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August 17, 2009
Tamron Co., Ltd.
Tamron AF18-270mm VC Wins EISA Award: European Travel Lens of the Year 2009-2010

Prestigious EISA Award is the 11th such honor for Tamron's Line of Advanced Optics for Consumerand Professional SLR Cameras


August 17, 2009, Saiatam City, Saitama-ken - Tamron's groundbreaking AF18-270mm F/3.5-6.3 Di II VC LD Aspherical (IF) MACRO (Model B003), a high power 15X zoom lens with a proprietary built-in advanced Vibration Compensation (VC) mechanism, has been selected as the winner of the esteemed EISA Photo Award - European Travel Lens of the Year 2008-2009. The lens, which covers a remarkable 28-419mm equivalent in the full frame* 35mm- format, is exclusively designed digital SLR cameras with APS-C-size sensors.   (*) Tamron's conversion value is 1.55x.
AF18-270mm F/3.5-6.3 Di II VC LD Aspherical (IF) MACRO (Model B003)
EISA Photo Award - European Travel Lens of the Year 2008-2009 EISA Awards are presented each year to products judged to be the best in photographic, audiovisual, video and mobile product categories. The winners are determined by the votes cast by members of the EISA (European Imaging and Sound Association), a panel consisting of editors-in-chief and technical editors of about 50 leading and influential magazines in 20 European countries that specialize in photography, audio, video and mobile electronic products. The EISA award is recognized as one of the most prestigious awards a product can receive in its specific category. The honor marks the 11th time Tamron has received this highly prized and internationally recognized award. It is also the fourth consecutive EISA award for Tamron following the 2008-2009 EISA for the AF28-300mm F/3.5-6.3 Di VC (Model A20), the 2007-2008 EISA for the AF18-250mm F/3.5-6.3 Di II (Model A18) and the 2006-2007 EISA for the SP AF17-50mm F/2.8 Di II (Model A16).

