Tamron wasn't the first third-party to release an autofocus lens for Sony's full-frame mirrorless camera system—it was beaten to the punch by the likes of Rokinon and Zeiss. But the 28-75mm f/2.8 Di III RXD ($799) is the first third-party zoom lens we've seen for the system. It's getting a lot of buzz from photographers using Sony gear, and with good reason. It's a full stop brighter than the Zeiss Vario-Tessar T* FE 24-70mm F4 ZA OSS, and a heck of a lot more affordable than the premium $2,200 24-70mm F2.8 GM. Its image quality isn't impeccable, but it's pretty darn good when you consider its price, size, and f-stop. If you don't have the budget for a premium G Master lens from Sony, this is a fine, affordable alternative, and an Editors' Choice. Design: Basic Black The 28-75mm ($899.00 at Amazon)(Opens in a new window) isn't a head-turner. The svelte zoom—measuring 4.6 by 2.9 inches (HW), weighs 1.2 pounds, and supports 67mm front filters—covers a 28-75mm range. It's at its shor...
The Tamron 28-75mm f/2.8 Di III RXD lens captures crisp photos, focuses quickly, and balances well on Sony full-frame cameras.
Compact; Wide, fixed aperture; Crisp results; Supports all Sony focus features; Quiet autofocus system; Moisture-resistant design
Not the best performer at 28mm f/2.8; Omits optical stabilization; Firmware update not available in macOS High Sierra