Olympus OER Pro .2 Micron Internal Filter - Supply4GI
ND Clip Filter Series for Olympus Micro Four Thirds Cameras - STC Optics
Amazon.com : Olympus PRF-D58PRO Lens Protect Filter for M.ZUIKO DIGITAL ED 14-150mm f4.0-5.6, M.ZUIKO DIGITAL ED 40-150mm f4.0-5.6 and M.ZUIKO DIGITAL ED 75-300mm f4.8-6.7 (26096),Black : Camera Lens Filters : Electronics