At the bottom of the cage is an Arca quick installation board, with multiple threaded holes reserved for connecting to other specifications of quick installation boards. On the left side is a slider with multiple threaded holes, which can connect the slider side handle and the screw locked side handle, the bottom Arca quick installation board can be switched to the Arca tripod quickly, and multiple 1/4-20 threaded holes are reserved for connecting other quick installation boards.
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