How IMAX 70MM Film is Projected!

A video on YouTube. In Maker & Builds, a Krater category.

Summary by Krater

Adam Savage visits IMAX headquarters in Los Angeles to explore their vault of 70mm film prints and examine the massive scale of IMAX film handling, splicing, and projection systems.

From the video

Answers: How does IMAX handle and project massive 70mm film prints?

IMAX 70mm film print handling
Film print splicing and make-up tables
IMAX projection booth architecture
Dual film and digital projection systems

What it concludes

IMAX 70mm film runs horizontally through the projector with 15 perforations per frame, making the image nearly 10 times larger than standard 35mm.
The sheer volume of plastic and aluminum required for IMAX film prints necessitates heavy-duty platter systems and specialized accommodation.
IMAX operates dual projector systems with auto-calibration to achieve maximum brightness and stereo projection on massive screens.

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