IMAX vs. IMAX 70mm: Decoding the Cinema Formats

By Steve Dent | July 24, 2026

You have likely heard the relentless marketing surrounding Christopher Nolan's latest epic, The Odyssey, claiming it is the first feature-length film captured entirely in the breathtaking IMAX 70mm format. Because of this hype, many cinephiles are hunting for a theater that can project it this way.

However, confusion arises because The Odyssey is being screened in both IMAX 70mm (film) and IMAX Digital. To understand why this matters, we first need to look at how movies are recorded.

The Spectrum of Film Capture

While most modern movies are shot digitally for cost-efficiency and ease of use, some directors still prefer the organic look of film.

• 35mm: The industry standard for decades.
• 70mm (Super Panavision 70): Used for high-budget spectacles like Nope, Tenet, No Time to Die, and Oppenheimer.
• IMAX 70mm: The absolute pinnacle of cinema, utilized in The Odyssey, Sinners, and Dune: Part 3.

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🏆 IMAX 70mm: The Gold Standard

Watching a movie shot on IMAX 70mm and projected from a physical 70mm print is the ultimate theatrical experience.

"The immersive power of IMAX 70mm is unmatched, filling the viewer's entire field of vision with unparalleled clarity."

Technical Specifications

The format is often called IMAX 15/70 because it utilizes 15 sprocket holes per frame.

• Aspect Ratio: 1.43:1 (nearly square).
• Frame Dimensions: $\text{Width} = 69.8\text{mm}, \text{Height} = 48.5\text{mm}$.
• Screen Size: Massive displays measuring roughly $59 \times 79\text{ feet}$.
• Resolution: An equivalent of up to $18\text{K}$.
• Luminance: Powered by single or dual $15\text{kW}$ water-cooled xenon bulbs, which are $\approx 7.5\times$ brighter than standard cinema lamps.

The Cost of Perfection

This level of quality comes with extreme scarcity and expense. There are only about 24 of these theaters in the US, 9 in Canada, and 6 globally.

For The Odyssey, the production budget hit \250\text{ million}$, requiring a bespoke camera system to handle dialogue and minimize noise. Furthermore, each individual projection print is rumored to cost around **$$80,000$**.

The "Tier List" of IMAX 70mm Projection

Not all "IMAX 70mm" screenings are created equal. Here is the hierarchy of quality:

Examples of "High" tier include Oppenheimer and Dune: Part 3. "Mid" tier examples include Barbie and Project Hail Mary (shot on Arri Alexa 65).

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⚡ IMAX With Laser: The Digital Alternative

If you can't find a film-based theater, IMAX with Laser (Digital IMAX) is the next best thing. While it lacks the raw resolution of film, it has its own advantages.

Digital vs. Film Comparison

Key Digital Details:

• Resolution: Capped at 4K.
• Aspect Ratio: Most are 1.90:1. Only about 12 theaters in North America support the taller 1.43:1 ratio.
• Projector Systems:
  • GT Laser (Dual Projectors): The gold standard for digital; incredible clarity.
  • CoLa & XT (Single Projector): Lower brightness and sharpness, but still better than standard 2K digital.

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🎞️ Standard 70mm (Super Panavision 5/70)

Standard 70mm is a fantastic middle ground. While the frame is twice as wide as 35mm, it is much shorter.

• Frame Height: $22.09\text{mm}$.
• Aspect Ratio: 2.2:1.
• Resolution: Roughly $\frac{1}{3}$ of IMAX 70mm.

Because these prints are often struck optically from the original negatives, the image quality is superb—second only to IMAX 70mm. However, the image is significantly cropped, meaning you lose the vertical immersion.

Summary Checklist: Which theater should you choose?

• Do I want the absolute best resolution and scale? $\rightarrow$ Seek IMAX 70mm Film (1.43:1).
• Do I want the best contrast and brightness? $\rightarrow$ Seek IMAX GT Laser.
• Is a film print available but not IMAX? $\rightarrow$ Go with Standard 70mm.
• Is only a standard digital screen available? $\rightarrow$ Accept the 2K/4K experience.

Final Technical Note

For those interested in the raw data of the projection systems, the logic follows this basic flow:

def get_experience_quality(format, aspect_ratio):
    if format == "IMAX_70mm_Film" and aspect_ratio == 1.43:
        return "God Tier"
    elif format == "IMAX_Laser" and aspect_ratio == 1.43:
        return "High Tier"
    elif format == "Standard_70mm":
        return "Mid-High Tier"
    else:
        return "Standard Tier"

Whether you are watching The Odyssey or another blockbuster, knowing these differences ensures you get the most out of your ticket price.