Wooden Camera Clamp-On Back for Zip Box Pro 4 x 5.65" Matte Box (100mm). The Wooden Camera 100mm Clamp-On Back for Zip Box Pro 4 x 5.65" Matte Box is an interchangeable back that allows you to mount the Zip Box Pro on a lens with a 100mm front.

The back easily swaps out with other Zip Box Pro backs by loosening four thumbscrews..

• Compatible with Zip Box Pro 4 x 5.65"
• Fits 100mm Lens
• Interchangeable Back
• Clamp-On Style