LockCircle BirdCage PRO-S a7 MK2 Flex Bundle (Black)

LockCircle BirdCage PRO-S a7 MK2 Flex Bundle (Black)
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Expected availability: 2-4 weeks
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LockCircle BCA7M2PROSLP-BLE Overview

The black BirdCage PRO-S a7 MK2 Flex Bundle LockCircle is designed for the mirrorless Sony a7R II and a7S II cameras. It includes the form-fitted BirdCage PRO-S camera cage, a top grip handle, and the LockPort Flex kit with MicroPort. The cage is specifically designed for use with the Sony sound capture accessories using a multi-interface hot shoe compatible system. The cage's asymmetric design keeps the right-hand camera grip and controls open for easy operation and handling. It features numerous 1/4" and 3/8" mounting threads for accessory mounting. The top grip handle also features 1/4"-20 and 3/8"-16 accessory threads and can support a 15mm rod through its aluminum construction. The handle allows for low-mode shooting.

The integrated LockPort Flex sets the HDMI port output in the best position to reach viewfinders and monitors with an improved cable layout on your rigs. The LockPort Flex comes with 3 micro-to-full-size HDMI cables (4, 6, and 8") to offer variety of mounting options. The MicroPort further secures the micro HDMI/mini USB connectors with safety locking, titanium knobs.

LockCircle BirdCage PRO-S Kit for Sony a7 II Series (Black)

The black BirdCage PRO-S from LockCircle is a form-fitting, professional cage for the Sony a7 II, a7R II, and a7S II cameras. It leaves the grip-side of the camera accessible for unencumbered operation and handling. Similar in nature to the BirdCage PRO model, the PRO-S (with the "S" standing for "sound") doesn't block the multi-interface shoe, allowing users to attach compatible external microphones and audio adapters. For accessory mounting, you'll find numerous threaded holes along the top, bottom, side, and front of the cage. The riser baseplate features a receiver for attaching an optional Meta Block or IMS block to support select Metabones and P+S Technik Positive-Locking System lens mount adapters.


  • Camera cage for a7 II series cameras: a7 II, a7R II, a7S II
  • Design leaves grip side open for access to controls and battery compartment
  • CNC Machined from billet aluminum
  • 1/4"-20 and 3/8"-16 accessory mounting threads
  • Riser baseplate compatible with optional Meta Block and IMS Block to support Metabones and P+S Technik Positive-Lock lens mount adapters
  • Optional top handle, shoe mount, focal plane pin, cable lock, and LockPort Flex micro-HDMI to HDMI adapter available

LockCircle LockPort FLEX Micro-HDMI to HDMI Cable Kit for BirdCage PRO

Connect and secure your HDMI cables when monitoring and outputting video when using the BirdCage PRO cage on your Sony alpha camera with the LockPort FLEX Micro-HDMI to HDMI Cable Kit from LockCircle. The kit includes a locking micro-HDMI male to HDMI Type-A female cable, the FlexPort HDMI cable lock, and three micro-HDMI male to HDMI Type-A female cables measuring 3.9, 5.9, and 7.9" in length.

The kit offers options of cable lengths for use with your camera output, and the FlexPort cable lock attaches to the BirdCage camera cage using two titanium screws.


BirdCage PRO camera cage for Sony alpha cameras

LockCircle BirdCage PRO-S Kit for Sony a7 II Series (Black) Specs

Accessory MountingTop: 31 x 1/4"-20 Thread, 2 x 3/8"-16 Thread
Side: 34 x 1/4"-20 Thread, 2 x 3/8"-16 Thread
Front: 40 x 1/4"-20 Thread
Camera Mounting1/4"-20 Screw
Support TypeCage
Grip TypeNone
Camera CompatibilitySony a7 II, Sony a7R II, Sony a7S II
DimensionsHeight: 1.99" / 5.05 cm (Optical Center)
Height: 4.3" / 10.8 cm
Weight7 oz / 200 g
Packaging Info
Package Weight1.35 lb
Box Dimensions (LxWxH)8.2 x 4.6 x 4.2"

LockCircle Top Grip Handle for BirdCage PRO Specs

Grip TypeTopside Handle
Packaging Info
Package Weight0.3 lb
Box Dimensions (LxWxH)4.9 x 3.3 x 1.8"

LockCircle LockPort FLEX Micro-HDMI to HDMI Cable Kit for BirdCage PRO Specs

Cable TypesMicro-HDMI Male to HDMI Type-A Female
Cable Lengths1 x 3.9" / 10 cm
1 x 5.9" / 15 cm
1 x 7.9" / 20 cm
WeightFlex Port: 2.4 oz / 68 g
Packaging Info
Package Weight0.25 lb
Box Dimensions (LxWxH)4.7 x 2.4 x 1.2"
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