IMAX combines cinema projection, sound and presentation standards, but not every IMAX auditorium uses the same equipment. Check the film, screen and advertised projection format before paying extra for a ticket.
What makes an IMAX showing different?
The intended experience combines a large image, an auditorium designed around it and a dedicated sound presentation. The result depends on the actual venue and the film’s version. An IMAX label alone does not tell you the screen dimensions, whether the showing uses film or digital projection, or how much extra picture you will see.
Common terms on a cinema listing
| Label | What to understand |
|---|---|
| IMAX digital | Digital presentation; check the particular venue’s system. |
| IMAX with Laser | Laser-based digital projection. Screen shape and supported presentation still vary. |
| IMAX 70mm / 15-perf 70mm | Large-format film projection at equipped venues for the relevant print. |
| Filmed for IMAX | A production programme involving IMAX film or certified digital cameras and presentation planning. |
| IMAX 3D | A stereoscopic showing; IMAX is not always 3D. |
Why 1.90:1 and 1.43:1 matter
These figures describe the image’s width compared with its height. A 1.43:1 image is taller relative to its width than a 1.90:1 image. Certain films include expanded scenes prepared for these shapes; other scenes or films keep a wider cinematic ratio.
IMAX’s Filmed for IMAX explanation describes production with these presentations in mind. You do not automatically get the tallest version in every venue. The film, supplied version and auditorium equipment all need to support it.
For example, IMAX’s Oppenheimer 70mm notes identify selected 15-perf/70mm screenings with expanded 1.43:1 scenes. That is a film-specific example, not a promise about every current programme.
Can a film be IMAX without an IMAX film camera?
Yes. Certified digital cameras and post-production work are also part of the IMAX ecosystem. Remastering a release does not mean the original production was shot entirely on large-format film. Digital laser projectors do not run physical film rolls; those are different projection systems.
Is the extra ticket price worth it?
- Check the exact showing: film or digital, 2D or 3D, and the advertised expanded ratio.
- Read the venue’s screen and seating information rather than relying on a generic “largest” claim.
- Compare the extra cost with the film and seat you want.
- If the screen is very large, choose a position where you can comfortably see the image.
Aspect ratio is different from resolution and file size. Our video resolution and storage guide explains those separate measurements for home video. A home “IMAX Enhanced” label likewise does not recreate the physical size of a cinema.
Frequently asked questions
Are all IMAX cinemas the same?
No. Projection, screen size, screen shape and seating differ.
Does IMAX always mean 70mm film?
No. Many showings use digital projection, including laser systems.
Does every IMAX with Laser screen show 1.43:1?
No. Check the specific venue and film presentation.
Is every IMAX screening in 3D?
No. Read the individual showing’s 2D or 3D listing.