The Matrix 4, which is directed by Lana Wachowski, is an upcoming American science fiction action film and the fourth installment in The Matrix franchise. A rare behind the scene footage revealed RED cameras onset.
According to the current IMDB tech spec, the camera being used to film The Matrix 4 is Sony CineAlta Venice with Sony’s X-OCN ST codec. However, when examining the BTS (Behind the Scene) footage, we clearly can see some REDs, maybe Rangers cameras onset paired with Panavision lenses.
Source: https://ymcinema.com