The Vocas Flexible Adapter Ring Kit for MB 2 Series is a set of an adapter and six rubber donut rings designed for use with the 2-series of Vocas matte boxes. The 2-series currently consists of the MB-210 and the MB-255.
You may possibly be able to use this kit with matte boxes other than those of Vocas ones, but you might experience difficulties as the kit was specifically designed for Vocas clamping systems, and other manufacturers may have different clamping systems.
The six donut rings in the kit consist of five with open cutouts and a sixth that's closed. The open ones are of 54mm, 65mm, 75mm, 78mm, and 81mm diameters to match lenses of the same sizes, and the closed one can be cut out to any diameter you may need. The outer diameter of all six is the same as that of the adapter ring.
- One matte box adapter ring and six rubber rings with different diameters.
- For use with Vocas MB-210 and MB-255 matte boxes.
- The six rubber rings consist of a closed one and five of 54mm/65mm/75mm/78mm/81mm diameters.
- The one closed rubber ring can be cut out to suit the size of your lens.