In the previous edition of U.S. Health Care from a Global Perspective, we reported that people in the United States experience the worst health outcomes overall of any high-income nation. 1 Americans ...
With an effective zoom range of 24-80mm in full-frame terms, and a fast constant aperture of f/2.8, this is a pro-grade standard zoom lens for Micro Four Cameras. It has a suitably tough, ...
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