The olympus 9 18mm f40 56 mzuiko digital ed wide angle zoom 35mm equivalent focal length 18 32mm expands the olympus micro four thirds lens system its ultra compact build lightweight construction of 155g and a total closed length of 49mm is made possible through the retractable parking mechanism but its not just the compact size that surprises the excellent image quality is equally impressive with the olympus 9 18mm lens you can easily create powerful effects of perspective by using