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Tamron SP 17-50mm F/2.8 XR Di-II VC LD Aspherical for Canon APS-C Digital SLR Cameras (6 Year Tamron Limited USA Warranty)
- Compact Fast Zoom with VC (Vibration Compensation).
- Fast Constant F/2.8 Aperture.
- For use on APS-C size DSLR cameras.
- 11.4-Inch minimum focusing distance / 1: 4.8 Maximum magnification ratio.
- Internal Focusing.
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|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Compatible Camera Mount||Canon EF-S||Canon EF-S||Canon EF-S||Canon EF-S||Canon EF||Canon EF-S|
|Focus Type||Micromotor||Ultrasonic||Auto/Manual||Ring-type ultrasonic||Ultrasonic||Micro-type ultrasonic|
|Item Dimensions||3.15 x 3.74 x 3.15 in||3.31 x 3.62 x 3.31 in||4.1 x 5.3 x 4.1 in||3.31 x 4.37 x 3.31 in||3.46 x 4.61 x 3.46 in||3.11 x 3.23 x 3.11 in|
|Item Weight||1.26 lbs||1.25 lbs||1.25 lbs||1.42 lbs||1.82 lbs||1.03 lbs|
|Lens Type||Wide-angle||Zoom lens||Wide-angle||zoom||Zoom lens||Zoom lens|
|Maximum Focal Length||50 millimeters||50 millimeters||50 millimeters||55 millimeters||70 millimeters||70 millimeters|
|Minimum Focal Length||17 millimeters||17 millimeters||17 millimeters||17 millimeters||24 millimeters||17 millimeters|
|Photo Filter Thread Size||62 millimeters||77 millimeters||67 millimeters||77 millimeters||82 millimeters||72 millimeters|
The new SP 17-50mm F/2.8 XR Di II VC covers the very popular 17-50mm focal length range (equivalent to 26-78mm in the full-frame 35mm format) making it extremely versatile. Its wide aperture and outstanding performance provide practical advantages in low-light shooting and aesthetic image control, thereby enriching the user’s range of creative expression. The new lens delivers impressive sharpness and striking contrast over its entire focal-length and aperture range, and at its maximum aperture of f/2.8 it produces beautiful images enhanced by shallow depth of- field, and smooth, natural transitions in out-of-focus areas of the image (i.e. excellent bokeh.) The new lens is equipped with Tamron’s proprietary Vibration Compensation (VC) image stabilization mechanism, which controls the effects of camera shake in three planes. VC provides more opportunities for sharp hand-held photography at the slow shutter speeds needed when shooting in low-light conditions (e.g. night or indoor scenes) dramatically enhancing the user’s level of photographic freedom. If the customer is getting a "communication error" it usually means that the electronic contacts of their camera need to be cleaned, or that the lens is not fully seated properly onto the camera. Sometimes cleaning those contacts, and taking the lens all the way off and putting it back on will help. It's also possible (however unlikely) that the lens or the existing camera is defective.
From the Manufacturer
A masterpiece of innovative optical design, this compact, lightweight, high performance standard zoom (26-78mm equivalent) delivers a fast F/2.8 aperture over its entire focal-length range for maximum creative flexibility. To maintain critical sharpness when shooting handheld it includes VC (Vibration Compensation), Tamron’s state-of-the-art, tri-axial image stabilization system. Three compound aspheric elements, special LD glass, and BBAR coatings ensure superb correction, color fidelity, and freedom from flare. A minimum focus distance of 0.29m (11.4 inches ) offers exciting close-up opportunities.
Lenses are designed for exclusive use on digital cameras with smaller-size imagers and inherit all of the benefits of our Di products. These lenses are not designed for conventional cameras and digital cameras with image sensors larger than 24mm x 16mm.
Vibration Compensation (VC)
Handheld camera shake is the leading cause of blurry and unsharp pictures. Several leading companies now make lenses with built-in optical image-stabilization systems that sense the amplitude and direction of the shake and compensate by moving optical groups within the lens. Tamron’s exclusive new Vibration Compensation (VC) system that’s built into the Tamron AF28-300mm F/3.5-6.3 XR Di VC LD Aspherical (IF) Macro and the Tamron AF18-270mm F/3.5-6.3 Di-II VC LD Aspherical (IF) Macro lenses performs a similar function, but it executes it much more effectively due to its innovative breakthrough design
- VC delivers blur free - handheld images for incredible results
- VC mechanism employs a three-coil system
- Lens element compensates for vibration using 3-steel balls (making movement quiet & smooth)
- Exceptional images at slower shutter speeds – reduces the need for a tripod
- Bring out contrast to motion & stillness
- Eliminate the need to shoot with a Flash
Aspherical Elements (ASL) Provide the Ultimate in Image Quality and Compactness)
Tamron uses several hybrid aspherical lens elements in many lenses bearing the Aspherical designation. These innovative optics allow us to achieve the ultimate in image quality, and at the same time produce lenses that offer remarkable zoom ranges in extraordinarily compact packages. By perfecting theses cutting-edge advances for series production, Tamron has advanced the state of optical design, and virtually eliminated spherical aberration and image distortion from the high-power-zoom series.Through the effective application of Hybrid Aspherical Technology, one lens elemen tcan take the place of multiple elements without compromising performance. This is what allows us to produce remarkably compact long-range lenses that deliver a uniformly high level of image quality at all focal lengths and apertures.
