Freewell 58?mm Base Ring & Cap

The Freewell 58mm Base Ring with Lid is a key component of the Real Locking VND/CPL system, enabling secure and fast filter attachment. Constructed from CNC-milled aluminum, it ensures durability and compatibility with all Real Locking filters and caps. The two-snap lid includes a built-in NFC module for instant access to manuals, warranties, and support, while protecting lenses and filters from dust, scratches, and damage. Part of an expandable system (49-82mm), it allows one filter set to be used across multiple lenses. Includes base ring and NFC lid.