This Kupo Big Boom 4-Way Geared Controlfeatures steel and aluminum construction which provides a balance between strength and weight, and it has a black finish to reduce reflections as it is used to precisely place light fixtures weighing up to 13.2 pounds at maximum extension of the telescoping arm. The Big Boom has a Junior pin for mounting on Junior or Combo stands. It also features both a Junior and Baby pin receiver, allowing you to attach a variety of light fixtures to the end of the boom.

Four axes of geared articulation allow you to precisely control the pan, tilt, rotation, and extension of the Big Boom. These individual axes are each controlled by a separate geared crank lever. The boom has a 120° tilt range, and can be folded straight down when mounted on a stand to minimize its footprint when stored. Included with the Big Boom is an empty saddle-style sandbag that can be filled on location, and when full weighs approximately 77 pounds. The bag is outfitted with straps that help attach it to the boom, providing counterbalance. An included cable clip has space for Allen keys and can accommodate one cable with a thickness of 0.39" and one with a thickness of 0.26."

Steel & Aluminum Construction    Male Junior Mount for Mounting on Stand    Junior & Baby Pin Fixture Receivers    Supports up to 13.2 Pounds at Max Height    Geared Pan, Tilt, Rotation & Extension    7.5 to 12' Telescoping Range    Empty Saddle Sandbag Included    Cable Clip Included

• Features a four-way geared control design which allows for positioning of a light in difficult positions
• A unique mechanical design allows the boom to fold down neatly, providing an ideal solution for storage and transportation.
• The gear is covered to prevent dust and cable jamming
• Safety wire with linchpin for extra level of security
• The cable clip has space to hold two Allen keys and two cables, which keeps the cables taught and out of the way

Related Questions and Answers

Q: 1. What is the included allen wrench for?

A: The allen key is for the small allen screws at the base of the qr plate, they are stops so the plate doesn't slide out but some users prefer not to use the screws.

Q: 2. What Junior based boom will work well with the Para 133 with mono light.

A: Although this Kupo Big Boom would be suitable for the Broncolor Para 133 with a monolight attached, another option to consider is the Manfrotto 025BSL Super Boom ONLY, Black - 8.8' (2.7 m), BH # MA025BSL https://bhpho.to/3tZZiFW

Q: 3. Does anyone know if this head can be mounted on a Cosmo Mini 500 copy stand perhaps with an adapter; want to scan negs digitally and want to be able to level the camera?

A: While B&H does not carry the Cosmo Mini 500 Copy Stand you list above, it appears from the pictures on the manufacturer's website the screw on the copy stand is a 1/4"-20 male threaded screw. The Benro GD3WH 3-Way Geared Head has a 3/8"-16 female tripod socket on the base of the head, so you would need an adapter such as the Oben 3/8"-16 to 1/4"-20 Reducer Bushing, B&H # OB1039, to connect the Benro GD3WH 3-Way Geared Head to the Cosmo Mini 500 Copy Stand.

Q: 4. Does this use the same mounting plate as the ronin rs2?

A: DJI RS 2 has both upper and lower quick-release plates. The lower quick-release plate is compatible with the Manfrotto standard and can be mounted onto Manfrotto video tripod heads. The upper quick-release plate is compatible with the Arca-Swiss standard and can be compatible with Arca-Swiss tripods after disassembly. (Note: The Arca-Swiss and Manfrotto quick-release plates cannot be mounted onto the DJI RS 2 tripod.)

Q: 5. Does the Peak Design standard plate fit the K&F?

A: Yes, the Peak Design PL-S-3 Standard Plate is compatible with the K&F Concept 3-Way Geared Tripod Head.

Q: 6. I want non padded pouch for travel, when head is detached from tripod. Which one is large enough to fit Benro? I am looking at Tenba Neoprene one https://www.bhphotovideo.com/c/product/1374639-REG/tenba_636_353_tools_soft_lens_pouch.html or Lenscoat https://www.bhphotovideo.com/c/product/547496-REG/LensCoat_LCLPLWBK_LensPouch_Large_Wide_Black.html. What can you recommend?

A: The two you were looking into will not fit the head. I'd recommend a 15 inch or 19 inch lens wrap for it.

Q: 7. What is the widest the clamp can open? I need to fit in a base that is 43mm wide (which is wider than Arca standard)?

A: The widest the clamp can open is a tiny bit wider than the Arca Swiss, but not wide enough for the 43mm base.

Q: 8. Would the clamp hold a standard Peak Design small plate (like the PL-S-3)?

A: The clamp on the Benro GD3WH 3-Way Geared Head is compatible with all Arca-Type Compatible plates including the Peak Design PL-S-3 Standard Plate.

Q: 9. Will theKirk QRLB-T Universal Quick Release Tall L-Bracket fit this?

A: Yes the Kirk QRLB-T Universal Quick Release Tall L-Bracket is compatible with the Benro GD3WH 3-Way Geared Head.

Q: 10. Will this head allow the camera to be pointed straight up into the sky? Need for upcoming Solar Eclipse.

A: Yes, the Benro GD3WH 3-Way Geared Head can be pointed straight up into the sky.