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SmallRig Basic Cage Kit for Select Sony Alpha Series Cameras

BH #SM3668B • MFR #3668B
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SmallRig Basic Cage Kit for Select Sony Alpha Series Cameras
Key Features
  • For Select Sony a7 Cameras
  • Full Camera Cage
  • HDMI Cable Clamp
  • Top Handle with ARRI Anti-Twist Mount
Outfit your compatible Sony a7 series camera with a protective cage, HDMI cable clamp, and top handle using this Basic Cage Kit from SmallRig. Included in the kit is a custom-fit camera cage compatible with the Sony a7R V, a7 IV, and a7S III with multiple mounting threads, cold shoe mounts, and a NATO rail to create a rig best suited to your needs. An HDMI cable clamp can be attached to the side of the cage to reduce strain on your camera's output connection to your secondary monitor. The top handle offers an alternative grip with additional mounting points.
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Kit Contains:

Outfit your compatible Sony a7 series camera with a protective cage, HDMI cable clamp, and top handle using this Basic Cage Kit from SmallRig. Included in the kit is a custom-fit camera cage compatible with the Sony a7R V, a7 IV, and a7S III with multiple mounting threads, cold shoe mounts, and a NATO rail to create a rig best suited to your needs. An HDMI cable clamp can be attached to the side of the cage to reduce strain on your camera's output connection to your secondary monitor. The top handle offers an alternative grip with additional mounting points.

SmallRig Full Camera Cage for Select Sony Alpha Series Cameras

Custom-fit to select Sony a7 models, this Full Camera Cage from SmallRig protects your camera while providing a myriad of mounting points for customizable gear configurations. The design of the cage maintains access to the camera's buttons and ports thanks to a hinged arm for battery replacement, among other custom details. Integrated locking side plates with M2.5 screws can be adjusted depending on the camera model you are using, for extra security.

Multiple 1/4"-20 threads and ARRI anti-twist 3/8"-16 threads throughout the cage offer mounting points for articulating arms. Two cold shoe mounts and a NATO rail can accommodate wireless transmitters, fill lights, or side handles. The bottom of the cage features an Arca-type quick release plate for easy integration onto a tripod or stabilizer. The cage's overall aluminum alloy and stainless steel construction creates a durable and lightweight design, and rubber pads on the interior protect the camera from scratches.

Compatible Cameras
Sony a7 IV
Sony a7R V
Sony a7S III
SmallRig HDMI Cable Clamp for Sony a7S III Camera Cage

Protect and secure the HDMI cable on your Sony a7S III camera with this HDMI Cable Clamp from SmallRig. The durable aluminum clamp is compatible with the SmallRig 2999 cage for the Sony a7S III camera.

The clamp is designed to prevent the HDMI cable from pulling or accidentally disconnecting. It mounts onto the side of the cage using one 1/4"-20 screw, which is secured with two anti-twist pins to prevent twisting. The cables are secured with an easy-grasp, knurled 1/4"-20 screw. The screw adjusts a sliding block that can be tightened to accommodate different cable diameters. An Allen wrench is included to secure the mounting screw.

Cage Compatibility
SmallRig 2999 cage for the Sony a7S III
SmallRig Top Handle with ARRI-Style Anti-Twist Mount

Carry your camera or perform low-angle shots using this Top Handle with ARRI-Style Mount from SmallRig. The handle uses a locking 3/8"-16 thumbscrew with locating pins to attach securely to your camera cage.

This versatile handle sports one locking and two standard cold shoe mounts, as well as multiple 1/4"-20 and 3/8"-16 ARRI-style anti-twist threads. The handle is constructed with durable aluminum and stainless steel components.

Compatibility
Cages and rigs with 3/8"-16 ARRI-style mount with locating holes

Also compatible with but not limited to:
SmallRig Monitor Mount 2294
SmallRig Monitor Mount 2348
Kit Contains:

SmallRig Full Camera Cage for Select Sony Alpha Series Cameras

Support Type
Cage
Grip Type
No
Camera Compatibility
Sony a7 IV, Sony a7R V, Sony a7S III
Mounting
Battery Plate Type
No
Accessory Mounting
Multiple 1/4"-20 Female Thread
Multiple ARRI Anti-Twist 3/8"-16 Female Thread
Camera Mounting
1/4"-20 Male Screw
Tripod Mounting
Built-In Arca-Type Plate
Shoe Mounting
2x Cold Shoe
Rosettes
No
Rail Mounting
1x NATO Rail
General
Materials
Aluminum, Rubber, Silicone, Steel
Dimensions
5.7 x 4.2 x 2.5" / 146 x 107.6 x 64.5 mm
Weight
6.7 oz / 190 g
Packaging Info
Package Weight
0.58 lb
Box Dimensions (LxWxH)
7.2 x 5.7 x 2.8"

SmallRig Full Camera Cage for Select Sony Cam... Reviews

Fits perfect on A7V

By Sam R
Rated 5 out of 5
Date: 2026-02-09

This is my second cage, first was for a A7iii, as expected the fit is precise, beefier than expected. The handle could use nonslip padding, I added gaffers tape. It's well made and I plan to use it in lieu of my DJI gimbal. It's a good investment.

Wrong description

By Anand
Rated 1 out of 5
Date: 2024-10-16

Bought this to use with Sony A1. Item description lists Sony A1 as compatible. When you install the cage, battery door does not open. Checking at SmallRig website, it does not say any compatibility with Sony A1 anywhere for this model 3668B listed here. B&H will need to change the description to include only compatible models.

See any errors on this page?

Will this cage and top handle work with the Sony ...

Will this cage and top handle work with the Sony XLR- K3M adapter attached to the hot shoe on the A7SIII?
Asked by: Brandon
Yes, the following roll-cage will accommodate hot shoe accessories depending on the accessories being used will determine if top handle needs to get removed.
Answered by: hectorm
Date published: 2023-05-18

will it fit an A7IV body?

will it fit an A7IV body?
Asked by: Bruce
The Sony a7IV is indeed listed in the compatible cameras list in the overview of the listing for the SmallRig Basic Cage Kit for Select Sony Alpha Series Cameras.
Answered by: Jonathan S
Date published: 2023-11-12

Is this fit for alpha 1 camera?

Is this fit for alpha 1 camera?
Asked by: Mohanraj
Yes, the SmallRig Basic Cage Kit for Select Sony Alpha Series Cameras (BH #SM3668B) will fit a Sony Alpha 1 camera.
Answered by: Zacky
Date published: 2024-10-16

Will this work for an A7S II?

Will this work for an A7S II?
Asked by: Louis
The SmallRig Basic Cage Kit for Select Sony Alpha Series Cameras is not compatible with the a7sii. The listed compatibility is for the: Sony a1 Sony a7 IV Sony a7R IV, V Sony a7S III
Answered by: Jonathan S
Date published: 2023-10-09
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