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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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|Sold By||Gabrian's||Photo Savings||Amazon.com||SSE Photo & Video||International Coffee & Books||SSE Photo & Video|
|Compatible Camera Mount||Canon EF-S||Canon EF-S||Canon EF-S||Canon EF-S||Canon EF-S||Canon EF|
|Focus Type||Micromotor||Ultrasonic||Auto/Manual||Micro-type ultrasonic||Ultrasonic||Ultrasonic|
|Item Dimensions||3.74 x 3.15 x 3.15 in||3.62 x 3.31 x 3.31 in||5.3 x 4.1 x 4.1 in||3.23 x 3.11 x 3.11 in||3.5 x 3.11 x 3.11 in||4.61 x 3.46 x 3.46 in|
|Item Weight||1.26 lbs||1.25 lbs||1.25 lbs||1.03 lbs||1.15 lbs||1.82 lbs|
|Lens Type||Wide-angle||Zoom lens||Wide-angle||Zoom lens||Zoom lens||Zoom lens|
|Maximum Focal Length||50 millimeters||50 millimeters||50 millimeters||70 millimeters||70 millimeters||70 millimeters|
|Minimum Focal Length||17 millimeters||17 millimeters||17 millimeters||17 millimeters||17 millimeters||24 millimeters|
|Photo Filter Thread Size||62 millimeters||77 millimeters||67 millimeters||72 millimeters||72 millimeters||82 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.
If not for the VC (image stabilization) and the f/2.8 (wide open aperture), I would've probably missed half of my favorite shots from that trip.
There I was walking around NY with an umbrella in one hand and my camera in the other, snapping away with one hand in at night, getting blown this way and that by the wind and trying to lean away from pedestrian traffic.
They say that great equipment can't make you a better photographer, but this lens definitely makes me look a lot better than I am!
Here is my response to 2 common concerns I hear:
(1) It has the same focal length as the kit lens (18-55mm f/3.5-5.6 IS $100 on ebay). Reviews applaud that lens as a great kit lens to start shooting with - light, fast and IS - for $100 over the price of the camera body). This lens cost more than the body I first clicked it into (Canon XS/1000D).
But these two lenses are NOT in competition with each other. This lens is much sturdier and the wide-open aperture has it competing with the Canon EF-S 17-55mm f/2.8 IS USM Lens for Canon DSLR Cameras that costs almost twice as much for almost identical specs. At least 70% of the shots I've taken with this lens, I wouldn't have been able to try with the kit lens.
In comparison to the Canon f/2.8, I haven't tried it but have heard anecdotal evidence that it is sharper. If the extra $450 was not a big deal in my budget, I would have gotten the Canon. But instead, I sold my Canon XS body, upgraded to the T2i/500D body and had change left - with that $450 difference. Btw, now I can report that 1080P video looks gorgeous on this lens because I was able to upgrade bodies.
(2) USM/Fulltime MF - Yes, the Canon USM autofocus motor is legendary and it is faster, more accurate and quieter than the Tamron autofocus. That was true of the Tamron predecessor (pre-VC Tamron AF 17-50mm F/2.8 XR Di-II LD SP ZL Aspherical (IF) Zoom Lens for Canon Digital SLR Cameras, and it remains true in this model. Although a friend has tried both and has said that the VC version is still markedly improved.
Fulltime manual focus would be great. I would absolutely love to have that instead of flipping the MF/AF focus switch with my left hand (and sometimes forget to switch it back).
Again, I will refer to the above issue as to where I put the extra $450 that you would otherwise spend on the Canon for USM and Fulltime MF.
BOTTOM LINE: If price is not a concern, get the Canon 17-55mm f/2.8 IS USM. This lens is basically a cheaper version of that.
But it is A LOT cheaper, so if price IS a concern - think first about what else you could do with the price difference - camera upgrade, rent, car payment...
This might be the better lens for you!
Most recent customer reviews
Tamrom 17-50 is a constant f-stop at both ends, 17 and 50.
Very vital for me.Read more