Manfrotto MVH502AH brand_Film Washi The open slot is a

The open slot is a factory thing

For a camera about the size and weight of a compact DSLR

or several smaller ones

DO NOT BUY THIS CAMERA IF YOU ARE NOT SPECIFICALLY LOOKING FOR AN INFRARED MODIFIED CAMERA

Awful wink-wink edgelord name aside

Manfrotto MVH502AH brand_Film Washi The open slot is aThe Manfrotto MVH502 is a sturdy fluid head for video. All metal construction, with adjustable fluid drag on pan and tilt axes. Rated for payloads of up to 10kg, which should accomodate most mid sized video setups. In excellent condition, with minor wear from light use. The base is designed to fit any tripod with a 3 8 threaded fitting (this is a flat base head, not a half ball).