Wooden Camera Extra Stage Set for UMB-1 Universal Matte Box. The Extra Stage Set for UMB-1 Universal Matte Box from Wooden Camera allows you to add a third rotating stage to all versions of the UMB-1 Universal Matte Box. The Stage Set includes an individual filter tray catcher that prevents the filter tray from accidentally falling through the matte box, a rotation lock, filter lock, and a 4 x 5.65" filter tray.

This filter stage will also accept a 4 x 4" filter tray (not included)..

• Allows Expanding UMB-1 to Three Stages
• For 4 x 4" and 4 x 5.65" Filter Trays
• 4 x 5.65 Filter Tray Included