Filter holder base ring Freewell FW-L1-BL49 49mm with lid for Real Locking VND

The Freewell 49mm base ring FW-L1-BL49 is a precision-milled aluminum mounting interface for the Real Locking VND/CPL filter system. It fits lenses with a 49mm thread and provides a solid connection between the lens and Freewell Real Locking filters, while allowing the system to be extended to other diameters when used with matching adapters. The kit includes a two-snap protective lid with an integrated NFC module for quick access to manuals, warranty and support materials via a smartphone, and to protect the lens or mounted filter from dust and scratches during transport.

Advantages

The ring is made of lightweight, precision-milled aluminum that ensures reliable mechanical coupling and low added weight. Compatibility with the Freewell Real Locking system enables quick filter installation and interchangeability across different filter sizes. The included lid provides physical protection and adds NFC-based instant access to product information and support without additional packaging or paperwork.

Suitable for (tasks / use cases)

• Photographers and videographers using lenses with a 49mm filter thread
• Users of Freewell Real Locking VND and CPL filters who need a secure, repeatable mount
• Situations requiring quick access to manuals or warranty info via NFC
• Travel and outdoor shoots where lens and filter protection during transport is needed

Key specifications

• Manufacturer: Freewell
• Model / MPN: FW-L1-BL49
• Fits filter thread: 49 mm
• Ring outer diameter: 89.3 mm
• Ring thickness: 4.8 mm
• Ring weight: 5.7 g
• Cover outer diameter: 102.9 mm
• Cover thickness: 6.1 mm
• Cover weight: 25.9 g
• EAN: 4897143170709

How to use

Thread the Freewell 49mm base ring onto the lens’s 49mm filter thread until it seats firmly, then attach Real Locking VND or CPL filters to the ring according to the filter manufacturer’s instructions. Use the included two-snap lid to protect the lens or mounted filter when the system is not in use. To access manuals, warranty or support resources, bring a smartphone close to the lid’s NFC area and follow the link or prompt that appears.

Recommendations

Inspect threads on both lens and ring for dust or grit before mounting; clean with a soft brush or blower to avoid cross-threading or scratching. Store the lid and ring in a padded compartment when transporting multiple lenses and accessories.