Tamron Announces Ultra-Wide and Tele-Macro Zooms

The 10-24mm zoom is designed to work with DSLRs that have APS-C-size sensors, while the 70-200mm lens can be used on any digital SLR with a compatible mount.
By Aimee Baldridge February 4, 2008

Click to see enlarged views of Tamron's new ultra-wide and tele-macro zoom.

Tamron has announced the development of two new lenses. The SP AF10-24mm F3.5-4.5 Di II LD Aspherical (IF) is designed for use with digital SLRs that have APS-C-size sensors, while the SP AF70-200mm F2.8 Di LD (IF) Macro can also be used with full-frame DSLRs. Both lenses have internal focusing mechanisms and will be available with Canon, Nikon, Pentax, and Sony mounts.

The SP AF10-24mm F3.5-4.5 Di II LD Aspherical (IF) incorporates an HID (high index/high dispersion) element and two LD (low dispersion) elements to minimize chromatic aberrations, as well as a molded-glass aspherical element and three hybrid aspherical elements to further reduce optical flaws. Tamron also says that the lens design minimizes peripheral light fall-off, and that the lens uses newly developed internal multiple coatings to reduce flare and ghosting. The lens has a minimum focus distance of 0.8 feet throughout its zoom range, a maximum magnification ratio of 1:5.1, and an f/22 minimum aperture. It takes a 77mm filter and comes with a flower-shaped hood.

The SP AF70-200mm F/2.8 Di LD (IF) Macro has a minimum focus distance of 3.1 feet throughout its zoom range, a maximum magnification ratio of 1:3.1, and an f/32 minimum aperture. It incorporates three LD elements and internal multiple-layer coatings. The Canon and Nikon versions of the lens have a switch on the barrel for quickly changing between autofocus and manual focus. The lens takes a 77mm filter and comes with a flower-shaped hood and a removable tripod socket. The new lenses are expected to be available later in 2008. Pricing has not yet been announced.

more from By Aimee Baldridge at popphoto.com/
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Tamron Press Release for SP AF70-200MM F/2.8 DI LD (IF) MACRO
Tamron Press Release for SP AF70-200MM F/2.8 DI LD (IF) MACRO

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