Tamron 28-200mm f/2.8-5.6 Di III RXD Full-Frame Lens for Sony E-Mount, Black {67} A071

Tamron 28-200mm f/2.8-5.6: one lens, full-frame range, f/2.8 wide.

The 28-200mm f/2.8-5.6 Di III RXD is the first all-in-one zoom for full-frame mirrorless to open at f/2.8 at the wide end. That matters because most walk-around superzooms start at f/3.5 or slower, forcing you to bump ISO in mixed light. Here, 28mm at f/2.8 gives you a real option for low-light shooting without swapping glass. The 7x zoom range covers everything from environmental portraits to compressed telephoto at 200mm, all in a 116.8mm body weighing 575.5g with a 67mm filter thread.

Optically, Tamron built this around 18 elements in 14 groups, with specialized elements placed to control aberrations across a zoom range this wide. The RXD stepping motor keeps autofocus near-silent, which matters the moment you roll video, and full-time manual focus override lets you fine-tune without switching modes. Minimum focus distance of 7.5 inches at the wide end gives you a 1:3.1 magnification ratio, useful for product work or detail shots you wouldn't expect from a travel zoom.

Moisture-resistant construction and a fluorine-coated front element mean this lens handles real shooting conditions. At 1.27 lbs paired with a compact Sony mirrorless body, it's a single-bag solution that covers more ground than most two-lens kits.

Who It's For

Travel photographers get a 28-200mm range in one mount that covers street shooting at f/2.8 and distant subject compression at 200mm without carrying two primes and a telephoto. Video shooters working run-and-gun benefit directly from the near-silent RXD autofocus motor, which won't bleed into on-camera audio. Street photographers who move between tight interiors and outdoor scenes can work the full range without lens changes. Documentary and event shooters who need low-light capability at the wide end will find the f/2.8 maximum aperture at 28mm genuinely useful when venues go dark.

Key Features

• 28-200mm full-frame zoom with f/2.8 maximum aperture at wide end
• 18 elements in 14 groups with specialized optical design
• RXD stepping motor for near-silent, fast autofocus
• Full-time manual focus override without mode switching
• Moisture-resistant construction with fluorine-coated front element
• 7.5-inch minimum focus distance at 28mm with 1:3.1 magnification ratio
• 116.8mm length, 575.5g weight, 67mm filter thread

FAQ

Why does f/2.8 at 28mm matter on a superzoom?

Most all-in-one zooms start at f/3.5 or slower, forcing you to raise ISO in mixed light. f/2.8 at the wide end gives you real low-light options without swapping lenses.

How does this compare to two-lens kit coverage?

The 7x zoom spans 28-200mm, covering environmental portraits to compressed telephoto in one body. Paired with a compact mirrorless camera and weighing 1.27 lbs total, it's lighter than most two-lens setups.

What's the minimum focus distance and magnification ratio?

7.5 inches at the wide end with a 1:3.1 magnification ratio, which means you can shoot close detail work or product photography without expecting it from a travel zoom.

How quiet is the autofocus for video?

The RXD stepping motor runs near-silent, which matters immediately when rolling. Full-time manual focus override lets you fine-tune focus without switching modes.

Is this lens weather-sealed?

It has moisture-resistant construction with a fluorine-coated front element that handles real shooting conditions, but it's not fully sealed like professional lenses.

What's the filter thread size?

67mm, which keeps the lens compact and means your filter collection stays compatible across multiple lenses.

Does this work on crop-sensor Sony cameras?

It's built for full-frame E-mount bodies like the a7 series. On crop sensors, it effectively becomes 42-300mm, though Tamron doesn't market it for APS-C use.