IMAX · 15/70 · 65 MM
THE
KEIGHLEY.
The camera behind the first film shot entirely on IMAX.
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01 — THE FORMAT
FIVE FEET OF FILM,
EVERY SECOND.
15-perforation 65 mm film — “IMAX 15/70,” the largest format in cinema. It moves more than five feet of film a second. That speed is exactly why it’s so loud.
02 — INSIDE THE MACHINE
TAKE IT APART.
Every major assembly of the Keighley, separated. Keep scrolling to pull it apart — hover a part to read it.
03 — THE NOISE PROBLEM
STILL TOO LOUD
FOR DIALOGUE.
Even quieter than before, it was still too loud for dialogue, so IMAX built a soundproof housing — the “blimp.” Fully rigged, the system weighs 300–400 lb and needs steel-plated dollies.
04 — THE EYELINE FIX
EYE CONTACT,
BY MIRROR.
The blimp was so wide it blocked the actors’ eyelines. On tight two-shots, Nolan and cinematographer Hoyte van Hoytema mounted a double-mirror periscope so the actors could hold eye contact through reflections — with the huge camera between them.
05 — THE MAKING-OF
Nolan challenged IMAX to build a camera that could shoot an entire feature — dialogue and all. They delivered.
“If ever there were a story where you want to do the whole thing on IMAX, this is it.”— Christopher Nolan
06 — YOUR SHOT
NOW OPERATE IT.
The Keighley is set up on a night exterior — Odysseus’ galley on a moonlit sea. Drag to frame, pull focus, and roll.
THE
KEIGHLEY.
Named for David Keighley — five decades at IMAX, post-production on over 500 films.