Tamron SP AF 24-70mm F2.8 Di VC USD Review
General information
This is a zoom lens manufactured by Tamron and the lens was released 2012.
The lens belongs to the category
standard zoom lenses, a normal lens where you have the possibility to zoom in and out.
Product description from Tamron
At launch 2012 Tamron wrote this regarding Tamron SP AF 24-70mm F2.8 Di VC USD:
"Tamron develops full-size, high-speed standard zoom with built-in image stabilization – SP 24-70mm F/2.8 Di VC USD (Model A007)
With class-leading resolution and Tamron’s proprietary VC ( Vibration Compensation)
February 6th, 2012, Saitama, Japan － Tamron Co., Ltd., a leading manufacturer of optical equipment, announced the development of the SP 24-70mm F/2.8 Di VC USD (Model A007), a full-size high-speed standard zoom lens equipped with VC ( Vibration Compensation) image stabilization and USD ( Ultrasonic Silent Drive), with resolution at the top of its class.
The price and availability of the SP 24-70mm will be announced at a later date.
Product Features
1. A full-size, high-speed standard zoom with built-in VC ( Vibration Compensation). Even when shooting in low-light conditions with a slow shutter speed to render sharpness, Tamron’s acclaimed VC allows for stable handheld camera work, to more fully enjoy the benefits of this high-speed zoom lens.
2. Uses special high-grade glass in the three LD elements, three glass molded aspherical lenses, one hybrid aspherical lens and two XR (Extra Refractive Index) glasses, delivering top-of-the-class quality images suited to this high-grade lens. Using a rounded diaphragm, the lens achieves gorgeous blur effects. This rounded diaphragm retains a nearly circular shape even when taken two stops down from its fully open state.
3. Features Tamron proprietary USD ( Ultrasonic Silent Drive) to power a speedy AF drive together with a continuous manual mechanism.
4. This high-speed standard zoom lens has a wide-end focal length of 24mm that expands the photographic area.
5. The lens adopts the new technology including the latest optical design, VC ( Vibration Compensation) image stabilization and USD ( Ultrasonic Silent Drive), all in a lighter and more compact package.
6. Moisture-resistant construction helps prevent water from penetrating the lens.
VC ( Vibration Compensation)
VC ( Vibration Compensation) is Tamron’s proprietary image stabilization system. Tamron’s VC is a three-coil system, whereby three driving coils activate the shake-compensating VC lens group electromagnetically via three steel balls. The VC lens elements are held in place only by contact with the steel balls, achieving smooth movement with little friction. This provides a stable viewfinder image with excellent tracking performance. And as the VC lens may be moved in parallel using only the motorized control, the mechanical structure has been simplified, enabling the creation of a more compact lens.
New VC system (moving coil method)
Tamron’s original VC image stabilization mechanism utilized a moving magnet system whereby a heavy magnet was positioned near the moving VC lens element. In the new VC unit the positions of the magnet and the coil are reversed, because of this the VC optical lens element is attached to the coil. The new VC mechanism employs a moving coil mechanism with a lightweight coil, and the lighter coil reduces the load on the drive system. Thus, the lighter, more compact new VC unit contributes to the lens’s overall light weight and compact size.
Because the 24-70 mm F/2.8 Di VC USD is a high-speed zoom lens with maximum aperture of F/2.8, its VC system must drive a lens that is larger and heavier than other zooms. Therefore, the shape, size and layout of the drive coils are all designed to obtain sufficient thrust. The result is a full-size, high-speed zoom that provides the same high level of compensation effect.
About the ultrasonic motor
In the ultrasonic motor, a piezoelectric element arranged in a ring formation generates ultrasonic vibrations in a metallic ring stator, and the vibration energy is used to rotate a metallic ring rotor that is attached to the stator. The rotation energy is in turn transferred from the metallic ring rotor to operate the focus lens."
Compatibility, autofocus and focal length
The lens is available for both Canon and Nikon cameras, but there are two different versions of this lens (one for each brand and mount) so it is important that you ask for and choose the right version when bying the lens.
This lens is constructed to fit all models of Canon and Nikon cameras, regardless of camera model or type of sensor.
The ability to use autofocus is available for all cameras.
The lens has a focal length of 24-70 mm. Depending on which camera the lens is used, the experienced and perceived focal length will be different. Please visit the list of compatible cameras below, it will provide the equivalent focal length you get on each camera.
- See compatible cameras and perceived/equivalent focal length
- See a full camera compatibility chart for Tamron SP AF 24-70mm F2.8 Di VC USD
- Read more about focal length and your field of view
- Read more on the cameras impact on the perceived focal length
Lens brightness and image stabilizer
The lens brightness and aperture value is f/2,8.
This aperture value indicates that the lens is very bright. This will make it so much easier shooting in darker environments where you do not want or can use flash lighting, for example in churches or at different sports venues.
A feature worth commenting, which is also related to lens brightness, is that the brightness and maximum aperture-value remains constant regardless of focal length used. This makes it easier for you as a photographer. No matter if you are have the focus ring and focal length at 24 mm or at 70 mm the aperture value can be f/2,8.
Inside the lens there is an image stabilizer, which helps to fend off possible movements and tremors. This is very positive and can be of great help in situations and conditions where the light is inadequate and not enough for decent shutter speeds.
Filter and Lens Hood
The lens has a traditional filter thread on the front and its measuring 82 mm which also the filter you will use must have. If you use for example an UV filter can be a cheap insurance against scratches and dust.
If you buy this lens it will come with a lens hood, whose model name is "HA007".
Images of Tamron SP AF 24-70mm F2.8 Di VC USD
In order to see larger product images of the lens, click the link below.
Things to consider before buying
Below you will find some summarized points and facts that can be considered as the 'pros and cons' of this lens. These are based entirely on the facts and values that are accessible through the lens specification, so we highly recommend that you also read the reported reviews available (see tab 'Reviews'); this in order to get a more complete view of the lens and its capabilities. Reviewer opinions reflect the lens, its use and its optical performance in a more accurate way, but any way - here a few different points to consider before buying this lens.
- The lens brightness, f/2,8
- Constant maximum aperture value regardless of focal length
- Has a built-in image stabilizer
- Works on all sensor types
- Has a built-in autofocus motor
- A lens hood is included
- The lens is sealed against dust and moisture
- Heavy (825 gr)
- The price (more info)
Our Review Ratings
Time to grade Tamron SP AF 24-70mm F2.8 Di VC USD.
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| Overall rating | 3 of 5 |
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