SMALLRIG MASTER FOR SONY ALPHA 7SIII/A7SIII/A7S3

SmallRig Master Kit for Sony Alpha 7S III A7S III A7S3 3009 includes an aluminum full cage, an HDMI cable clamp, a thin NATO rail and a quick release NATO top handle. The camera cage features numerous 1/4″-20 and 3/8″-16 mounting threads, a NATO rail, a cold shoe mount and ARRI-style mounts for accessories. The HDMI clamp attaches to the side of the cage using a 1/4″-20 screw and two anti-twist pins, which prevents the camera’s HDMI cable from accidentally disconnecting. The NATO rail attaches to the top of the cage using two 1/4″-20 screws, and the top handle quickly mounts on the rail, providing a comfortable hand-holding point.

Designer: Tracy Joy

Compatibility:
Sony A7S III

The SmallRig Master Cage for Sony A7S III is a professional-grade camera cage designed to provide maximum protection, stability, and expandability for Sony Alpha A7S III mirrorless cameras. Built for filmmakers and content creators, this master cage transforms your camera into a fully rigged production system suitable for cinema, broadcast, and commercial work.

Precision-machined from high-strength aluminum alloy, the cage offers a snug, form-fitting design that secures the camera firmly without blocking access to buttons, ports, or battery compartments. The integrated anti-twist design prevents unwanted camera movement during handheld or rig-mounted shooting, ensuring consistent performance in demanding environments.

The SmallRig Master Cage features multiple 1/4”-20 and 3/8”-16 threaded mounting points, including ARRI-style locating holes for secure accessory attachment. These mounting options allow users to easily add monitors, microphones, wireless transmitters, LED lights, handles, and other professional accessories. A built-in NATO rail provides quick mounting for compatible top handles and side handles.

Designed with workflow efficiency in mind, the cage supports both horizontal and vertical shooting setups and is fully compatible with tripod plates, gimbals, and shoulder rigs. The cage also includes dedicated mounting points for HDMI cable clamps, helping to protect camera ports and maintain stable signal connections during recording.

Ideal for filmmakers, videographers, and hybrid shooters, the SmallRig Master Cage for Sony A7S III delivers a balance of durability, flexibility, and ergonomic design. Whether shooting documentaries, commercials, cinematic films, or online content, this cage enhances camera handling and expands creative possibilities without compromising portability.