Freewell 52 mm Base Ring & Lens Cap for Real Locking VND/CPL System

The Freewell 52mm Base Ring with Lid is a key component of the Real Locking VND/CPL system, ensuring secure and precise filter mounting. Made from CNC-milled aluminum, it guarantees durability and compatibility with VND filters and caps. The included two-snap lid features a built-in NFC module for instant access to manuals, warranties, and support while protecting the lens or filter from dust and scratches. Expandable to other sizes (49-82mm), it allows one filter set to be used across multiple lenses. Includes base ring and NFC lid.