It also built in 1/4" -20 screw holes on the bottom. Great supplies for A7M3/AR3/A7II/A7III/A7S2/A7R2. Lightweight cavity design, a large number of 1/4" -20 & 3/8" -16 threaded holes, two ARRl locating holes and a cold shoe on the top for microphone, LED lights or the monitor bracket mounting.
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