Tamron has revealed that it will be making its 18-200mm F/3.5-6.3 Di III VC superzoom in Canon EF-M mount. In a week of unparalleled excitement for EOS M owners, it becomes the fifth autofocus lens for the two year old system, and the first from a third-party manufacturer. With a 29-320mm equivalent range, it features a stepping motor for silent autofocus, and optical image stabilization. Sales will start in the USA on June 26, at $ 499.
News: Digital Photography Review (dpreview.com)