SmallRig 3133 Light Cage Kit for Sony a7 III/a7R III/a9

RM 672.00

RM 504.00

SKU: SM-3133

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Add protection and a variety of accessories to your Sony a7 III, a7R III, or a9 camera with this Light Cage Kit from SmallRig. The kit includes a formfitting light camera cage, an HDMI cable clamp, and a swivel and tilt monitor mount.

The lightweight cage fits the camera without blocking access to any ports or slots, with screws keeping the camera from twisting, and it features numerous mounting threads and a shoe mount. The cable clamp mounts onto the cage to prevent your HDMI cable from pulling or disconnecting. The adjustable monitor mount attaches to the cage via an ARRI-style anti-twist mount and allows you to swivel a monitor 360° and tilt it up to 170°.

SmallRig Light Cage for Sony a7 III/a7R III/a9

The formfitting Light Camera Cage from SmallRig protects and offers accessory mounting for your Sony a7 III, a7R III, or a9 camera. The durable aluminum cage maintains open access to the camera's controls and features a variety of mounting options. It features multiple 1/4"-20 threads and ARRI-style 3/8"-16 anti-twist mounts for attaching accessories.

There are multiple 1/4"-20 and 3/8"-16 tripod mounting threads on the bottom to add an optional quick release plate or mount onto a tripod. The camera mounts onto the cage using a 1/4"-20 screw, as well as an M2.5 screw on the side to prevent twisting, and rubber padding on the base also helps prevent twisting and scratching. An integrated strap slot allows you to add an optional wrist or shoulder strap. A screwdriver is included to secure the screws, and it stores in the base of the cage.

Camera Compatibility

Sony a7 III, a7R III, and a9 cameras

Accessory Compatibility

Compatible with but not limited to:

SmallRig Top Handle 1984
SmallRig Wooden Side Handle 2093
SmallRig Cable Clamp 3104
SmallRig ARRI Locating Handle 2165
SmallRig Ball Head Magic Arm 2115

SmallRig Universal Wood Side Handle

Add a right- or left-side handle to your camera rig or cage with this Universal Wood Side Handle from SmallRig. The aluminum portion of the handle features 1/4"-20 and 3/8"-16 mounting threads plus a shoe mount on top of the handle to add a light, microphone, monitor, mounting arm, or other accessory.

The handle attaches to the cage with two thumbscrews that measure 0.7" apart. The screws attach to a sliding mechanism that allows you to slide the handle up and down within a range of 1.6" for your preferred position. The smooth wood handle provides a solid, comfortable grip. A built-in Allen wrench allows you to adjust the handle position quickly.

SmallRig HDMI Clamp 3104

SmallRig's HDMI Clamp 3104 is designed for their 2917/2918 cages for the Sony a7 III, a7R III, and a7R IV. The clamp attaches to the cage with a single included 1/4"-20 screw, and it secures your HDMI cable connector at the turn of a thumbscrew to prevent accidental disconnections.

While the 2917/2918 cages also support other cameras, this clamp is designed specifically for the above a7 series cameras.


Accessory Mounting Cage: Multiple x 1/4"-20 Thread, 2 x Anti-Twist 3/8"-16 Thread
Camera Mounting 1/4"-20 Screw
Tripod Mounting 1/4"-20 Thread, 3/8"-16 Thread
Shoe Mounting None
Rosettes None


Construction Aluminum, Rubber
Dimensions 5.6 x 4.2 x 2.3" / 143.5 x 106 x 58.5 mm
Weight 5.9 oz / 167.2 g


Support Type Cage
Grip Type None
Camera Compatibility Sony a7 III, Sony a7R III, Sony a9

Packaging Info

Package Weight 0.615 lb
Box Dimensions (LxWxH) 6.55 x 6.3 x 3.45"

SmallRig Universal Wood Side Handle Specs

Material of Construction Aluminum, Wood
Thumb Screws 2 x 1/4"-20 Cage Mounts
0.7" / 18 mm Apart
Mounting Options 3/8"-16 and 1/4"-20 Threads
Shoe Mount
Sliding Range 1.6" / 4.1 cm
Dimensions 4.1 x 3 x 2" / 10.5 x 7.7 x 5.2 cm
Weight 6.7 oz / 190 g

Packaging Info

Package Weight 0.6 lb
Box Dimensions (LxWxH) 5.2 x 4.4 x 3.5"

SmallRig HDMI Clamp 3104 Specs


Material of Construction Aluminum
Dimensions 2.6 x 0.7 x 0.4" / 66.5 x 18 x 11 mm
Weight Approx. 1 oz / 30 g

Packaging Info

Package Weight 0.095 lb
Box Dimensions (LxWxH) 3.05 x 2.65 x 1.65"
  • SmallRig Light Cage for Sony a7 III/a7R III/a9
    • 1/4"-20 Screw
    • M2.5 Screw
    • Screwdriver
    • Limited 2-Year Warranty
  • SmallRig Universal Wood Side Handle
    • Limited 2-Year Warranty
  • SmallRig HDMI Clamp 3104
    • Attachment Screw
    • Allen Key