O'Conner O-Box Matte Box Kit

The O'Conner OBox has two 4×5.65 stages, with the second stage able to rotate 360 degrees. A third round filter will fit in the included 138mm bellows attachment. It comes with a top flag, and mounts for either hand-held or studio 15mm rods. It can also be used with clamping rings as a clip-on matte box.