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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)
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- 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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|Price||$649.00||$299.00||$369.00||$799.00||See price in cart||$499.00|
|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||Photo Savings||Photo Savings||Amazon.com||Amazon.com||Photo-Zone||SDC Photo|
|Compatible Camera Mount||Canon EF-S||Canon EF-S||Canon EF-S||Canon EF-S||Canon EF||Canon EF-S|
|Focus Type||Micromotor||Auto/Manual||Ultrasonic||Ring-type ultrasonic||Ultrasonic||Micro-type ultrasonic|
|Item Dimensions||3.15 x 3.74 x 3.15 in||4.1 x 5.3 x 4.1 in||3.31 x 3.62 x 3.31 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||Wide-angle||Zoom lens||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||67 millimeters||77 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.
I made the mistake of buying two lenses from Tamron. While the lens is good when it's working, it's the "Warranty" that's a sham. After owning the lens for 2 years, the Autofocus suddenly got stuck. We send it in for warranty service and within minutes of them receiving the item (according to delivery confirmation), they want to charge us $400 to repair this $550 lens. (Yes, almost 80% of the 'new' cost, to repair it. Plus all the shipping charges.)
They claim 'shock' damage when we've babied our lenses and have never dropped them.
Caveat Emptor. We're out $550 for the lens + the $20 to ship the lens to them for warranty service.
$950 total after repairing this? I might as well have gone with an official L lens from Canon proper.
So this lens is either a counterfeit or a grey market lens. That means there is no warranty or support from the manufacturer. This seems to not only be the case for the 3rd party seller -- Celltime -- but all others that are selling these below the retail price of around $650.
Tamron will not support *any* lenses sold from someone other than an authorized dealer, and they cannot confirm the authenticity of any lens unless the serial numbers match their database.
I searched through all those for sale on Amazon and there is a clear distinction: all authorized dealers have a similar price of around $650, and all those selling for less are not authorized dealers.
Thankfully, Amazon is allowing a return and full refund, but this experience was annoying.
Tamron has some responsibility here as well to make sure their true products are not sold by non-authorized retailers. This lens is likely legit, but they won't support it regardless. Using authorized dealers is likely more a mechanism to price-fix their products than to ensure authenticity.
I wish I felt comfortable taking the risk, but without the warrantee, any repair would more than make up for the difference in savings and a repair is likely to be needed sometime in the next six years.
Try this lens, evaluate the aforementioned factors & I think you'll agree that this is an exceptionally good lens. Enjoy & appreciate the science that allows Tamron engineers to apply this current state-of-the art technology. The only thing that's less than wonderful, is it's name... Whew, what a mouthful.
Most recent customer reviews
Tamrom 17-50 is a constant f-stop at both ends, 17 and 50.
Very vital for me.Read more