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Tamron 70-300mm f/4-5.6 Di LD Macro

Tamron 70-300mm f/4-5.6 Di LD Macro - The Tamron 70-300mm has been upgraded to join the rest of their digitally optimised Di series lenses.

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Category : Interchangeable Lenses
Product : Tamron 70-300mm F/4-5.6 Di LD Macro 1:2
Price : £129
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Tamron 70-300mm f/4-5.6 Di LD Macro
Press Release:
Mr. Morio Ono, President of Tamron Co., Ltd., announced today that Tamron will introduce in Spring 2006 the AF70-300mm F/4-5.6 Di LD Macro 1:2 (Model A17) , featuring a Di* optical system designed for both digital and film cameras.

Di (Digitally integrated) is a designation Tamron gives lenses featuring optical systems designed to meet the performance characteristics of digital SLR cameras as well as film cameras.

Tamron now offers a lightweight, compact, high-image-quality telephoto zoom lens with macro capability of 1:2 that can also be used with digital camerasthe AF70-300mm F/4-5.6 Di LD Macro 1:2 (Model A17) . The new lens is a Di type lens using an optical system with improved multi-coating designed to function with digital SLR cameras as well as film cameras. With this 70-300mm telephoto zoom lens, flipping a macro switch in the focal length range of 180mm to 300mm obtains a maximum magnification ratio of 1:2 at a minimum focus distance as short as 95cm (37.4), enabling close-up shots of flowers, insects, and other objects that normally require the use of a specially designed macro lens. Moreover, this is a zoom lens that casually offers the distant capture and foreshortening effect pleasures of the 300mm ultra-telephoto world.

Main Features
Improved Coatings Transform Zoom Lens into a Di Type Lens Designed for Digital SLR Cameras
By employing Internal Surface Coatings (i.e., multiple-layer coatings on cemented surfaces of plural elements) and new multiple-layer coating technology on ordinary elements, ghosting and flare due to reflections that occur when light enters through the front element and reflections caused by the imagers themselves are reduced to the absolute minimum. Additionally, upgraded advanced quality control raises the level of resolution performance standards and prevents flare due to aberrations, resulting in a telephoto zoom lens suitable for photography with interchangeable-lens type digital SLR cameras.

Macro Effect of 1:2 in Telephoto Zoom Range
Flipping a macro switch in the focal length range of 180mm to 300mm allows entry into the macro range, for photography as close as 95cm (37.4) from the subject. In the macro range, one can take advantage of the telephoto effect and a maximum magnification ratio up to 1:2. (In normal shooting ranges, the minimum focus distance is 1.5m.) In addition, since the focal length in the macro range spans from 180mm to 300mm, zooming can also be used to adjust composition.

Designed for Use on Both Digital and 35mm Film Cameras
The ultra-long telephoto zoom covering up to 465mm equivalent can be used on a digital SLR camera, while the wide-end 70mm can be used with a conventional 35mm film SLR camera for portraits and other moderately mid-range shots.

External Design Shared by All Di Lenses
The external design features a gold-colored label on the ring, representative of the heightened visibility and quality design of the Di lens family. Additionally , the black coating over the entire lens barrel creates a high-quality, sophisticated look. The rubber pattern on the zoom and focus rings have been changed to a smaller, higher density pattern that creates a more unified look with the camera and improves the tactile feel when handling.

Specifications
Tamron AF70-300mm F/4-5.6 Di LD Macro 1:2
Focal Length: 70-300mm
Maximum Aperture: F/4-5.6
Angle of View: 3421' - 8 15'
Lens Construction: 13 elements / 9 groups
Max. Mag Ratio: 1:2 (at f=300mm, MFD 0.95m)
Diaphragm Blades: 9
Filter Size: 62mm
Size (Diameter x Length): 3.0 in. x 4.6 in.
Weight: 15.3 oz (435g)*
Standard Accessory: Lens Hood
Compatible Mount:
Canon AF, Konica Minolta AF-D, Nikon AF-D and Pentax AF
*specifications based on Nikon mount

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