Nitze Monitor Cage for Blackmagic Video Assist 5in - Secure

In this review of the Nitze JT-B01A cage, the bottom line is straightforward: this is a practical, lightweight aluminum frame designed for users who need a secure and expandable mounting solution for the Blackmagic Video Assist 5in 12G or 3G monitor. The reviewer found its main advantage to be a balance of durability and accessory support without blocking ports, making it a smart choice for documentary shooters, run-and-gun camera operators, and small studio setups who need reliable cable strain relief and quick accessory mounting.

Key Features

• Lightweight aluminum frame: Provides sturdy protection for the Video Assist 5in monitor while keeping overall rig weight low for handheld and gimbal use.
• Open design without obstructing ports: Keeps HDMI, USB-C and other ports accessible so you can attach cables and accessories without removing the cage.
• Built-in NATO rail and cold shoe: Lets you add microphones, LED lights or small accessories quickly and reconfigure the top mount as needs change.
• Multiple mounting points: Includes 1/4" threaded holes, 1/4" locating holes and sunhood slots to accommodate a variety of extensions and brackets.
• Secure locking method: Uses two 1/4-20 screws at top left and lower right to lock the monitor in place for reliable on-set stability.
• HDMI and USB-C cable clamps: Cable clamps reduce strain and prevent accidental disconnection or cable damage during movement.

Who It's For

The Nitze JT-B01A is best for camera operators, solo shooters and small production teams who use the Blackmagic Video Assist 5in 12G or 3G and need a compact, durable cage that supports accessories and protects cables. Its lightweight construction and accessible ports make it suited to gimbal, shoulder or tripod workflows where quick accessory changes are common.

Those who should look elsewhere include buyers who need an integrated power solution, built-in battery plates, or an elaborate rig with dozens of heavy mounts; this cage focuses on minimal weight and flexible mounting rather than replacing a full-sized monitor rig.

Pros & Cons

Pros

• Lightweight alloy frame that still feels sturdy and durable for field use.
• Top NATO rail and cold shoe make accessory mounting fast and modular.
• Cable clamps for HDMI and USB-C effectively protect connectors and reduce strain.
• Multiple 1/4" holes and sunhood slots provide versatile accessory placement options.

Cons

• Does not include power mounting or battery plate options, so additional accessories are needed for extended power solutions.

Specifications

Compatible Monitor	Blackmagic Video Assist 5in 12G / 3G
Material	Aluminum alloy frame
Top Mounts	Built-in NATO rail and cold shoe
Locking Method	Two 1/4-20 screws (top left and lower right)
Cable Management	HDMI and USB-C cable clamps
Accessory Holes	1/4" threaded holes, 1/4" locating holes and sunhood slots

Our Verdict

The Nitze JT-B01A cage is a sensible, well-made accessory for Video Assist 5in users who value portability and accessory flexibility. It delivers strong cable protection, easy top-mounted expansion and a secure locking system without adding unnecessary bulk, making it good value for shooters who want a dependable monitor cage rather than a full rig solution.

Frequently Asked Questions

Will this cage block the monitor ports?
The open frame design keeps HDMI and USB-C ports accessible, so cables can remain connected while the cage is mounted.

Can I mount a microphone or LED light?
Yes, the on-top NATO rail and built-in cold shoe allow quick mounting of small accessories like microphones or LED lights.

How is the monitor secured in the cage?
The monitor is locked in place using two 1/4-20 screws at the top left corner and lower right corner for reliable stability.