mm f/2.8 Di III RXD. The VXD linear motor delivers autofocus roughly twice as fast as the older RXD motor and is also more accurate — a big deal when you're tracking moving subjects or shooting in challenging light.

Compared to the Nikon Z 24-70mm f/2.8 S, the Tamron gives up 4mm at the wide end but is substantially lighter and more compact — a trade-off many photographers happily make for day-long shoots. Optically, the Tamron holds its own against the Nikon at most focal lengths and apertures. Against the Sigma 24-70mm f/2.8 DG DN Art, the Sigma offers a wider angle of view (24mm vs 28mm), but the Tamron is lighter and the VXD motor is snappy.

Sharpness is a genuine highlight: at 28mm, central sharpness is outstanding from f/2.8 through f/5.6, excellent at f/8, and very good at f/11 — meaning you don't need to stop down just to get a sharp image. The 9-blade rounded aperture keeps bokeh smooth and pleasing, which matters at 75mm f/2.8 for portraits and wedding details.

Who is the Tamron 28-75mm f/2.8 Di III VXD G2 for?

This lens fits a wide range of mirrorless shooters, but a few groups will benefit most:

• Wedding and event photographers — constant f/2.8 in a 550g package means less fatigue on a long day, and the fast VXD AF keeps up with unpredictable moments.
• Travel and street photographers — the lightweight design and 28–75mm range cover most everyday scenarios without the need for lens swaps.
• Content creators and run-and-gun videographers — the silent, precise VXD autofocus and compact form factor make this ideal for hybrid photo/video work.