Sirui HA-77 Horizontal Arm

SKU #:
MFR #: 6003900

Brand: Sirui


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Sirui HA-77 Horizontal Arm

The versatile HA-77 allows you to convert any tripod to a mini boom. Its total 30.3" of length is provided by a two-section tube that rests on top of a tripod head, which features 360° of independent rotation. The tube and the head are connected by a fulcrum, which enables 90° of upwards or downwards tilt that can be locked into place. This allows an attached camera to be easily raised toward an elevated subject or over a scene. For subjects along the ground, the HA-77 Horizontal Arm can be used to obtain low angles while its user stands comfortably behind the camera.


  • 19.7 to 30.3" Telescoping Cross Arm
  • Load Capacity: 11 lb
  • Mount Camera Perpendicular to Tripod
  • Use as Miniature Camera Boom
  • Swivel 360°, Tilt 90° Up or Down
  • Length and Angle Hash Marks
  • Reversible 1/4"-20 or 3/8"-16 Mount
  • Built-In Swivel Head with 3/8-16 Thread
  • Padded Boom Handle, Counterweight Hook
  • Aluminum-Alloy Construction


Load Capacity:
11 lb
Female Connection Type:
One 3/8"-16 accessory thread
Male Connection Type:
Reversible 3/8"-16 or 1/4"-20 mount
Material of Construction:
Aluminum alloy
Deployed: 19.7 x 7.9" to 30.3 x 7.9" | Folded: 14.6 x 5.3"
2.6 lb

In The Box

  • Sirui HA-77 Horizontal Arm
  • Pouch
  • Hex Key for Tripod Head and Telescoping Tube Plate Retaining
  • Screws
  • 2 x Hex Key for Fulcrum Retaining Screw
  • Limited 6-Year Warranty
  • Customer Reviews