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Tamron AF 18-270mm f3.5-6.3 Di II VC LD Aspherical IF Macro
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Tamron AF 18-270mm f3.5-6.3 Di II VC LD Aspherical IF Macro

Tamron's Vibration Compensation—Blur-Stopping Power With No Annoying Motion Delay In Your Viewfinder! With the advent of the latest 15X zoom tamron 18-270 mm lens, the pioneer of high power zoom lenses, the high power zoom lens has steadily evolved from a 7.1X to a 10.7X to a 13.9X and now to the world’s largest zoom ratio of 15X by combining advanced high power zoom design technologies accumulated by Tamron since 1992. The lens covers an angle of view equivalent to that of a 28mm wideangle to a 419mm ultra telephoto with just one lens, letting the user capture once-in-the-lifetime images of panoramic landscape images or close-up pictures of children smiling, without having to get too close to the subject and without having to change lenses.

 

Only available in Nikon mount.

 

Note: Nikon Mount lens built-in motor for the D40/D40x/D60/D3000/D3100/D5000.



 

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What’s in the box?
Tamron Lens AF 18-270 mm f/3.5-6.3 Di II VC LD Aspherical (IF) Macro
Front Lens Cap
Rear Lens Cap
Lens Hood
Instruction Manual
24 month warranty from Maxwell International Australia

 

Compatible Accessories

 


Specifications 

Model

B003

Lens Construction (Groups/Elements)

13/18

Angle of View
APS-C size equivalent

Diagonal

75°33' - 5°55'

Horizontal

65°36' - 4°55'

Vertical

46°21' - 3°10'

Diaphragm Blade Number

7

Minimum Aperture

F/22 ~ F/40 (18mm-270mm)

Minimum Focus Distance

19.3in.(0.49m) (entire zoom range)

Macro Magnification Ratio

1:3.5 (at f=270mm, MFD=0.49m)

Filter Diameter

ø72

Weight

550g (19.5oz)*

Diameter x Length

ø3.1 x 3.9in.
(ø79.6 x 101.0mm)

Accessory

Flower-shaped Lens hood

Mount

 
Nikon with Built-In Motor

 

* Specifications subject to change by the manufacturer without notice

 


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Tamron says:

 

ANNOUNCING the development of THE TAMRON AF18-270 MM Di II VC ULTRA HIGH POWER ZOOM LENS

 

A Technological Breakthrough—World’s Longest Range 15X Zoom DSLR Lens Has Exclusive Built-In Vibration Compensation Mechanism Optimized for Consumer Digital SLR Cameras

 

July 30, 2008, Saitama City, Japan Tamron Co., Ltd., under the leadership of Mr. Morio Ono, President, has announced the development of a unique ultra high power zoom lens for digital SLRs. The Tamron AF18-270mm F/3.5-6.3 Di II VC LD Aspherical (IF) MACRO (Model B003), is the first[1] digital SLR lens in the world that delivers a remarkable zoom ratio of 15X (28-419mm equivalent) while also featuring a highly effective Vibration Compensation (VC) system for clearer images. Designed exclusively for digital SLR cameras with APS-C sized image sensors, the new Tamron lens delivers outstanding image quality over its entire zoom range and its exclusive VC anti-shake system facilitates sharp and clear handheld photography even at the longest telephoto settings.

 

With its vast zoom-range, the Tamron AF18-270mm F/3.5-6.3 Di II VC lens enables the user to cover virtually any photographic subject from wide angle to ultra telephoto, simply by zooming the lens to the required position. It covers angles of view equivalent to 28mm to 420mm when converted to 35mm film format[2]. In addition, this breakthrough lens is equipped with Tamron’s exclusive, proprietary tri-axial Vibration Compensation (VC) mechanism, eliminating or substantially reducing the effects of handheld camera shake. As a result, the user can enjoy the convenience of handheld photography in virtually any situation, from shooting candid images, to covering sporting events, to news photography, without worrying about camera shake having an adverse effect on image quality.
The new lens will be made available in Canon and Nikon mounts. The price and launch date of the new lens will be announced at a later date.

Note: Di II (Digitally integrated) lenses employ optical systems designed for exclusive use on digital SLR cameras equipped with smaller sized (APS-C sized) image sensors. Di II lenses are not designed for use with 35mm film cameras or digital SLR cameras with image sensors larger than 24mm x 16mm. (Reference to “APS-C sized image sensors” is omitted from the rest of body text in this media information release.)

 

DEVELOPMENT BACKGROUND

 

Since launching the Tamron AF28-200mm F/3.8-5.6 (Model 71D) in 1992, -a lens highly acclaimed as the first high power SLR zoom lens suitable for practical use, Tamron has continued to develop innovative zoom lenses as the “pioneer in high power zoom lenses”. With the AF18-200mm F/3.5-6.3 XI Di II (Model A14), Tamron achieved an 11.1X zoom power for the first time in a zoom lens exclusively designed for digital SLR cameras. Tamron developed telephoto range further to 13.9X with the AF18-250mm F/3.5-6.3 Di II (Model A18), a lens that has gained wide popularity for it’s all-in-one capability for those photographers seeking light weight, small size bt broad capability in multiple shooting situations.

 

Tamron’s engineers faced the even more formidable challenge of finding solutions for the problem of “handheld camera shake” while expanding the telephoto range even further. Now they have developed the AF18-270mm F/3.5-6.3 Di II VC, the world’s first DSLR 15x zoom.

