Fluorescence Filter Set for Green Fluorescence Protein (GFP)
Amazon.com: PLR Optics 40.5MM High Resolution 3-Piece Filter Set (UV, Fluorescent, Polarizer) for The Olympus DSLR Cameras Which Has The ZUIKO Digital ED 14-42mm f3.5-5.6"Micro 4/3 Zoom Olympus Lens : Everything Else