Tamron has announced the development of three new full-frame lensestwo for Canon & Nikon full-frame DSLRs and one for Sony E-mount full-frame cameras. The new Tamron lenses will be the SP 35mm F1.4 Di USD and 35-150mm F2.8-4 Di VC OSD for Canon and Nikon DSLRs, as well as an ultra-wide 17-28mm F2.8 Di III RXD for Sony E-mount cameras.

Tamron will display these new lenses at CP+ 2019, the World Premiere show for camera and photo imaging, beginning February 28 through March 3, 2019 at Pacifico Yokohama.
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https://www.dailycameranews.com/2019/02/development-announcement-tamron-35-150mm-f-2-8-4-sp-35mm-f-1-4-and-17-28mm-f-2-8-lenses/