Robin Wong: Penang Shutter Therapy with Olympus OM-D E-M10 and M.Zuiko 25mm F1.8 Olympus 25mm f/1.8 Lens Review: A ‘nifty fifty’ for Micro Four Thirds that’s fast, sharp and affordable 今私が最も気になっているレンズ25mm F1.8のレビュ2連発で…