Excerpt from the Award Citation of the EISA Jury
"With this 15X-zoom, APS-C format lens Tamron has not only produced a DSLR lens with the most extensive zoom range available, but also an impressive optical performance. Tamron's built-in optical image stabilizer, Vibration Compensation (VC), is able to reduce the impact of camera shake so the photographer can hand hold the lens at shutter speeds of up to 4 stops beyond normal safe levels. This is especially useful in low light conditions. With its compact design, light weight, high optical performance and extremely wide focal range the Tamron AF18-270mm VC lens is a perfect travel companion."
Tamron Lenses that have received the EISA Award
    Awarded year Products
    1992-1993 SP AF35-105mm F/2.8 Aspherical (Model 65D)
    1993-1994 AF28-200mm F/3.8-5.6 Aspherical (Model 71D)
    1997-1998 SP AF90mm F/2.8 Macro [1:1] (Model 72E)
    1999-2000 AF28-300mm F/3.5-6.3 Aspherical [IF] Macro (Model 185D)
    2000-2001 AF28-200mm F/3.8-5.6 Aspherical [IF] SuperII (Model 371D)
    2002-2003 AF28-300mm Ultra Zoom XR F/3.5-6.3 LD Aspherical [IF] Macro (Model A06)
    2003-2004 SP AF28-75mm F/2.8 XR Di LD Aspherical [IF] Macro (Model A09)
    2006-2007 SP AF17-50mm F/2.8 XR Di II Aspherical [IF] (Model A16)
    2007-2008 AF18-250mm F/3.5-6.3 Di II LD Aspherical [IF] Macro (Model A18)
    2008-2009 AF28-300mm F/3.5-6.3 XR Di VC LD Aspherical (IF) MACRO (Model A20)
    2009-2010 AF18-270mm F/3.5-6.3 Di II VC LD Aspherical [IF] MACRO (Model B003)
Overview of Tamron AF18-270mm F/3.5-6.3 Di II VC LD Aspherical (IF) MACRO
Tamron was able build a remarkable array of high-performance features into one ultra-long-range zoom lens thanks to the advanced optical/mechanical design technology and production know-how accumulated over 17 years as the pioneer in high power zoom lens design, and its unwavering commitment to ongoing research and development. Even more important, while combining an amazingly high zoom ratio along with the VC function, Tamron has maintained a high priority on its traditional goals of lightness and compactness. As a result, the new Tamron AF18-270mm Di II VC (Model B003) delivers all the functionality and performance you expect from the latest Tamron ultra high power zoom, a lens that exemplifies our time-honored concept of "One great lens covering everything from wide angle to telephoto".
MAIN FEATURES
1. World's first and only15X zoom for DSLRs covering 28-419mm-equivalent range
Bearing in mind the basic concept of "one lens covering everything from wide angle to telephoto," engineers at Tamron took up the challenging task of expanding the zoom range of Tamron's high power zoom lenses even further. Their unstinting efforts to extend the telephoto end beyond previous limits while maintaining true wide-angle coverage at 18mm has yielded a remarkable ultra-high-power zoom lens designed exclusively for DSLR cameras and boasting the world's greatest zoom range of 15X for the first time .
2. Tamron's original VC mechanism for effective shake-free hand-held photography
Tamron's proprietary VC (Vibration Compensation) mechanism was first used in the AF28-300mm F/3.5-6.3 Di VC (Model A20). It demonstrated its powerful compensation effect employing a unique tri-axial system in which three coils drive a compensator lens electromagnetically via the three steel ball bearings that support it. Since the compensator lens is held in place on very low friction bearings, ist responsiveness and tracking performance are greatly enhanced, resulting in stabilized viewfinder images. Since the mechanism is designed to allow parallel shifting of the compensator lens solely by means of electrical control, the mechanical construction of the entire system is simpler and more compact, so the lens can be kept as a small and light as possible.
3. Designing a compact, high power zoom lens with built-in VC mechanism: Optical design optimization meets optimum power distribution
In developing the long-range zoom lens to ist present level, Tamron's optical designers have pursued the goal of achieving optimum distribution of power within the overall optical system based on optical design know-how Tamron accumulated over 17 years since the introduction of the first compact AF28-200mm in 1992. The resulting optical system uses three hybrid aspherical elements, two LD (Low Dispersion) glass elements and an AD (Abnormal Dispersion) glass element to effectively correct for various aberrations including astigmatism and chromatic aberration, yet this design allows the first optical group to be small enough in diameter to realize the overall goal of a compact lens that incorporates an effective VC mechanism to compensate for handheld shake.
Note: In order to realize the high zoom ratio of 15X, the optical system does not use any XR (extra dispersion glass) element. Instead, compactness is achieved through optimization of the power distribution within the whole optical system.
4. Minimum focusing distance of 0.49m (19.3 inches) over the entire zoom range for a maximum magnification ratio of 1:3.5
The AF18-270mm Di II VC allows close focusing down to 0.49m (19.3 inches) from the subject over the entire zoom range even though it incorporates the VC mechanism. Its maximum magnification ratio of 1:3.5 at its 270mm telephoto end is at the top of the class among high power zoom lenses exclusively designed for digital SLR cameras.
5. Optical system optimized for digital SLR cameras by controlling the angle at which incoming rays of image-forming light strike the image sensor
In order to effectively compensate for changes in aberrations at different points along the zoom range, this zoom lens employs an innovative optical system designed to converge the angles of light rays entering from the center to the periphery (off-axis areas) of the lens. The light rays thus reach the image sensor within a defined circle that assures high imaging performance and reduces peripheral light falloff.(vignetting).
6. High resolution performance
As a lens exclusively designed for digital SLR cameras, this zoom lens delivers high resolution and contrast performance for outstanding image quality while maintaining sufficient flatness of the field over an extremely wide range of photographic conditions.
7. Countermeasures, including advanced internal surface coatings, taken to prevent ghosting and flare
Tamron employs multi-layer coatings in order to reduce reflections on all lens surfaces including internal surface coatings (coatings on the cemented surfaces between lens elements) in order to minimize reflections from the sensor itself within the mirror box, a problem inherent in all digital SLR cameras.
8. World's firsts: Greatest zoom power of 15X plus built-in VC mechanism achieved along with a remarkably compact maximum diameter of less than 80mm
Designing the world's first lens for DSLRs with the remarkable zoom ratio of 15X inevitably entailed a larger travel distance of the components within the optical systems, but Tamron has successfully accommodated the optical system as well as the special VC mechanism in a remarkably compact package by employing mechanical design technology accumulated over many years. The result: An amazingly slim design measuring less than 80mm in diameter despite the fact that it is an ultra high power zoom lens that incorporates a VC mechanism. Production engineering this unique zoom lens meant incorporating complex optical/mechanical components, and Tamron's engineers had to employ innovative manufacturing techniques including methods of further enhancing accuracy, reducing weight, and increasing the strength of many components.
Note: In order to achieve the world's first and greatest zoom ratio of 15X, metal mounts are used in both Canon- and Nikon-mount lenses.
9. Zoom lock mechanism for convenience in carrying the outfit
The lens has a built-in zoom lock mechanism to prevent its barrel from sliding forward when the lens is being carried on the camera.
10. Flower-shaped lens hood a standard accessory
The lens is supplied with a flower-shaped lens hood as a standard accessory. It is designed to efficiently cut harmful light entering at angles other than intended angles at all four corners of the frame. This ensures clear, flare-free images.
11. Striking new look for latest-generation high power zoom of the digital era
  1. The lens employs a new outer design that is more refined and smoother in its overall contours by minimizing concavity, convexity, and variations in profile in order to complement the understated style of the latest digital SLR cameras.
  2. A gold-colored metal ring is placed at a key portion of the lens as used in other Di II lenses. The "TAMRON" logo placed in the center portion of the lens enhances visibility of the brand while refining the overall impression.
  3. Delicate matte finish is added to the black painting over the lens barrel in order to enhance the high quality appearance of the lens.
  4. The textured rubber pattern of the zoom and focus control rings has been improved yet again, to a more pronounced, easy to grasp design than the conventional rubber pattern. This provides a better feel and tactile feedback when manipulating the lens.
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