Authentic Kamerar Fhugen Honu Video Camera Cage V2.0 + Rod Holder Kit w/ 2x 6" Rod Rails + HDMI Clamp for Panasonic GH3/GH4 and SONY A7/A7R The Honu v2.0, is compatible with the Panasonic GH3/GH4 and Sony A7/A7r Battery access, SD card door is fully accessible, it has three hotshoe dovetails on the top of the cage, one on each side and one in the center. Includes ANTI-TWIST front stops on the forward edge of the cage that aligns the GH3/GH4 camera parallel to the cage. Includes 1x Honu Rod Holder; 1x Hot Shoe Lock; 2x 6 inch 15mm Rods Important! The Honu cage with compatible with the Sony A7s, but the hotshoe won't work.