Wooden Camera Zip Box Pro 4 x 5.65 Swing-Away Reduction Rings. The Wooden Camera Zip Box Pro 4 x 5.65 Swing-Away Reduction Rings work with the Zip Box Pro. These interchangeable backs allow you to create a light tight seal with lenses that have a front diameter of 110, 104, 95, 87, or 80mm.

The backs easily swap out by loosening four thumbscrews..

• For Zip Box Pro Swing-Away Configuration
• For 110, 104, 95, 87 & 80mm Lens Fronts