UMB-1 Universal Mattebox (Universal Donut)

The UMB-1 Universal Mattebox, also known as the Universal Donut, is a versatile cloth donut designed specifically for lenses with non-standard diameters. This donut features thumb loops that make it easy to stretch and position over the lens. The outer ring has a diameter of 143mm, making it compatible with other standard matteboxes. This makes it a convenient and practical option for photographers and filmmakers who work with a variety of lenses.

With the UMB-1 Universal Mattebox, users no longer have to worry about finding a donut that fits their specific lens diameter. The thumb loops and universal size make it a user-friendly and efficient solution for managing light and preventing glare. This universal donut is a must-have for any photographer or filmmaker looking to streamline their equipment and enhance their creative process.