ENHANCED DURABILITY - The SmallRig 3668B cage kit protects your Sony Alpha 7R V/7 IV/7S III from damage, maintaining camera functionality with precise cutouts and secure mounting points. VERSATILE COMPATIBILITY - Designed specifically for Sony Alpha 7R V, 7 IV, and 7S III cameras, this kit ensures a perfect fit, allowing access to all ports and buttons without obstruction. ULTIMATE ADJUSTABILITY - Customize your setup with multiple 1/4'-20 and ARRI 3/8'-16 threads, plus a NATO rail, offering flexible accessory mounting for lights, monitors, and microphones. LIGHTWEIGHT DESIGN - Weighing only 12.73 oz (361g), the SmallRig 3668B cage kit adds minimal bulk to your camera, ensuring comfortable handheld shooting and easy portability.