The K&F Concept Sony Alpha 7 Cage (KF31.244) is a lightweight camera cage built for Sony Alpha 7-series cameras. It adds a protective frame around the camera while giving you extra mounting points for accessories such as microphones, monitors, lights, and handles.
K&F Concept uses high-strength CNC-machined aluminum for the cage, keeping the structure sturdy without adding unnecessary bulk. At the same time, the hollow design helps with airflow and keeps the weight down.
Designed for Sony Alpha 7 Cameras
The cage fits several Sony Alpha models, including:
- Sony A7 III
- Sony A7 IV
- Sony A7 V
- Sony A7R III
- Sony A7R V
Its shaped design keeps the camera controls, battery compartment, and ports accessible. So, you can work with the camera normally instead of constantly removing it from the cage.
Strong CNC Aluminum Construction
The KF31.244 uses CNC-machined aluminum alloy to provide a solid protective structure around the camera body. The open-frame construction also allows airflow around the camera while reducing unnecessary material.
Inside the cage, soft silicone pads help prevent direct contact between the camera and the metal frame. In addition, these pads can absorb small vibrations and help protect the camera body from scratches.
Built-In Arca-Swiss Quick Release Base
A major advantage of this cage is its integrated Arca-Swiss quick-release base. This allows the cage to connect directly to compatible Arca-Swiss tripod systems without needing a separate plate.
As a result, moving your Sony camera between a cage setup and a compatible tripod can be much quicker.
Add Microphones, Lights and Monitors
The cage also expands your camera setup with accessory mounting options. You can use compatible mounting points to build a more complete video rig around your Sony Alpha camera.
For example, you can add:
- External microphones
- LED lights
- Camera monitors
- Handles
- Other compatible video accessories
This makes the cage especially useful when a basic camera body isn’t enough for your filmmaking setup.
Ergonomic and Camera-Friendly Design
The cage follows the shape of the camera body rather than simply surrounding it with a bulky frame. This keeps the setup comfortable to handle while maintaining access to essential controls.
The internal silicone padding also adds a layer between the camera and aluminum frame. Therefore, the camera gets additional protection without sacrificing everyday usability.
Convenient Magnetic Mounting Tool
K&F Concept includes a built-in magnetic wrench for quick installation and removal. This means you don’t always need to carry a separate tool when adjusting the cage.
The package also includes a 3/8″ to 1/4″ screw adapter, providing additional compatibility with common camera accessories.
Compact and Lightweight
The cage measures approximately 14.7 × 10.9 × 6.4 cm and weighs around 164 g.
That relatively low weight makes it practical for handheld video work, especially when you are already adding a microphone, monitor, or light to the camera.
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