Wooden Camera UMB-1 Universal Mattebox (Swing Away)

UMB-1 Universal Mattebox (Swing Away) comes standard with two rotating 4x5.65 filter stages (with an optional third stage available), individual tray catchers, folding French flag, 143mm native diameter opening, NATO standard accessory rails on left, right, and top for attaching accessories, ARRI style rubber bellows with 114mm standard opening, a complete set of clamp on reduction rings, and a height adjustable swing away bracket.

It weighs 1.85lb (2.3lb with Top Flag). It mounts via NATO rail.