Wooden Camera UMB-1 Mattebox Clamp On Ring (143-136mm)

The 143-136mm UMB-1 Matte Box Clamp-On Ring from Wooden Camera enables you to use your base or swing-away version of the UMB-1 Universal Matte Box as a clamp-on matte box with a lens with a front outer diameter of 136mm. The clamp-on ring is made from ABS plastic for a combination of strength and durability and features a split ring design for a secure grip.

Compatibility

UMB-1 Universal Matte Box Base and Swing-Away versions.

Functionality

The split ring design allows the clamp-on ring to compress while evenly distributing the clamping force on your lenses barrel.