The newly developed lens enables the user to cover an extremely wide angle-of-view range equivalent to a 28mm-419mm lens in the 35mm format. Tamron’s exclusive VC capability provides maximum compensation performance at all focal lengths and corrects shake so effectively that up to 4 slower shutter speeds can be used without loss of image sharpness. The VC system enables the user to enjoy the full benefits of ultra-tele photography comfortably. By providing remarkably stable viewfinder images as well, framing the shot has never been simpler at extreme telephoto lengths. In short, this unique VC image stabilization system delivers the maximum potential built into the world’s longest-ratio zoom lens—15X.

 

Tamron was able achieve all these remarkable accomplishments thanks to its advanced optical/mechanical design technologies and production know-how accumulated over 16 years as the pioneer in high power zoom lens design. Tamron’s commitment to ongoing research and development is also evidenced by continued breakthroughs in its traditional goals of lightness and compactness. As a result the new Tamron AF18-270mm Di II VC 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 IN DETAIL

 

1.  World’s first and greatest zoom ratio of 15X, covering 28-419mm 35mm-equivalent angle of view

    Going back to the basic concept of “one lens covering everything from wide angle to telephoto,” engineers at Tamron took up the difficult task of expanding the zoom range of their high power zoom lenses even further. Their unstinting efforts to extend the telephoto end beyond previous limits, while also retaining the wide-angle end at 18mm, has borne fruit as an ultra high power zoom lens that is exclusively designed for DSLR cameras and boasts the largest zoom range, at 15X, for the first time in the world.

 

2. Tamron’s original VC mechanism for effective shake-free hand-held photography: How the system works.

    Tamron’s proprietary VC (Vibration Compensation) mechanism was first seen in the AF28-300mm F/3.5-6.3 Di VC (Model A20). It demonstrated its powerful compensation effect, employing a tri-axial system designed to let three coils drive a compensator lens electromagnetically via three steel balls. Since the compensator lens is supported on rolling steel balls with very low friction, follow-up performance is also 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 is simpler and more compact, resulting in the smallest lightest DSLR lens possible.

 

3.  Designing a high power, compact zoom lens with VC mechanism: Optical design optimization meets optimum power distribution

    In developing such a long-range zoom lens, Tamron’s optical designers pursued the optimum distribution of power within the overall optical system based on the optical design know-how Tamron accumulated over 16 years since the introduction of the first compact AF28-200mm in 1992. The resulting optical system uses two LD (Low Dispersion) glass elements and three aspherical elements in order to effectively compensate for various optical aberrations, such as astigmatism. Yet this design allows the first optical group to be small enough in diameter to achieve the overall goal of a compact lens that also incorporates a handheld-shake compensation mechanism.

    Note: In order to achieve such a high 15X zoom ratio, 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 over the entire zoom range for the maximum magnification ratio of 1:3.5

    The AF18-270mm Di II VC allows close focusing down to 0.49m (20 inches) from the subject, over the entire zoom range, even though it also includes VC capability. The maximum magnification ratio of 1:3.5[3] at its 270mm telephoto end results in class-leading capability in high power zoom lenses designed for digital SLR cameras.

 

5.  Optical system optimized for digital SLR cameras by taking incident rays of light reaching the image sensor into consideration

    In order to effectively compensate for changes in light patterns entering the lens while zooming, the zoom lens employs an innovative optical system designed to converge the angles of rays of light entering from the center to the periphery of the lens. The light rays thus reach the image sensor within a defined circle that assures high imaging performance and reduces light falloff.

 

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 with sufficient flatness of the field under an extremely wide range of photographic conditions.

 

7.  Thorough countermeasures, including advanced internal surface coatings, prevent ghosting and flare

    Tamron employs multi-layer coatings in order to reduce reflections on lens surfaces as well as internal surface coatings (coatings on the cemented surfaces of lens elements) in order to minimize reflections from the sensor itself within the mirror box, a problem inherent to all digital SLR cameras.

 

8.  World’s first and greatest zoom power of 15X plus built-in VC mechanism achieved along with a remarkably slim maximum diameter of under 80mm

    Designing a lens with the world’s first and greatest zoom ratio of 15X inevitably entailed a larger travel distance of the components within the optical systems. But Tamron has successfully accommodated the optics as well as the special VC mechanism in a remarkably compact and slim package, by employing mechanical design technology only learned from unmatched experience in high power zoom deelopment. The result: A 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: Metal mounts are used in both Canon-mount 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 or down when the lens is being carried on the camera.

 

10. Flower-shaped lens hood as 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. New outer design matches the newest generation high power zoom lens in 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 match 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 design.

    (3) Delicate matte finish is added to the black paint 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 again to a more pronounced, easy to grasp design, compared to conventional rubber patterns. It provides better feel and touch in manipulating the lens.

 



[1] “The world’s longest zoom range” and “world’s first” are statements that apply to interchangeable lens exclusively
designed for digital SLR cameras equipped with APS-C sized image sensors, as of June 2008, according to Tamron’s survey.

[2] Tamron’s conversion value is 1.55X

[3] A format covered by an APS-C sized image sensor is smaller than that of 35mm format film. Therefore, this lens is capable of filling the frame by capturing an area that is almost the same as an area covered by a lens designed for the 35mm format and providing the maximum magnification ratio of 1:2.3.