Olympus PRF-D40.5 Pro Lens Filter

The Olympus 40.5mm PRF-D40.5 Pro Lens Filter is a clear, multi-coated, optical glass filter that is designed to protect your lens, while having zero impact on your image quality. The PRF-D40.5 lens filter also helps to reduce dust, and protect your lens from scratches, moisture, & other elements. The lens filter's physical design is composed of multi-coated optical glass for optimized light transmission, as well as optical quality, & features an aluminum filter ring for durability. The multi-coated optical glass also helps to prevent lens flare and ghosting.