SmallRig 2999 Cage for Sony A7S3


  • Formfitting Full Cage.
  • Firmly Fixed to Camera by a 1/4″-20 Screw and an M2.5 Screw.
  • 1/4″-20 & 3/8″-16 Threads and ARRI-style Mounts.
  • Integrated NATO Rail and Cold Shoe Mount.
  • Built-in Screwdriver on the Bottom.

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SmallRig 2999 Cage for Sony A7S3

In The Box

  • SmallRig 2999 Cage for Sony A7S3 Camera
  • Allen Wrench


  • The lightweight Camera Cage from SmallRig provides accessory mounting and protection for your a7S III mirrorless camera.
  • The camera mounts onto this formfitting aluminum cage with an integrated 1/4″-20 screw, and it incorporates an anti-twist design with padding on the base to protect the camera from scratching.
  • It maintains access to the camera’s controls and hot shoe, and it features a variety of mounting options.
  • In addition to one integrated shoe mount and multiple 1/4″-20 and 3/8″-16 accessory threads, the cage features ARRI-style accessory threads for preventing accessories from twisting when mounted on the cage.
  • The cage also features a NATO rail on the side and mounting threads on the front for a separately available lens adapter.
  • An Allen wrench stores on the bottom via a magnet for tightening the camera screw.
  • Compatibility
    Sony a7S III mirrorless camera


  • Support Type : Cage
    Grip Type : None
    Camera Compatibility : Sony a7S III
  • Mounting
    Accessory Mounting : Multiple x 1/4"-20 Thread, Multiple x 3/8"-16 Thread, Multiple x ARRI Anti-Twist 3/8"-16 Thread
    Camera Mounting : 1/4"-20 Screw
    Tripod Mounting : Cage: 1/4"-20 Thread, 3/8"-16 Thread
    Shoe Mounting : Cage, Top: 1 x Cold Shoe
    Rosettes : None
    Rail Mounting : Cage, Side: 1 x NATO Rail
  • General
    Construction : Aluminum
    Dimensions : 4.19 x 5.73 x 2.52" / 106.5 x 145.5 x 64 mm
    Weight : 7.76 oz / 220 g

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