• Monday , 25 May 2020

Review: Tamron 28-75mm f/2.8 Di III RXD Lens for Sony Full-Frame Cameras

Code Canyon

The Tamron 28-75mm f/2.8 lens is less than half the price of Sony’s 24-70mm f/2.8 GM. Does this lens live up to the hype?

I had a chance to finally use the Tamron 28-75mm f/2.8 Di III RXD which was notoriously backordered for months and months after its release. Surprisingly, the lens’ performance blew past my expectations, especially when it came to sharpness. A couple things I never really paid attention to before testing were its weight and size, but it really was impressive to hold in my hands and feel that difference. It does not seem like a full frame f/2.8 zoom lens.

What I Liked

  • The Tamron is more affordable than Sony’s 24-70mm f/2.8 GM lens.
  • It’s very sharp and the resolution holds up on the 61-megapixel Sony a7R IV.
  • Slim and light for its class; has a 67mm filter size.
  • The continuous autofocus kept pace with Real-time Eye AF in a studio setting.
  • Some level of weather resistance. Not sure if it’s the lens mount’s rubber gasket making a good seal, but it’s a notably tight fit to get on and off the camera body. I guess if it’s doing its job, that’s a good thing.

What Could Be Improved

  • No physical buttons on the lens body.
  • Susceptible to a little color fringing wide open on high contrast edges.
  • While Eye AF worked well with a stationary subject just moving their head around, the continuous autofocus was a little slow for reliable tracking of faster subjects.

The Tamron 28-75mm f/2.8 Di III RXD is priced at $879 and in stock now.


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