Video Chat with a Photography Expert - Live

Sirui HA-77 Horizontal Extension Arm / Boom Arm with TZA100 Strap

BH #SIHA77TZA • MFR #HA77TZA
Sirui HA-77 Horizontal Extension Arm / Boom Arm with TZA100 Strap
Key Features
  • Load Capacity: 11 lb
  • Mount Dual Tripod Heads
  • Extends From 19.7 to 30.3"
  • Weight: 2.6 lb
The HA-77 Horizontal Extension Arm / Boom Arm from Sirui is a versatile accessory arm for macro photography, mounting dual tripod heads, and more. It features an arm that can be extended in length from 19.7 to 30.3" with the use of a simple twist-lock joint. Each end of the arm can receive a tripod head by way of a reversible 1/4"-20 to 3/8"-16 mounting stud. One end can also be converted to use the included ballast hook for added counterbalance when extending a heavy camera.
In Stock
$199.90
$184.90 after a $15.00 mail-in rebate. Offer ends March 31, 2023
$34/mo. suggested payments for 6 Mos.
with the credit card.§ 
Protect your Gear
Add a protection plan from $19.99
Ask Our Experts
800.606.6969

Sirui HA77TZA Overview

The HA-77 Horizontal Extension Arm / Boom Arm from Sirui is a versatile accessory arm for macro photography, mounting dual tripod heads, and more. It features an arm that can be extended in length from 19.7 to 30.3" with the use of a simple twist-lock joint. Each end of the arm can receive a tripod head by way of a reversible 1/4"-20 to 3/8"-16 mounting stud. One end can also be converted to use the included ballast hook for added counterbalance when extending a heavy camera.

The angle of the arm can be adjusted +/-90 degrees, and then locked in place with a robust knob. A numbered angle scale allows precise and repeatable results. The arm can also be laterally positioned with ease, and features a numbered scale. The entire arm mechanism is mounted on a sturdy panoramic base with a 360-degree rotation capacity and an independent locking knob.

Sirui HA77TZA Reviews

See any errors on this page? Let us know

YOUR RECENTLY VIEWED ITEMS