The 17-28mm could be a little zoom with a giant, ultra-wide read. It measures three.9 by 2.9 inches (HD),

Compact Wide Zoom

Compact Wide Zoom

Tamron 17-28mm f/2.8 Di III RXD 2019-20 Tamron’s designers took a basic, minimalist approach to the 17-28mm’s aesthetics. It’s finished in black polycarbonate, with rubberized focus and zoom management rings, and an aesthetic silver accent ring round the mount. disapproval is unbroken to a minimum, with the Tamron brand in white below the main target ring.

The lens sports protection from dirt and splashes, still as gas protection for the front lens element. The dirt and splash protection matches the similar waterproofing Sony includes in its cameras, and gas helps to stay the front element freed from trash and smudges.

There’s no optical stabilization, therefore the lens depends on your camera’s in-body image stabilization (IBIS) system. In observe, i used to be ready to web hand-held exposures as long as 1/3-second at 17mm with extreme care once pairing the lens with AN a7R IV. At those drawn-out shutter speeds, subject motion can introduce additional blur than any shakiness in your hands.

Tamron’s designers took a basic, minimalist approach to the 17-28mm’s aesthetics. It’s finished in black polycarbonate, with rubberized focus and zoom management rings, and an aesthetic silver accent ring round the mount. disapproval is unbroken to a minimum, with the Tamron brand in white below the main target ring.

The lens sports protection from dirt and splashes, still as gas protection for the front lens element. The dirt and splash protection matches the similar waterproofing Sony includes in its cameras, and gas helps to stay the front element freed from trash and smudges.

There’s no optical stabilization, therefore the lens depends on your camera’s in-body image stabilization (IBIS) system. In observe, i used to be ready to web hand-held exposures as long as 1/3-second at 17mm with extreme care once pairing the lens with AN a7R IV. At those drawn-out shutter speeds, subject motion can introduce additional blur than any shakiness in your hands.

The 17-28mm could be a little zoom

Close focus is out there to seven.5 inches, that nets 1:5.2 life-size magnification at the a pair of8mm distance. You’ll seldom get true macro results from such a large lens, however you’ve got many flexibility to focus shut with this one.

Very Good Wide Open, Outstanding Stopped Down


I tested the 17-28mm beside a few of cameras, the 42MP a7R III and 60MP a7R IV within the field, and used the a7R IV and Imatest code to guage its optical performance within the science laboratory.

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At 17mm f/2.8, it resolves four,262 lines on a center-weighted analysis, a awfully sensible results of the a7R IV’s exigent device. The score is helped by outstanding performance within the central third of the frame (5,100 lines), however will collapse to a additional earthy three,500-line score, solidly within the sensible vary, through the middle elements and outer boundary.

There’s a general transaction in resolution, to a superb four,800 lines averaged across the frame, with outstanding center resolution that offers thanks to excellent results as you progress toward the outer boundary.

The 17-28mm could be a little zoom

Resolution primarily evens out at f/5.6, with the common score touch an impressive five,059 lines, with edge performance that lags solely slightly behind. It maintains a high level of performance at f/8 (4,764 lines) and f/11 (4,339 lines), however drops down a touch at f/16 (3,522 lines) and f/22 (2,315 lines), showing the optical phenomenon limits of the a7R IV’s device.

At the point of the zoom, 22mm, we have a tendency to see a small drop by wide-open resolution, to 3,879 lines at f/2.8. Here, central resolution is outstanding (5,358 lines), however the middle elements of the frame are simply acceptable (3,044 lines) and edges show noticeable softness (2,108 lines).

Tamron 17-28mm f/2.8 Di III RXD : Sample Image

We see some improvement at f/4, wherever the common resolution is about to wonderful, 4,400 lines, with outstanding center resolution and extremely sensible performance up to the sting. The story is that the same at f/5.6 (4,512 lines), f/8 (4,435 lines), and f/11 (4,296 lines), before dropping off evidently at f/16 (3,593 lines) and f/22 (2,346 lines).

The 17-28mm could be a little zoom

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Resolution ticks down at 28mm, particularly at the sides. the common score at f/2.8 is 3,607 lines, within the sensible vary for this device. Again, we have a tendency to see the simplest resolution at the middle (4,552 lines), sensible results through the middle elements (3,633 lines), and blurred edges (1,709 lines).

Tamron 17-28mm f/2.8 Di III RXD : Sample Image

The average improves slightly at f/4 (3,597 lines), however the image is that the same as at f/2.8. It’s at f/5.6 wherever we have a tendency to see a major jump in clarity, to a superb four,500 lines. There’s still some softness at the terribly edges of the frame, however they’re not terrible at a pair of,850 lines.

You’ll need to use f/8 for landscape shots wherever you would like the foremost detail across the whole thing of the image. The lens manages four,681 lines on the average and, whereas the sides aren’t quite that sensible, they’re still within the excellent vary, simply keep of four,000 lines. You’ll additionally get sensible results at f/11, tho’ there’s a general softening because of optical phenomenon at f/16 (3,705 lines) and f/22 (2,449 lines).

Overall, we have a tendency to are terribly pleased with the resolution the 17-28mm is ready to deliver, particularly once you take into account its value, size, and wide angle of coverage. you are doing ought to stop down a touch to urge absolutely the best results out of a 60MP device, however it’s sensible observe to try to to therefore for any shot wherever you actually want crisp corners.

Tamron 17-28mm f/2.8 Di III RXD : Sample Image

Vignette and distortion are well controlled. There’s a awfully modest dimming at the corners once shooting at 17mm f/2.8, however it’s not apparent at narrower apertures or once zoomed in. There’s no visible barrel distortion at 17mm either, tho’ we have a tendency to do see the cushion result at 22mm (2.6 percent) and 28mm (2.8 percent). Lightroom will embody a lens profile to get rid of distortion, if it detracts from a picture.

Beyond Budget Performance
Like the 28-75mm that came before it, the Tamron 17-28mm f/2.8 Di III RXD could be a boon for Sony system house owners looking on a budget. It punches higher than its weight, delivering AN f/2.8 aperture, robust optical performance, and a large angle of read with modest zoom power for a value that’s but [*fr1] that of the Sony metallic element 16-35mm F2.8 GM OSS.

Tamron 17-28mm f/2.8 Di III RXD : Sample Image

And whereas the 17-28mm prices less, it’s designed quite well, with dirt and splash protection and a gas front coat, all options we have a tendency to expect from high-end optics. There are some sacrifices, of course—it doesn’t reach 35mm once zoomed in on balance, therefore you’ll ought to take a step or 2 forward to web a tighter shot.

Tamron is doing a fine job filling gaps in Sony’s first-party lineup. The 17-28mm and 28-75mm are each on sale currently, and type the inspiration of a awfully solid, however budget-friendly, kit. it’s a 70-180mm f/2.8 Di III VXD coming back next spring, miscalculation out the cluster. It additionally features a trio of f/2.8 prime lenses, in 20, 24, and 35mm focal lengths coming back, for simply $349 from each one.

Tamron 17-28mm f/2.8 Di III RXD : Sample Image

If you’re within the marketplace for a large zoom for your Sony camera, the Tamron 17-28mm ought to be right at the highest of your list, particularly if you’re looking on a budget, and earns our Editors’ selection recommendation. The metallic element 16-35mm F2.8 gram OSS remains a superb high-end possibility, however the 17-28mm is almost nearly as good a performing artist at but [*fr1] the value. It’s adequate to stay up with a7R IV, and can haven’t any downside maintaining with a 24MP model just like the a7 III.

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