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Tamron 17-28mm f/2.8 Di III RXD Full-Frame Lens for Sony E-Mount, Black {67} A046

Model #381940
  • $567.00

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New in box complete with manufacturer's USA warranty. Not previously owned or used.
Essentially new with no signs of use. “Open box.” In manufacturer's packaging with original accessories and instructions. 180-day warranty.
Barely used with virtually no traces of wear. Only the closest inspections will reveal slight use. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Lightly used with limited signs of wear. Exceptionally nice but may have slight wear on finish visible. Lens glass could contain light dust or debris. Excellent picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Noticeably used with average signs of wear. Shows moderate wear for the age of the item, with the possibility of blemishes and/or minimal dings. Lens glass may have average dust and zoom/focus ring tension may have slight looseness or tightness overall, but will not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Frequently used with above-average wear. May have dents, dings, or finish loss. Lens glass may have small scratches, dust, and blemishes, and zoom/focus ring tension may have moderate looseness or tightness overall, but should not affect picture quality. Accessories usually not included, unless noted in listing. 180-day warranty.
Heavily used with extensive visible wear. Equipment is rough, with multiple impressions in the finish, excessive finish loss and brassing. Glass will have marks, fungus and/or heavy/cloudy haze which could affect picture quality. Accessories usually not included, unless noted in listing. Not covered under KEH warranty.
Non-functional or damaged. Equipment will not work. Usable for parts. Not covered under KEH warranty and non-returnable.
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Tamron's compact 17-28mm f/2.8 built for Sony mirrorless shooters

The 17-28mm range sits in a sweet spot for wide-angle work on full-frame Sony bodies. At f/2.8 constant through the zoom, you get genuine low-light latitude without stopping down as you push wider or tighter across the range. That's not a given at this focal length, and it matters when you're shooting after dark or in mixed interior light.

Tamron's optical formula includes both XLD and LD glass elements to cut chromatic aberration and color fringing, issues that plague uncorrected wide-angle designs at the corners of a full-frame sensor. BBAR coatings handle flare and ghosting in backlit situations. The RXD autofocus motor runs quiet enough for video work and responds quickly for stills, with full-time manual focus override available when you need precise control. Minimum focus distance sits at 7.5 inches, which gives wide-angle close-focus options that most primes in this range can't match.

The 67mm filter thread is a practical detail for landscape photographers who already own graduated NDs or polarizers in that size. Moisture-resistant construction and a fluorine-coated front element make this a usable option in wet or dusty conditions. For Sony mirrorless shooters who want a capable wide-angle zoom without carrying a much larger, heavier first-party option, this lens earns its place in the bag.

Who It's For

Landscape and astrophotography shooters get the most direct benefit here: the f/2.8 constant aperture gathers enough light for night sky work, the XLD and LD elements keep stars at the corners clean, and the moisture-resistant build survives the locations where those shots happen. Architectural and interior photographers working on Sony A7 or A9 series bodies will use the 17mm end to work tight spaces without distortion artifacts compounding their corrections. Video-oriented shooters benefit from the RXD motor's near-silent operation, which keeps focus noise off audio tracks during run-and-gun documentary or event work.

Key Features

  • 17-28mm focal range on full-frame Sony E-mount
  • Constant f/2.8 maximum aperture across entire zoom
  • XLD and LD optical elements reduce chromatic aberration
  • RXD stepping motor for fast, silent autofocus
  • 7.5 inch minimum focus distance for close-focus work
  • 67mm filter thread for compatibility with existing kit
  • Moisture-resistant design with fluorine-coated front element

FAQ

What's the closest you can focus with this lens?
7.5 inches minimum focus distance, which is unusually close for a wide-angle zoom and gives you genuine macro-style options when you're shooting architecture or detail work at 17mm.
Does the f/2.8 aperture stay constant across the zoom range?
Yes. f/2.8 holds from 17mm through 28mm, so you're not losing light as you push wider or tighter - that's the point of calling it a constant aperture design.
How does this compare to Sony's native wide-angle zooms?
Tamron's keeping the weight and size down compared to first-party options while delivering the same constant f/2.8 aperture and optical correction. Trade-off is slightly smaller size and weight in your bag.
What's the RXD motor and why does it matter?
RXD is Tamron's stepping motor. It's fast for stills autofocus, nearly silent for video work, and you get full-time manual focus override when you need to dial in focus manually.
Will this lens handle wet or dusty conditions?
Moisture-resistant construction plus a fluorine-coated front element mean it can handle inclement weather. The fluorine coat also keeps fingerprints and dust from sticking to the glass.
What filter size do I need?
67mm. If you already own graduated NDs or circular polarizers in that size, this lens plays nicely with your existing filter kit.
How does Tamron control chromatic aberration at these focal lengths?
XLD and LD glass elements in the optical formula suppress color fringing and chromatic aberration, which is crucial for clean wide-angle rendering across a full-frame sensor.
SpecificationValue
Focal Length17-28mm
Max Aperturef/2.8
MountSony E
Aperture TypeConstant
Tamron Model CodeA046
Filter Diameter67 mm
Autofocus SystemRXD (Rapid eXtra-silent stepping Drive)
Optical ElementsXLD and LD elements
DiscontinuedNo
Package Weight1.715 lb
Box Dimensions Lxwxh7.9 x 5.9 x 5.6

This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.

Brand Name Tamron
Filter Size 67mm
Focus Type Autofocus (lens motor)
Lens Mount Sony E Mount
Lens Type Ultrawide
Max Focal Length 28mm
Min Focal Length 17mm