Wooden Camera UMB-1 Universal Matte Box (Clamp On). The Wooden Camera UMB-1 Universal Matte Box (Clamp On) features two rotating 4 x 5.65" filter stages, with an optional third stage available as an add-on. It has a 143mm diameter opening and includes a set of clamp-on adapter reduction rings for use with lens diameter ranging from 80mm to 136mm.

For accessory mounting, the matte box includes NATO accessory rails on the left, right, and top. Completing the package is a folding top flag.

• Fits Lenses Up to 143mm O.D.
• Two Rotating Filter Stages
• Trays Support 4 x 5.65" Filteres
• Clamp On Adapter Set
• NATO Accessory Rails
• Folding Top Flag Included