Wavelength BlogTamron 17-70mm F/2.8 Di III-A RXD for APS-C Sony Mirrorless Cameras
- mfr: AFB070S-700
- SKU: AFB070S-700
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Product highlights
- Focal length: 17-70mm
- Aperture range: f/2.8-22
- Sony E-mount lens
- APS-C frame mirrorless format
- Built-in VC image stabilization
- Rapid eXtra-silent stepping drive motor unit
- 16 elements in 12 groups optical construction
- Fast Hybrid AF and Eye AF
- Fluorine coating provide extra protection
- Moisture-resistant construction
Tamron 17-70mm F/2.8 Di III-A RXD for APS-C Sony Mirrorless Cameras
A newest edition to Tamron's high-speed zoom lenses, this 17-70mm f/2.8 Lens is designed for mirrorless cameras with APS-C size sensors. It offers a maximum aperture of f/2.8 across the entire 4.1x zoom ratio covering focal range from 17-70mm. It offers a full-frame equivalent focal range of 25.5-105mm. It is an ideal companion for everyday use delivering superb optical performance. This lightweight and compact lens comes equipped with Tamron's VC (Vibration Compensation) mechanism that leverages AI technology when shooting video, minimizing camera shake.
Outstanding Optical Performance
The optical construction of 17-70mm f/2.8 Lens uses 16 elements in 12 groups. It comprises of two GM (Glass Molded Aspherical) lens elements and one hybrid aspherical lens elements that are precisely arranged to maintain edge to edge resolution.
Upgraded VC with AI for Video Shooting
This 17-70mm f/2.8 Lens features Tamron's proprietary VC mechanism. It utilizes sophisticated algorithms with a dedicated, independently operating MPU that combine to compensate for vibration due to camera shake when shooting handheld. This feature is available when used with both cameras with or without built-in image stabilization. When shooting video, the image stabilization performance is improved thanks to AI technology.
High Performance Autofocus System
This zoom lens comes with an RXD (Rapid eXtra-silent stepping Drive) stepping motor unit that aids in quick, smooth focusing. It 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. When paired with a sensor that precisely detects the position of the lens enables high-speed and accurate AF, which is ideal when shooting continually moving subjects or recording video.
Close Focusing of 7.5 Inches at Wide-Angle End
The 17-70mm f/2.8 zoom offers a close focus distance of up to 7.5 inches. With a 15.4-inch MOD at the 70mm telephoto end, be rest assured to enjoy compelling close-up shots
Highly Portable Compact Design
The 17-70mm f/2.8 Lens measures 4.7 inches in length and 74.6mm in maximum diameter and weighs only 18.5 oz. It accepts filter measuring 67mm in diameter.
Specifications
| Weight | 18.5oz |
|---|---|
| Color | Black |
| Lens Mount | Sony E-Mount |
|---|
| Maximum Aperture | f/2.8 |
|---|---|
| Minimum Aperture | f/22 |
| Focal Length | 17-70mm |
| Maximum Magnification | 0.21x (Wide) / 0.19x (Tele) |
| Angle of view | 79-degree 55 feet to 23-degree (for APS-C frame mirrorless format) |
| Minimum Focus Distance | 7.5-inch (Wide), 15.4-inch (Tele) |
| Focus Type | Auto |
| Image Stabilization | Yes |
| Diaphragm Blades | 9 (circular diaphragm) |
| Zoom Focal Length | 17-70mm |
| Lens Format | APS-C Sensors |
| Lens Type | Standard Zoom |
Questions
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