Sirui HA-77 Horizontal Arm

The Sirui HA-77 Horizontal Arm is a precision tool designed to help you get the most out of your camera and equipment. This high-grade telescopic arm features two sections that can be extended from 16.5 inches (42 cm) up to 28.3 inches (72 cm). The robust construction provides stable support for heavier cameras, lenses, or lighting systems with a maximum load capacity of 22 pounds (10 kg).

With its adjustable locking tension system, this arm enables smooth panning movements for dynamic shots without any significant wobble or bounce. Additionally, the ergonomic handle ensures comfortable operation in horizontal and vertical positions while minimizing fatigue over prolonged shooting sessions. In short, the Sirui HA-77 Horizontal Arm is an indispensable tool for anyone looking for a reliable and precise way to capture stunning and cinematic shots.

Features 

Telescoping cross arm with 11 lb load capacity that can be combined with a tripod or stand to create a miniature camera boom

Compatible with tripods or support systems that feature a 3/8"-16 mount
19.7 to 30.3" of length provided by a two-section tube, which rests on top of a tripod head featuring 360° of independent rotation

Two-section tube and the head are connected by a fulcrum, which enables 90° of upwards or downwards tilt that can be locked into place

Individual thumbscrew locks allow tripod head to be swiveled, the fulcrum tilted, and the two-section tube pushed toward or pulled away from the subject
Twist lock on the two-section tube allows for rapid deployment of its second section

For precise positioning, first section of the two-section tube features clearly visible hatch marks engraved at 0.5cm intervals from 0-30cm, the second section of the tube includes hatch marks along its length from 0-27cm that are also engraved at 0.5cm intervals, and the fulcrum's 90° upwards or downwards tilt can be set according to 10° intervals

Front end on the two-section tube's second section includes a flat plate with a reversible, side-facing mount that can accommodate a camera or tripod head with a 3/8"-16 or 1/4"-20 female accessory thread

Removable foam-padded handle with a ballast hook provides a secure and comfortable grip as well the ability to counterbalance any items placed at the front of the horizontal arm

Foam-padded handle can be substituted with a second, flat plate with a reversible mount from Sirui

With a separately-available flat plate with reversible mount, a configuration of two parallel cameras, or a single camera that is parallel to a different device can be created

When foam-padded handle is in use, two-section tube and a camera at side-facing mount can be extended past the tripod or stand's legs, useful for copy stand or macro photography of subjects below the camera lens

3/8"-16 mount on foam-padded handle allows it to be unscrewed from two-section tube and screwed into the tripod head's accessory head for storage and transport

Measures 14.6 x 5.3" when configured and folded for storage and transport

Durable, aluminium-alloy construction

Drawstring pouch for storage and transport

Hex key to remove or install tripod head or two-section tube's flat plate

Two hex keys to tighten fulcrum retaining screw

Ballast hook can be removed from foam-padded handle to be used as a hex key

to remove or install tripod head or two-section tube's flat plate

Tip of 3/8"-16 mount of foam-padded handle can be used as a hex key to remove or install tripod head or two-section tube's flat plat