Olympus expands mirrorless line with compact E-M10[ Wed, 29 Jan 2014 07:33:03 GMT ]Competition in the world of compact interchangeable-lens cameras is fiercer than ever, and Olympus has just dropped a new device into the fray: the OM-D E-M10, an update to the popular E-M5 that adds a few useful features while reducing the size and weight.