Olympus Corp. has today made official a lens whose development was first revealed back in February, alongside the announcement of the Olympus E-M5 camera body. The Olympus M.ZUIKO DIGITAL ED 75mm f1.8 prime lens offers a 35mm-equivalent focal length of 15mm on a Micro Four Thirds camera body, with a bright f/1.8 aperture. It's pretty compact given the specifications, at 2.7 inches (69 mm) long, with a diameter of 2.5 inches (64 mm), and weighs 10.8 ounces (305 g). The optical design includes a nine-bladed aperture, and 10 elements in nine groups, of which there are three ED (Extra-low...
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