IMAX has announced at CinemaCon that they and Paramount have a five picture deal to shoot film sequences using IMAX cameras, including Transformers 4. Standard film is shot in 35mm while IMAX is 70mm. The last time Michael Bay filmed in true IMAX was for Transformers: Revenge of the Fallen. It is suggested only on some sequences will be shot in real IMAX, not the entire film. While Transformers: Dark of the Moon was shown in IMAX theaters, it was not naively filmed that way. Transformers 4 is already planning on being shot with Real 3D cameras.

In the video interview (below) with Collider, Michael Bay spoke about returning to the IMAX format for "showcase scenes" as TF4 will be the first to use the next generation of smaller, better IMAX 3D digital cameras. He also said he would not being shooting in 48FPS (as used by The Hobbit).
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