HOYA FUSION ONE is a new filter series based on the new optical HOYA technology. The aim is to replace the long-selling HOYA PRO1D series used by amateur and professional photographers around the world. The word "ONE" in the naming of this series remains as a heritage of HOYA PRO1D in memory of his contribution to the creativity of photographers, believing that this new series will continue to work well in the coming decades. Product overview: HOYA FUSION ONE complements the HOYA filter program with the fusion of all highly valued basic requirements, such as For example, multi-coating, ultra-high light transmission, high-quality optical glass and low profile frame. At the same time, a dirt-repellent coating has been installed and water-repellent coating to meet the new standards in the photo accessories industry. Recommended for amateur and professional photographers.