The MMB-2 Reduction/Clamp-On Ring 87mm from ARRI enables you to clamp an MMB-2 lightweight matte box to your 87mm front-diameter lens. This composite ring's split design gently compresses to hold the matte box securely on the lens, eliminating the weight of a rod-mount system for the matte box.

For MMB-2 4 x 5.65"/4 x 4" Matte Box    For Lenses with 87mm Outer Lens Barrel    Split Design for Cine/ENG-Style Lenses    Saves Weight of Matte Box Rod Mount

Related Questions and Answers

Q: 1. Will this clamp onto Cooke Panchro iClassic primes?

A: For the ARRI Mini Matte Box MMB-2 114 Clamp-On Set to clamp onto the Cooke Panchro/i Classics, you need this clamp set. ARRI MMB-2 Reduction/Clamp-On Ring Set Cine Pro

Q: 2. Is this compatible with double thickness (2filter size) holders? Something like the Lindsey Optics Diopter +2?

A: The ARRI MMB-2 Basic Module Double 4 x 5.65" can support up to two 4 x 5.65" or two 4 x 4" filter trays, so yes, you could use a doubly thick filter with this matte box.

Q: 3. What is the difference between the model 2046 and 2046B? Is B the newer number for the same part?

A: The SmallRig NATO Clamp to ARRI Rosette Adapter has a NATO clamp on one side and the ARRI Rosette Adapter on the other side, where as the SmallRig Bolt-On Mount with ARRI-Style Rosette (SAP2804) is just an ARRI-Style Rosette, and does not have a NATO clamp on the opposite side.

Q: 4. Will the docking ring accept Bowens mount accessories, more specifically Aputure/Nanlight Accessories like domes, fesnels etc?

A: No, the ARRI Orbiter Docking Ring (Black) does not work with Bowens Mount.

Q: 5. Why is this adapter not compatible with the LMB 25, but it will fit the earlier LMB-15?

A: Yes, the ARRI LMB 4×5 Clamp Adapter (156 mm) would work with the LMB-15. The ARRI LMB 4×5 Clamp Adapter enables you to mount an LMB 4×5 or LMB-15 matte box on any lens with a 156 mm front diameter.

Q: 6. Many Tilta rosettes have smaller diameters than Arri. Other than the crops at the top/bottom, is it a full-size "Arri" rosette?

A: The key word in the listing is "ARRI." Regarding the Tilta NATO Clamp to ARRI Rosette Adapter and any other rosette with the name ARRI attached to it, will be 100% ARRI standard.

Q: 7. Is there a 85mm Clamp-On Adapter for MB-T12 Matte Box? Or will the 87mm be able to clamp firmly on to a 85mm lens?

A: While it comes with a 134 mm lens adapter installed, 114, 110, 95, and 85mm adapters are also included in the box for fitting different size lens diameters.

Q: 8. Will this loosen enough to get around a smallrig cage nato-rail that does not have an entry point, like the X-H1 full cage has on the right side? With the work around being to add a low-profile nato rail?

A: Yes.

Q: 9. Will this work with the Tilta BMPCC4k full cage right side?

A: You will need to add a NATO rail to the cage in order to attach this.

Q: 10. Is this a hard diameter or slightly adjustable? Would this work for the canon f/ 2.8 USM II lens?

A: This will not work with this lens, please use one of the following adaptors depending on the internal filter thread of the lens B1250.1070 82mm-114mmB1250.1071 77mm-114mmB1250.1072 72mm-114mm