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Tamron 17-28mm f2.8 - Tamron Lenses For SonyLarge aperture F/2.8 ultra-wide-angle zoom lens for full-frame mirrorless
Step out of the normal lens zone and into the wilds of wide-angle with the 17-28mm F/2.8 Di III RXD (Model A046), a large aperture ultra-wide-angle zoom lens for Sony E-mount that provides unrivalled portability and superb image quality. It’s the smallest and lightest weight zoom lens in its class, yet offers outstanding optical performance and it 7.5 in. MOD at the wide end encourages richly expressive and creative photography.
This compact but powerful tool will boost your mobility and drive your vision of capturing subjects in new ways. Find an authorized Tamron dealer today.
Tamron makes large aperture ultra wide-angle photography more exciting, and for this lens we focused on usability. The 17-28mm zoom range was carefully selected; that paved the way for a surprisingly small size—just 99mm (3.9 in) long, weighing but 420g (14.8 oz). The overall length of the lens does not change during zooming, thereby offering consistent handling and stable shooting operations. In addition, the Φ67mm filter size is small for a large aperture ultra wide-angle zoom lens. Plus, it shares the same filter diameter as the high-speed standard zoom lens in the series, the 28-75mm F/2.8 Di III VXD G2 (Model A063). This means the same filters such as PL (Polarizer), lens caps and other accessories may be used for both models.
The 17-28mm zoom provides magnificent image quality without compromise despite its compactness. Two LD lens elements and one XLD element (which has properties close to fluorite) are precisely located to quash chromatic and other aberrations. In addition, the BBAR (Broad-Band Anti-Reflection) Coating applied to lens surfaces reduces ghosting and flare that are otherwise likely to occur when shooting against the sunset’s glow and other backlit situations. Leveraging camera functions*, it provides excellent optical performance matching the latest high resolution image sensors from edge-to-edge throughout the entire zoom range. The 17-28mm zoom invites you into the breathtaking world of ultra wide-angle photography.
* When shooting with the camera’s lens correction function enabled.
The 17-28mm zoom features an MOD of 0.19m (7.5 in) at the wide 17mm end, rendering a maximum magnification ratio of 1:5.2. At the tele end, the MOD is 0.26m (10.2 in) and the maximum magnification ratio is 1:6. In short, you can easily get close enough for a powerful shot. Your images can emphasize the perspective unique to ultra wide-angle lenses, and you can produce soft expressions with a shallow depth of field distinctive to large aperture lenses by opening the aperture and getting close to the subject. Versatile, functional and sensational—all at the same time.
The AF drive on the 17-28mm zoom includes an RXD motor unit to help you stay focused on the action. RXD uses an actuator to precisely control the rotational angle of the motor, allowing it to directly drive the focusing lens without passing through a reduction gear. A sensor that accurately detects the position of the lens enables high-speed and precise AF, which is ideal when shooting continually moving subjects or recording video. Perfect for street shooting and grab shots of groups of friends. And with a focusing system that is both smooth and quiet, the new 17-28mm zoom lets you shoot a video without worrying about picking up ambient drive sounds.
Tamron’s new 17-28mm zoom is compatible with many of the advanced features that are specific to mirrorless cameras. This includes:
- Fast Hybrid AF
- Eye AF
- Direct Manual Focus (DMF)
- In-camera lens correction (shading, chromatic aberration, distortion)
- Camera-based lens unit firmware updates
* Features vary by camera. Please consult your camera’s instruction manual for details.
*As of May, 2019
Two high-performance partners, the 17-28mm zoom combined with the 28-75mm zoom, cover the super-broad range from 17mm ultra wide-angle to 75mm medium telephoto, and maintain excellent speed with an open aperture of F/2.8. The total weight of the two lenses is less than 1kg (33.8 oz)*. Similar in design and operation, both lenses have the zoom ring at the front while the focus ring is at the rear, so you can seamlessly concentrate on shooting after exchanging lenses. And since both models have the same filter diameter of 67mm, filters such as PL (Polarizer), lens caps and other accessories are compatible with both. This compact but potent combo makes the most of the mobility of mirrorless cameras.
*Model A063: 540g (19 oz), Model A046: 420g (14.8 oz)
Model A063 product page >
The 17-28mm zoom design is not only beautiful, it is functional as well and features an outer housing hugging the smooth contours of the lens body, deftly worked Luminous Gold brand ring and the precise, rigid metal lens mount. The Luminous Gold brand ring solidifies the characteristic look of a Tamron-branded lens whether on its own or attached to a camera body.
Tamron 17-28mm f2.8 - Tamron Lenses For SonyTechnical Information
|Angle of View (diagonal)||103°41'-75°23' (for full-frame mirrorless format)|
|Optical Construction||13 elements in 11 groups|
|Minimum Object Distance||0.19m (7.5 in) (WIDE) /
0.26m (10.2 in) (TELE)
|Maximum Magnification Ratio||1:5.2 (WIDE) / 1:6 (TELE)|
|Length*||99mm (3.9 in)|
|Weight||420g (14.8 oz)|
|Diaphragm Blade Number||9 (circular diaphragm)**|
|Standard Accessories||Flower-shaped hood, Lens caps|
|Compatible Mounts||Sony E-mount|
* Length is the distance from the front tip of the lens to the lens mount face.
** The circular diaphragm stays almost perfectly circular up to two stops down from maximum aperture.
*** will fit APS-C mirrorless
Note: Tamron lenses cannot guarantee functionality with cinema cameras.
Specifications, appearance, functionality, etc. are subject to change without prior notice.
This product is developed, manufactured and sold based on the specifications of E-mount which was disclosed by Sony Corporation under the license agreement with Sony Corporation.
July 25th, 2019
Optical Construction (13 elements in 11 groups)
MTF (Modulation Transfer Function) curves describe to what extent the tested lens can faithfully reproduce contrast of the subject in images it captures.
The closer the 10 lp/mm (line pairs per millimeter) curve (the thick line for low frequency) in an MTF chart to "1" of the vertical axis (the higher up), the higher the contrast reproduction performance of the tested lens will be. The closer the 30 lp/mm curve (the thin line for high frequency) to "1" (the higher up), the higher the resolving power and thus the subjective sharpness of the lens will be.
Lens performance differs depending upon directions. Solid lines show performance in the sagittal (radial) direction while dotted lines indicate performance in the meridional (circumferential) direction. When sharp lenses capable of delivering uniform optical performance over the entire image field are tested, MTF charts show curves plotted in good balance.
Performance characteristics of photographic lenses cannot be expressed with only MTF charts. There are other factors that are expressed in different methods, such as taste of softness and degrees of compensation of various aberrations. But you can use MTF charts as a scale to measure lens performance.
- Focal length: 17mm
- Aperture: F/4
- Shutter speed: 1/4000sec
- ISO: 200
- Image size: 7952px× 5304px (120MB)
- Focal length: 26mm
- Aperture: F/4
- Shutter speed: 1/800sec
- ISO: 100
- Image size: 5304px× 7952px (120MB)
- Focal length: 28mm
- Aperture: F/2.8
- Shutter speed: 1/400sec
- ISO: 100
- Image size: 7952px× 5304px (120MB)
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