3 In 1 FLD UV CPL Lens With Bag For DSLR Camera 77 Mm : UV Protector: The camera lens against dust, moisture, scratches and fingerprints provides additional benefits of ultraviolet (UV) light correction, which can register on film and tape bluish tint and can obscure distant details that can be left on the lens whole Polarizing CPL Circular Polarizer: Removes unwanted reflections from non-metallic surfaces such as glass, increases color saturation, creating deep, rich stage images, contrasting with blue sky and water shots Best for outdoor photography, minimizes haze that can be rotated to determine the amount of reflection to remove fluorescent correction : corrects the green glow that occurs when shooting in general purpose fluorescent lighting, greatly increases the color saturation of objects illuminated by natural light Specification: Fits Olympus, , , , other single lens digital SLR cameras These are manufactured from high-quality solid optical glass. Each is heat treated to avoid infrequent movements or distortions The rings are double-threaded, so you can stack as needed, and even put the lens hood on contains: 1x CPL 1x UV 1x FLD 1x carrying bag