Specifications: It can reduce visible light entering the lens, allowing users to use a wider aperture or slower shutter speed, especially in bright conditions. This special filter has multiple coatings to reduce reflections on the filter surface, reduce glare and ghosting, and provide strong contrast and balanced colors. It is made of high-quality glass and PC for good durability and scratch resistance. Item Name: ND Filter Material: Glass, PC Features: Easy to use, fine workmanship, practical Magnetic ring length: 39mm/1.54" Our products are made of the highest quality materials and are designed to give you the best possible user experience. We aim to ship all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please do not hesitate to contact us. We are here to help and do our best to help you. Thank you for choosing our product. We hope you like it When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and we have provided detailed information about the product, including its features and specifications. We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please do not hesitate to contact us. We are here to help and do our best to help you. Thank you for choosing our product. We hope you like it