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Tamron 17-70mm F2.8 Di III-A VC RXD Lens - Sony E Mount
The 17-70mm F2.8 Di III-A VC RXD is Tamron's first high-speed zoom lens to be designed specifically for mirrorless cameras with APS-C size sensors. Featuring a maximum aperture of F2.8 across the entire zoom length and superb optical performance it is a small, lightweight lens that is also equipped with VC (Vibration Compensation) to minimize camera shake. This VC mechanism leverages AI technology when shooting video.
The lens is compatible with many of the features that Sony builds into its cameras, including Fast Hybrid AF and Eye AF, has a Moisture-Resistant Construction, Fluorine Coating and a 67mm filter size.
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Key Features:
- World’s first high-speed standard zoom lens for APS-C cameras with the focal length range of 17-70mm 4.1x zoom ratio
- Outstanding optical performance
- Continuous f2.8 throughout the zoom range
- Perfect for video
- Minimum Focusing Distance of 19cm
- Portable and compact design
- Moisture-resistant construction
- RXD system (Rapid eXtra-silent Stepping Drive)
- Compatible with camera-specific features and functions
- Weighs just 525g
World’s first high-speed standard zoom lens for APS-C cameras
The 17-70mm F2.8 Di III-A VC RXD Lens has a focal length range of 17-70mm (25.5-105mm, 35mm equivalent) and is the first F2.8 high-speed zoom lens in the world for APS-C mirrorless cameras to achieve a 4.1x zoom ratio.
Outstanding optical performance
The lens is constructed of 16 elements in 12 groups. Two GM (Glass Molded Aspherical) lens elements and one hybrid aspherical lens element are precisely arranged to maintain high-resolution performance from edge to edge. At 70mm, a commonly used telephoto zoom focal length, the design delivers excellent resolution from edge-to-edge.
Minimum Focusing Distance of 19cm
The 17-70mm F/2.8 Di III-A VC RXD zoom focuses close, down to 0.19m MOD (Minimum Object Distance). This is far superior to the performance achieved by conventional high-speed zoom lenses for APS-C cameras. In addition, the 0.39m MOD at the 70mm telephoto end ensures good close-range shooting performance allowing photographers to enjoy compelling close-up shots.
Portable and compact design
The 17-70mm F/2.8 Di III-A VC RXD zoom measures a scant 119.3mm in length and 74.6mm in maximum diameter and weighs only 525g. This is remarkable for a lens with built-in VC image stabilization. When used with Sony's APS-C mirrorless cameras, this zoom is nicely balanced and provides a comfortable user experience.
Perfect for video
The high-speed auto-focus is extremely quiet thanks to its RXD (Rapid eXtra-silent stepping Drive) AF motor unit, allowing virtually noise-free, quiet operation for video and photos. Thanks to the exceedingly quiet AF, the lens can be used discreetly in concert halls and other situations that require low noise levels, and obviously for video recording.
The lens also features VC (Vibration Compensation) to minimize camera shake. This feature is available when the lens is used with cameras with or without in-body image stabilization. When shooting video, by leveraging AI technology, image stabilization performance improves compared to conventional models.
Moisture-Resistant Construction
The lens is resistant to fingerprints and dirt thanks to its Moisture-Resistant Construction and hydrophobic Fluorine Coating. Seals are located at the lens mount area and other critical locations to deter infiltration of moisture and/or raindrops. This feature provides an additional layer of protection when shooting outdoors under adverse weather conditions.
Compatible with camera-specific features and functions
Tamron’s new 17-70mm F/2.8 Di III-A VC RXD is compatible with many of the advanced features that are specific to certain mirrorless cameras. These include the following:
- Fast Hybrid AF
- Eye AF
- Direct Manual Focus (DMF)
- In-camera lens correction (shading, chromatic aberration, distortion)
- Camera-based lens unit firmware updates
Want to learn more?
Read our review of this lens: Architecture Photography with the Tamron 17-70mm f2.8
FAQs
What filter thread is this lens?
The Tamron 17-70mm F2.8 Di III-A VC RXD Lens features the same 67mm filter diameter as many of their other lenses allowing you to use the same filters and lens caps across the range.
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