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Tamron 17-70mm F/2.8 Di III-A VC RXD Lens

The Tamron 17-70mm f/2.8 VC RXD is a 17–70mm f/2.8 lens designed for Sony E mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Tamron 17-70mm F/2.8 Di III-A VC RXD Lens

Tamron 17-70mm F/2.8 Di III-A VC RXD Lens

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Lens Overview — Tamron 17-70mm f/2.8 VC RXD

The Tamron 17-70mm F/2.8 Di III-A VC RXD is a standard zoom lens designed for APS-C mirrorless cameras with a Sony E mount. Covering a focal length range of 17mm to 70mm, it offers a versatile spread from wide-angle to short telephoto — useful for everything from environmental portraits to street shooting and travel. The constant f/2.8 maximum aperture is a standout feature for a zoom in this category, providing consistent light-gathering performance across the entire zoom range.

Optical image stabilization, listed in the specifications as 'Optical' VC (Vibration Compensation), adds an additional layer of stability to help manage camera movement during handheld shooting. Autofocus is supported, with both auto and manual focus modes available, making it adaptable for photographers who prefer tactile control over focus. The lens accepts 67mm filters, which is a common and accessible filter thread size.

At 525g, it carries a moderate weight for its class. Designed specifically for APS-C mirrorless systems, it pairs natively with Sony E-mount bodies. Whether you're shooting stills or video, the combination of a fast constant aperture, optical stabilization, and a broad zoom range makes this a well-rounded option for APS-C shooters.

Key Features — Tamron 17-70mm f/2.8 VC RXD

Constant f/2.8 Aperture: Maintains a maximum aperture of f/2.8 throughout the entire zoom range, ensuring consistent exposure and low-light performance whether shooting wide or telephoto.

17-70mm Zoom Range: Covers wide-angle to short telephoto in a single lens, making it practical for street photography, travel, portraits, and everyday shooting on APS-C bodies.

Built-In VC Stabilization: Tamron's Vibration Compensation system provides optical image stabilization to reduce blur from camera shake during handheld shooting.

RXD Autofocus Motor: The Rapid eXtra-silent stepping Drive motor delivers fast, quiet autofocus well-suited for both stills and video recording.

Native Sony E Mount: Designed specifically for Sony E-mount APS-C mirrorless bodies, ensuring full electronic communication and compatibility with camera features.

APS-C Format Coverage: Optimized for APS-C sensors, providing an equivalent focal length range of approximately 25.5-105mm in full-frame terms.

Lens Specifications — Tamron 17-70mm f/2.8 VC RXD

Tamron 17-70mm f/2.8 VC RXD full specifications
SpecDetail
Use CasesTravel
Lens TypeZoom
FormatAPS-C
Zoom/PrimeZoom
Focal Length17–70mm
Maximum Aperturef/2.8
Camera SystemMirrorless
Lens MountSony E
AutofocusYes
Focus TypeAuto, Manual
Image StabilizationOptical
Filter Thread67mm

Description — Tamron 17-70mm f/2.8 VC RXD

The Tamron 17-70mm F/2.8 Di III-A VC RXD is a standard zoom built for APS-C mirrorless cameras on the Sony E mount. The focal length range runs from 17mm at the wide end to 70mm at the telephoto end, covering a broad standard zoom spread suited to a wide variety of shooting scenarios. A constant f/2.8 maximum aperture is maintained throughout the entire zoom range, allowing for consistent exposure control and shallow depth of field regardless of focal length.

Built-in optical image stabilization (VC) helps counteract camera shake during handheld use. Both autofocus and manual focus modes are supported, giving photographers flexibility depending on the situation. The lens uses a 67mm filter thread, making it compatible with a wide selection of aftermarket filters.

Weighing in at 525g, the lens offers a balance of capability and portability for everyday APS-C shooting. It is classified as a zoom lens in the standard focal length range.

Pros — Tamron 17-70mm f/2.8 VC RXD

  • ✓Constant f/2.8 maximum aperture across the full 17-70mm zoom range
  • ✓Optical image stabilization (VC) built in for steadier handheld shooting
  • ✓Broad focal length range from 17mm wide-angle to 70mm short telephoto

Cons — Tamron 17-70mm f/2.8 VC RXD

  • ✗At 525g, the lens is on the heavier side for an APS-C mirrorless zoom
  • ✗APS-C-only lens format limits use to crop-sensor bodies; not compatible with full-frame Sony E-mount cameras at full image circle
  • ✗No weather sealing information is available in the specifications

Reviews — Tamron 17-70mm f/2.8 VC RXD

Videos — Tamron 17-70mm f/2.8 VC RXD

Tamron 17-70mm f2.8 EXPERIENCE REVIEW | ZV-E10 II a6700 a6600 a6400 a6000 — Jason Vong

Frequently Asked Questions — Tamron 17-70mm f/2.8 VC RXD

What camera mount does this lens fit?+
This lens is built for the Sony E mount. It is designed specifically for APS-C mirrorless camera systems, so it pairs natively with Sony APS-C E-mount bodies.
Does this lens have image stabilization?+
Yes, the specifications confirm optical image stabilization is included, referred to as VC (Vibration Compensation). This helps reduce the effects of camera shake during handheld shooting.
What is the maximum aperture, and does it stay constant throughout the zoom range?+
The maximum aperture is f/2.8, and based on the specifications it is a constant value — meaning it does not change as you zoom from 17mm to 70mm. This is useful for maintaining consistent exposure and background separation across the zoom range.
What filter size does this lens use?+
The lens has a 67mm filter thread, which is a common size making it straightforward to find compatible filters such as polarizers or ND filters.
How heavy is this lens?+
The lens weighs 525g according to the specifications. This is worth considering if you plan to shoot handheld for extended periods or prefer a lighter travel kit.
Can I use this lens on a full-frame Sony E-mount camera?+
The lens is designed for the APS-C format. While the Sony E mount is shared between APS-C and full-frame Sony bodies, using an APS-C lens on a full-frame body typically results in vignetting unless the camera switches to a crop mode. The specifications confirm this is an APS-C lens.

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