Film Cameras - GoKawiil

IMAX cameras' loud whir traced to massive 65mm film format

IMAX's signature camera noise stems from its 15/70 film format, which uses a 65mm negative running horizontally across 15 sprocket holes per frame instead of the standard five, producing images roughly three times larger than conventional film. At 24 frames per second, this means 360 sprocket holes—about 5.6 feet of film—pass through the camera every second, requiring a powerful motor and mechanical components that create audible rattling during shooting.

engadget.com · 2026-09-13

IMAX cameras' bulk and cost keep the format rare in Hollywood filmmaking

Despite IMAX existing since 1970, few films are shot using true IMAX cameras due to their massive size, weight, and noise. The cameras require expensive 65-70mm film that runs out quickly, forcing frequent stoppages that slow production and raise costs, as Tom Holland experienced on The Odyssey set. Even newer, quieter IMAX cameras like the one used on that film still weigh nearly 400 pounds, making them impractical for many scenes.

engadget.com · 2026-08-24