K&F Concept 37mm 3pcs UV+CPL+FLD Lens Accessory Filter Kit UV Protector Circular Polarizing Filter For Olympus PL1 E PL2 E PL3 14-42mm + Microfiber Lens Cleaning Cloth Kit Includes: 37MM K&F Concept Kit(UV+CPL+FLD) + Microfiber Lens Cleaning Cloth NOTE: This kit is compatible with all 37mm lenses. Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "" (diameter) symbol. Manufactured by a professional team for photography enthusiasts to provide a very exciting experience. 100% Satisfaction Guaranteed. High quality product made of import optics glass and resin,top level of transmittance. Metal sealing ring instead of the plastic sealing ring, better tightness, avoids fall or loose. The filters are all double-threaded, so you can stack your lens cap and other accessories as needed.