Neewer Mini Matte Box,

Filter Trays: This version includes two stackable trays designed for standard 4" x 5.65" rectangular cinema filters.
Adapter Rings: It comes with four lens adapters (67mm, 72mm, 77mm, and 82mm) to fit a wide variety of DSLR and mirrorless camera lenses.
Light Control: Features a carbon fiber top flag that can tilt 180° to prevent lens flares and glare.
Standard Mounting: Includes a 95mm standard ring for direct attachment to large lenses and a 1/4" threaded hole at the base for mounting to camera rigs.