Extra Refractive Index (XR) glass can bend light rays at steeper angles, thereby decreasing the physical length of the lens while enhancing imaging performance by minimizing optical aberrations. This has allowed Tamron to develop a line of shorter, smaller-diameter, lighter lenses without sacrificing lens speed, and actually upgrading image quality compared to older designs. XR glass is costlier than conventional glass but it yields enhanced optical power distribution, making possible many of the outstanding and innovative lens designs that bear the XR designation. XR glass, with its superior light-bending power, makes it possible to design a short-barrel lens with the same light-gathering ability (aperture value) as a long-barrel lens—even with a smaller lens diameter. By using this principle Tamron has been able to shorten the length of the entire optical system and produce lighter, more compact lenses of the same speed, and also to provide greater zoom ranges in lenses that are much more convenient to carry by hand.
Tamron SP (Super Performance) series is a line of ultra-high-performance lenses designed and manufactured to the exacting specifications demanded by professionals and others who require the highest possible image quality. In creating SP lenses Tamron’s optical designers put their foremost priority on achieving superior performance parameters—they are all designed to a higher standard with little regard for cost constraints. As a result, Tamron lenses bearing the SP designation feature impressive and innovative designs that have established an enviable reputation for excellence among those knowledgeable photographers that demand the very best.
Low Dispersion (LD)
Low dispersion (LD) glass elements in a lens help reduce chromatic aberration; the tendency of light of different colors to come to different points of focus at the image plane. Chromatic aberration reduces the sharpness of an image, but glass with an extremely lowdispersion index, has less of a tendency to separate (defract) a ray of light into a rainbow of colors. This characteristic allows the lens designer to effectively compensate for chromatic aberration at the center of the field (on axis), a particular problem at long focal lengths (the telephoto end of the zoom range), and for lateral chromatic aberration (towards the edges of the field) that often occurs at short focal lengths (the wide-angle end of the zoom range.)
Internal Focus (IF)
Internal focusing (IF) provides numerous practical benefits to photographers including a non-rotating front filter ring that facilitates the positioning of polarizing and graduated filters, and more predictable handling because the lens length does not change during focusing. Even more important, Tamron’s Internal Focusing (IF) system provides a much closer minimum focusing distance (MFD) throughout its entire focusing range. In addition, IF improves optical performance by minimizing illumination loss at the corners of the image field, and helps to suppress other aberrations that become more troublesome at different focusing positions
Zoom Lock (ZL)
Another original Tamron mechanical engineering concept is the Zoom Lock (ZL), a simple convenience feature that prevents undesired extension of the lens barrel when carrying the camera/lens unit on a neck strap..
Top customer reviews
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The zoom ring comes with a zoom creep lock that works at 17mm, but the rings are stiff enough that you won't need to use it.
There are three things that this lens wasn't so great on. The focus is loud, its not an ultrasonic motor. The VC has the 1 second delay which is not so hot. The VC is also loud, you can hear it take effect.
Overall, this is a fine lens for myself. Those who find the VC delay, or noise, might be turned off by it, so take that into consideration.
That's the case with this wonderful zoom, the Tamron 17-50. I bought this to serve as a wide angle zoom for my D7000 and the 17-50 on DX is just about perfect in terms of handling wide angle and "normal" shots. I took this on a three week vacation, and at least 70% of my shots were with this lens. It was extremely sharp in all sorts of conditions and the focus was quick and accurate. Even wide open, it gave a sharp image across the frame. I was especially interested in the VC technology, as I saw this as a great solution to interior shots where flash and tripod are not allowed - common in many places around the world. I did a lot of research between similar Tamron, Sigma and Nikon lenses and I chose the Tamron because its autofocus was nearly equal to the Nikon, and the VC was rated as better. (It's called VR by Nikon.)
It was a very good choice. As I said, I got great shots from this lens - crisp, in-focus, little to no vignetting or distortion even at 17mm. I used a CP filter most of the time and the results were also great. The internal focus makes this lens perfect for use with a CP filter and the zoom range is a good one for most landscape shots. When you add the VC technology, you can use this lens well into the evening without a tripod or flash.
Nikon makes great lenses, but in this case, I think Tamron made the better lens. I'd encourage anyone to try it. You won't be sorry.
Tamrom 17-50 is a constant f-stop at both ends, 17 and 50.
Very vital for me.
Now for what I feel is the bad part.............
Many of the lens I work with require you to turn the zoom and the focus rings in a common direction. Not so with this Tamron lens.
I am required to turn it the opposite direction when I want to zoom in, or pull focus. This opposite direction throws me off many times, even if I tell myself to remember in advance that this lens is the opposite direction for turning the rings.
If I could find and afford a replacement, I would not hesitate.
I don't see why Tamron had to be different than the crowd.
If this is not just a Tamron thing, and that others lens companies are guilty of it, too....... then I would gripe that ALL lens companies/designers/manufacturers ought to follow a universal standard when it comes to the direction of the twist on focus and zoom rings.............This is, of course, for the convenience of the camera operator / photographer. It is counter-intuitive and time-consuming (thus, disrupting workflow) to force the camera user to spontaneously adapt to different twisting directions of the zoom and focus rings. There are OTHER things the camera user would prefer to spend their time thinking about, while shooting on location.
Aside from that critical complaint, I am satisfied with it serving my needs at the 17-50 lens range.
Most recent customer reviews
If i knew it is from china i wouldn't have bought it!