The Chrosziel AC-411-68 Flexi Insert Ring (for 130mm Clamp Adaptor) is a light prevention ring that seamlessly fits into the 130mm clamp adaptor of the Matte Box 456 Academy on rods and covers lenses with diameters ranging from 95-125mm.
Light Prevention Ring
Fits into 130mm Clamp Adaptor
Covers 95-125mm Diameter Lenses
Accessory for Matte Box 456 Academy and for Matte Box 450W-R20 superwide