Maintaining the high performance of the previous model, Tamron’s 28-300mm zoom lens now features our “Di” design, making it the ideal lens for use with both digital and film cameras. The “Di” design is achieved by applying a new optical design to its coated surfaces, and by further enhancing our already stringent quality control system. Whether you shoot film or digital, the lens provides high image quality for both platforms. When used with APS-C size digital SLR cameras, the lens provides an angle of view equivalent to approximately 44-465mm, covering the standard to ultra telephoto range with no sacrifice of quality or aperture range.

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Reviews

Tamron SP AF28-300/3.5-6.3 XR Di LD Aspherical (IF) Macro Intensive Review by bobatkins.com

In answer to the original question “Does the Tamron 28-300 deserve respect”, I’d have to answer that it does. While I think you could probably do better with two zooms, one covering something like 28-100mm and one covering 100-300mm, not everyone wants to use two lenses. For those who don’t, the Tamron 28-300 may be an appropriate choice.

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Tamron has made this lightweight, compact high power zoom lens available with the Di optical system with improved multi-coating for digital SLR cameras as well as film cameras, further enhancing its ease of use and popularity.

Tamron announces the introduction of the up-graded Tamron AF 28-200mm Lens, this model features a Di optical sysem for use with digital and film cameras. Di (Digitally Integrated) is a designation Tamron gives lenses featuring optical systems designed to meet the performance chatacteristics of digital SLR cameras as well as film cameras. The Tamron 28-200mm Lens was the first generation of high-powered zoom lenses originally introduced in 1992. The current 28-200mm model makes use of XR (Extra Refractive Index) glass to achieve a remarkably lightweight and compact product that has won wide acclaim and this new version incorporates improved multi-coating for digital SLR cameras as well as film cameras.

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Experience the great power of a 14X zoom range with Tamron’s 18-250mm*— a single lens capable of shooting both wide angle and telephoto scenes. At nearly 14X, Tamron’s lens is the world’s most powerful zoom and delivers all the photographic freedom of this enormous range in a single, compact lens. *Like a 28-400mm lens in 35mm format.

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Press release

Reviews

Tamron 18-250mm F/3.5-6.3 AF Di-II LD Aspherical (IF) Macro Review by bobatkins.com

I was actually quite surprised by the performance of this lens. I didn’t really expect a 13.9x zoom to be very good, and indeed it does have some limitations, but it did better than I expected, especially at the wide end of the range.

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At Tamron, our quest has always been to make the ideal zoom lens. As a result of this ongoing challenge, we have introduced the concept of our high-power zoom lens in the AF18-200mm XR Di II for exclusive use with digital SLRs. Tamron’s original development of proprietary core technologies such as Aspherical element production, Multiple Cam Mechanism and Integrated Focus Cam design lend to the creation of the world’s lightest, most compact 11.1X zoom lens made for digital SLR cameras.

The 18-200mm (28-300 when converted to 35mm) provides the digital photographer with the versatility of a true wide to ultra tele zoom in an amazingly easy to use design.

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Reviews

Tamron AF 18-200mm f/3.5-6.3 Di II LD Aspherical (IF) XR macro – Review / Test Report by photozone.de

There’s no such thing as a free lunch and the Tamron is no exception here. The extreme zoom range combined with the small lens dimensions comes at cost of some compromises. One is the rather slow max. aperture which limits the creative potential regarding shallow depth-of-field and the other compromise is, naturally, optical quality. In absolute terms the lens shows rather extreme distortions at the 18mm and vignetting as well as border quality don’t impress either. The latter is also true for the 200mm setting. Nonetheless the lens is capable to deliver decent quality images under controlled conditions – reads: f/8 (see also the sample shots). In the field the Tamron AF 18-200mm XR felt far more convincing than the Sigma AF 18-200mm DC thanks to a decent AF performance so if it has to be such an extreme zoom lens the Tamron is the better bet. For critical applications you should consider to split the zoom range into at least two lenses though.

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This lens employs an IF (Internal Focusing) system that maintains the overall length of the lens during focusing. Uses two LD (Low Dispersion) glass elements that effectively compensate for chromatic aberration. Provides high-contrast, outstanding image quality and a soft out-of-focus background effect. Incorporates an AF/MF one touch switchover mechanism built into the focus ring (for Canon & Nikon only). Super performance series provides high performance through outstanding design specifications.

FEC (Filter Effect Control): Features the new FEC (Filter Effect Control) function that enhances operational ease of Polarizing Filter use. The new Filter Effect Control is designed to rotate the filter to the desired position while the hood is attached. This is accomplished by turning the FEC ring that in turn rotates the portion of the filter mount where the filter is mounted.

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