Olympus 17mm f2.8 Lens (Silver) EW-M1728
he silver M.ZUIKO Digital 17mm f/1.8 Lens from Olympus is an all-metal 17mm prime lens designed for the Olympus line of Micro Four Thirds cameras such as the E-PM2, E-PL5 and E-P5 digital cameras. Its focal length is equivalent to 34mm in the 35mm format and its minimum focusing distance is 9.8" (25 cm). It is a very bright, fast lens ideal for everyday photography as well as street photography in which fast shutter speeds and sufficient light is important. Of course, with a wide maximum aperture of f/1.8, this is a fine lens for low-light situations and shallow depth of field imaging.