Tamron's 16-50mm f/2.8: One Fast Zoom For Every APS-C Mount

For years, the zoom lens in the bag was a big, slow one.

Buy an APS-C camera, and it usually came with a small zoom that ran f/3.5 at the wide end and f/5.6 by the time you zoomed in. Great on a sunny day. A struggle at dusk, indoors, or any time you wanted a soft out of focus background.

Well, Tamron’s new 16-50mm F2.8 A goes after that lens. It’s about the size of a kit zoom, it holds f/2.8 the whole way through the barrel, and it’s coming to all four big APS-C mounts.

The first two ship October 29.

The Lens

On Sony, Nikon, and Fuji bodies, 16-50mm works out to about a 24-75mm in full-frame terms. On Canon RF, with its slightly smaller APS-C sensor, it’s about 25.6-80mm.

Quick refresher: a smaller sensor crops the image, so a lens frames tighter than it would on full frame. If you want the full story, we’ve got a deep dive on crop factor in the archives.

That 24-75mm range covers most of what people shoot day to day. Wide enough for a landscape or a room, long enough for a head-and-shoulders portrait.

Here’s the lens details, from Tamron’s announcement:

• 14 elements in 10 groups
• VXD linear motor for autofocus
• f2.8 all through the lens
• Focuses as close as 15cm (6 inches) at 16mm, for 1:4.5 magnification
• 7 rounded aperture blades
• 55mm filter thread
• Moisture-resistant build and a fluorine coating on the front element
• About 305 grams (315 on Nikon Z), and about 8 centimeters long

That close-focus number is a fun one. At 6 inches, you can fill the frame with a flower, a coffee cup, or the texture of an old camera body. That’s pretty cool.

Four Mounts, One Lens

Most fast APS-C zooms start on one system and trickle out to others. Tamron’s releasing all around the same time, according to Fstoppers:

• Sony E: $529, October 29
• Canon RF: $549, October 29
• Nikon Z: $549, November 19
• Fujifilm X: $529, December 17

For Canon RF and Nikon Z shooters, that’s a big deal. Those two mounts have had fewer third-party APS-C options, and a fast standard zoom is the lens most useful for people.

What Early Reviews Say

Digital Camera World spent a weekend with the lens on a Sony A6700. The reviewer said it looks small enough to be a kit lens, and found it sharp with pleasing bokeh and attractive flare.

A few trade-offs came up:

• Barrel distortion at both ends and some vignetting at 50mm, which a lens profile corrects
• Minor purple fringing in high-contrast, backlit scenes
• The controls are a focus ring and a zoom ring, so aperture lives on the camera dial
• Stabilization comes from your camera body, so check that yours has it
• The lens extends as you zoom in

The lens has a USB-C port for firmware updates through Tamron’s app. And the reviewer gave it a spray from a plant mister, and it kept working.

^{Image credit: Tamron}

How It Stacks Up

• Sigma 18-50mm f/2.8 DC DN: a touch lighter, but it starts at 18mm, so you give up some wide angle. It’s also missing on Nikon Z
• Tamron 17-70mm f/2.8: more reach and built-in stabilization, in a bigger, heavier package
• Sony 16-55mm f/2.8 G and Fujifilm 16-55mm f/2.8 R LM WR II: heavier and pricier, with the Fuji adding an aperture ring

Who It’s For

If you shoot APS-C and you’re still using the kit zoom, this is the upgrade to look at first at a good price.

You get about a stop and a half more light at 50mm, real background blur for portraits, and a lens light enough to leave on the camera all day.

It’s a travel lens, a family lens, a walk-around lens. And at around $530 to $550, that’s a good value.

Now, the zoom lens in the bag is fast and lightweight.

The Details

• Tamron 16-50mm F2.8 A (Model B091) for Sony E: $529, October 29
• For Canon RF: $549, October 29
• For Nikon Z: $549, November 19
• For Fujifilm X: $529, December 17

Sources

• 16-50mm F2.8 A (Model B091) announcement, Tamron
• Tamron’s 16-50mm f/2.8 A Brings a Fast Zoom to Four APS-C Mounts From $529, Fstoppers
• Tamron 16-50mm f/2.8 A hands-on review, Digital Camera World
• Tamron announced a new 16-50mm f/2.8 APS-C lens for Nikon Z-mount, Nikon Rumors

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