The OConnor 114-55mm Threaded Universal Step-Down Ring is a threaded step-down ring compatible with the OConnor O-Box WM matte box. Use this versatile ring to replace multiple reduction rings when...

The OConnor Universal Ring 150-80mm is an aircraft grade aluminum donut ring for the OConnor O-Box Mattebox. It features a high-tech composite flex material that seamlessly supports any lens from...

Designed for use with the O-Box WM matte box, the OConnor Clamp Ring (150-80mm) fills the space between a lens with a 80mm front barrel and the 150mm diameter of the matte box back. This ring's split...

Designed for use with the O-Box WM matte box, the OConnor Clamp Ring (150-95mm) fills the space between a lens with a 95mm front barrel and the 150mm diameter of the matte box back. This ring's split...

Designed for use with the O-Box WM matte box, the OConnor Clamp Ring (150-110mm) fills the space between a lens with a 110mm front barrel and the 150mm diameter of the matte box back. This ring's...

The OConnor O-Box WM Side Flag Set (2 Flags) is a pair of side flags that is used with the O-Box WM Matte Box. Designed to fit into the side flag brackets, the side flags shield the lens from...

The OConnor O-Box Studio Adaptor (15mm) is designed to work with O-Box WM Matte Box. The adapter features two 15mm diameter protruding studs which fit into the LWS holes on the O-Grip bridge and...

The O-Box Studio Adapter (19mm) is designed to work with OConnor O-Box WM Matte Box. It has 2 protruding studs which fit into the LWS holes on the O-Grip bridge, and can then be attached to 19mm...

This OConnor Bellows Ring is a 150-114mm threaded ring that reduces the opening of an OConnor O-Box WM, enabling you to use lenses with a 114mm outer diameter. A threaded retaining ring supports...

The OConnor Filter Frame (4 x 4") holds 4 x 4” filters and is designed to be used with the O-Box WM matte box.Designed to be used with the O-Box WM matte box. For O-Box WM Matte BoxHolds 4 x 4"...

The OConnor Filter Frame (4 x 5.65") holds 4 x 5.65” filters and is designed to be used with the O-Box WM matte box.Designed to be used with the O-Box WM matte box. For O-Box WM Matte BoxHolds 4 x 5...

The OConnor O-BOX WM Set (15mm LWS) is a package that includes the O-Box WM matte box, a wide mini sunshade, top flag, two 4 x 4" filter frames, two 4 x 5.65" filter frames, and a 15mm LWS rod...