ND Clip-in Filters For Sigma FP/BF L-Mount – Magnetic (Preorder)

Kolari Magnetic Clip-In Filters for Sigma FP/BF (L-Mount) offer precise exposure control in a compact design, allowing quick filter changes and maintaining consistent image quality.

• The description claims the filters reduce light without introducing unwanted color shifts.
• The description claims the filters are designed for maximum lens compatibility and can be paired with front-mounted filters.
• The description claims the filters are made from premium optical glass and housed in a precision CNC-machined aluminum magnetic frame.