• Each REVORING features unique self retracting blade technology with threaded ends to secure on the front of your lens
• Each threaded end has been designed to overlap therefore completely removing any possibility of light leak.
• All REVORING products are made using Architectural grade Aluminum, keeping it lightweight and tough. The anodized finish also protects the ring from corrosion when shooting outside in unpredicted elements.
• Available in filter thread 37-49mm, 46-62mm, 58-77 & 67-82mm

 for details, specs and description on manufacturers site.