SmallRig Half Cage for Sony Alpha 7 IV / Alpha 7S III / Alpha 1 / Alpha 7R IV / Alpha 7R V - SmallRig

The SmallRig 3639 Half Cage is a versatile solution designed for Sony Alpha 1, Alpha 7R IV, Alpha ...

Best current price£39.90from Wex Photo Video

One Offer

1 offer from £39.90

View price history by clicking the chart icon.

Wex Photo VideoSmallRig Half Cage for Sony Alpha 7R V, Alpha 7 IV, Alpha 7S III, Alpha 1, Alpha 7R IV - Camera Cage - Black
£3.99 delivery
£39.90
Visit shop

Product Information

Full details

The SmallRig 3639 Half Cage is designed for professional photographers and videographers using Sony Alpha 1, Alpha 7R IV, Alpha 7S III, Alpha 7 IV, or Alpha 7R V cameras who need accessory mounting without sacrificing the camera's natural handgrip. It provides a robust, lightweight foundation for attaching microphones, lights, and monitors while ensuring full accessibility to all controls and dials. A primary caveat to consider is that as a half-cage design, it offers less protection for the right-hand side of the camera body compared to a full-frame cage.

All features

BrandSmallRig

Extended Product Information

FAQs

Does this cage block the battery door?

No, the design is engineered to allow full access to the battery compartment and all functional buttons and dials.

Can I use this with a gimbal?

Yes, the built-in Arca-compatible plate allows for direct mounting to DJI RS 2 and RSC 2 stabilizers.

What is the benefit of the side locking plate?

The side locking plate acts as a second point of contact to prevent the camera from twisting or wobbling within the cage frame.

Is the magnetic spanner always attached?

The magnetic spanner is designed to stow securely onto the cage itself so it is always available when you need to adjust your rig.

Will this cage fit the Sony A7 III?

No, this cage is specifically designed for the Sony A1, A7R IV, A7S III, A7 IV, and A7R V series.

Troubleshooting

Camera feels loose or wobbles within the cage

Ensure both the bottom 1/4"-20 screw and the side locking plate are fully tightened using the built-in magnetic spanner.

Cannot attach the HDMI cable clamp

Verify that your specific camera model (e.g., A7 IV or A7S III) is compatible with the optional HDMI Cable Clamp 3000.

Cage scratches camera body during installation

Verify that all protective rubber spacers are properly seated in their designated grooves before tightening the screws.

Pros and Cons

Pros

  • Retains comfortable natural grip of the camera
  • Lightweight design at only 115g
  • Seamless compatibility with DJI RS 2/RSC 2 stabilizers
  • Provides full access to all buttons and dials
  • Includes convenient built-in assembly tool

Cons

  • Less chassis protection than a full-cage design
  • HDMI clamp support is model-specific
  • Not compatible with accessories requiring right-side mounting points

Setup, Compatibility & Care

To install the cage, align your camera with the mounting base and secure it using the bottom 1/4"-20 screw. Use the secondary side plate to fix the camera at the shoulder strap hole for maximum stability. The cage is specifically engineered for the Sony Alpha 7 IV, Alpha 7S III, Alpha 1, Alpha 7R IV, and Alpha 7R V.

Care instructions include wiping the aluminum surface with a dry or slightly damp microfiber cloth to remove dust or residue. Avoid using harsh chemical cleaners. Periodically check the tightness of the mounting screws to ensure the connection remains rigid after heavy usage.

Similar items

Price History

DatePrice
Visit shop