Tamron 70-180mm f/2.8 Di III VXD Lens Detailed Specifications
The new Tamron 70-180mm f/2.8 Di III VXD Lens (model A056) for Sony E-mount will be officially announced this week. The US price will be less than half of the Sony FE 70-200mm F2.8 GM OSS lens ($2,598), probably around $1,199. And here are the detailed specifications & info of the Tamron 70-180mm f/2.8 Di III VXD Lens.
|Lens focus||70-180 mm|
|24×36 equivalent focal length if APS-C sensor||105-270 mm|
|Compatible sensors||24×36 and APS-C|
|Objective stabilization||via housing|
|AF motorization||VXD linear motor|
|Maximum opening||f / 2.8|
|Mini opening||f / 22|
|Diaphragm||circular 9 slats|
|Lenses / groups||19/14|
|Minimum focusing distance||0.85 m|
|Maximum reproduction ratio||x 0.22|
|Filter diameter||67 mm|
|Lens dimensions||81 x 149 cm|
|Lens weight||810 g|
|Supplied accessories||Sun visor / Front / rear plugs|
The 70-180mm f / 2.8 has a compact (149mm) and lightweight (810g) construction with a filter diameter of 67mm, identical to other FE 67mm zooms, the 17-28mm f / 2.8 and 28-75mm f / 2.8 and fixed focal lengths 20, 24 and 35mm f / 2.8. The optical construction includes several special glass elements which contribute to the high image quality of the lens. Its minimum focusing distance of only 0.85 m extends the overall versatility of the 70-180 mm. The lens benefits from the VXD (Voice-coil eXtreme-Torque Drive) autofocus motor newly developed by Tamron which produces a linear autofocus drive quieter and faster than ever.
It is fully compatible with various features specific to Sony FE such as Fast Hybrid AF and Eye AF.
FE series 67 mm: designed for the
Tamron hybrid now presents a coherent and homogeneous range of 6 optics for Sony FE with a diameter of 67 mm with f / 2.8 aperture. The optics of this series are all designed and designed with the same philosophy and meet the new performance and compact needs of hybrid photography:
– Exceptional optical quality – 100% compatibility with Sony technologies (Eye-AF, Internal corrections)
– Mobility: limited weight and size + all-weather construction
– Versatility: record minimum adjustments, etc.
Compactness and lightness
It was possible to reach 810g to make it 2x lighter than its competitors and a length of 140mm thanks to an extreme compactness even with a constant f / 2.8 aperture taking advantage of the image stabilization of the camera. The filter diameter is 67 mm like the other optics in the Tamron FE range. Its ultra-compact size facilitates freehand shooting.
New AF VXD Engine Provides High-Speed, High-Precision AF Focus Performance
Tamron has developed its first linear drive focusing mechanism, called VXD (Voice-coil eXtreme-couple Drive), specially designed for 70-180 mm f / 2.8. While operating faster than ever, the drive maintains accuracy up to 0.005mm, less than a tenth the width of a human hair. A floating system uses two high speed and high precision VXD units. This innovative design produces sharp images on near and far subjects. Discreet, it allows silent shooting in all circumstances. Athletes and moving vehicles are among the subjects commonly photographed with this type of telephoto lens. It provides users with a silent and high-precision shooting experience, not only for still images but also for videos.
Uncompromising image quality
The 70-180mm f / 2.8 has an optical construction of 19 elements divided into 14 groups. It includes a total of six XLD (eXtra Low Dispersion) and LD (Low Dispersion) lens elements combined, and three GM (Glass Molded Aspherical) and aspherical hybrid elements combined. The special lenses are optimally arranged to correct chromatic aberration and maintain very high resolution performance from edge to edge. This model also benefits from the BBAR-G2 coating (Broad-Band Anti-Reflection Generation 2), which minimizes ghost images and reflections and produces breathtaking and clear images with fine details. In addition, excellent image quality over the entire zoom range is ensured by the camera’s distortion correction. Finally, the bokeh effect obtained at
Record minimum focus of 0.85 m
The new 70-180 mm f / 2.8 lens has a record minimum focus of 0.85 m over the entire focal range. This short focusing distance opens up new perspectives for telephoto shooting with a maximum magnification ratio of 1: 4.6 to 180mm. At 70mm, it is also possible to take pictures from a distance of 0.27m when the manual focus (MF) is set on the camera. However, the results are less optimal.
Moisture resistant construction, fluorine coating and zoom lock
Seals are located in the lens assembly areas and other critical locations to prevent ingress of moisture and / or raindrops and allow for a moisture resistant construction. This function provides an additional layer of protection when shooting outdoors in adverse weather conditions. In addition, the surface of the front lens is covered with a protective fluorine compound which has excellent water and oil-repellent qualities. The lens surface is easier to clean and is less vulnerable to the damaging effects of dirt, moisture or fingerprints, making maintenance much easier. Also, the Zoom Lock switch prevents unwanted extension of the barrel from
Compatible with the main features and functions specific to Sony hybrid cameras
The new Tamron 70-180mm f / 2.8 is compatible with many advanced features specific to Sony hybrid cameras:
– Fast Hybrid AF
– Eye AF
– Direct Manual Focus (DMF)
– Internal camera correction (shading, chromatic aberration, distortion)
– Firmware update via the camera
(Functionalities vary depending on the camera. Please consult the instruction manual of your camera for more details.)
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