Olympus FCON-P01 Fisheye Converter For Olympus 14-42mm MFT Lens Construction: 3 Groups/ 3 Elements Lens Combinations: Master lens: M.ZUIKO DIGITAL 14-42mm f:3.5-5.6 II (Focal length set to maximum wide position recommended) Focal Length: 10.4mm (Micro Four Thirds)/20.8 mm (35mm format) Angle of view: 120 Degree Focusing Range: Closest focusing distance: 7.5" / 0.19m