In the evolving world of cinematography, speed, image quality, and workflow efficiency are key. ARRI’s ALEXA 35 Xtreme pushes the envelope by combining the trusted image fidelity of the ALEXA series with new high-speed capabilities. Whether you’re shooting narrative, action, slow motion, or visual effects work, the ALEXA 35 Xtreme offers a unique all-in-one solution. Let’s dive into what makes this camera exceptional.
What Is the ALEXA 35 Xtreme?
The ALEXA 35 Xtreme is an enhanced version of ARRI’s ALEXA 35, featuring a redesigned internal processing unit that enables significantly higher frame rates, an efficient new codec (ARRICORE), and performance optimizations — all while preserving the core strengths and compatibility of the original ALEXA 35. (arri.com)
Importantly, ARRI offers an upgrade path: existing ALEXA 35 units can be converted to Xtreme status via a service upgrade, retaining any licenses already purchased. (arri.com)
Key Features & Advantages
1. Ultra High Frame Rates
Standard mode supports up to 330 fps while preserving the full 17 stops of dynamic range. (arri.com)
In Sensor Overdrive mode, the camera can reach up to 660 fps, though with reduced dynamic range (about 11 stops in highlights) and higher base sensitivity (EI 1600). (arri.com)
This high-speed capability means one camera can cover both standard and slow-motion shots, reducing the need to carry a separate high-speed camera. (arri.com)
2. ARRICORE Codec — “More Speed, Less Data”
ARRICORE is a next-gen RGB codec designed to reduce data rates while retaining image quality and post flexibility. It supports the same workflows (metadata, ARRI Textures, ALF look files) as earlier ALEXA codecs. (arri.com)
3. Hardware Upgrades & Efficiency
The new main processing board and increased on-chip memory enable faster data handling and longer pre-record buffers (up to 5 minutes) for some formats. (arri.com)
Improved cooling, more efficient power use (about 10% reduction in power draw) extends battery life and stability. (arri.com)
WiFi improvements: support for 5 GHz band, roaming, auto-reconnect, and upgraded antennas. (arri.com)
4. Retains Core ALEXA Strengths
17 stops of dynamic range allow rich highlight roll-off and deep shadow detail — ideal for HDR workflows. (arri.com)
Excellent skin tones and natural color reproduction powered by ARRI’s REVEAL Color Science. (arri.com)
In-camera ARRI Textures let cinematographers apply refined looks on set. (arri.com)
Accessories, mounts, media, and existing licenses remain compatible with the Xtreme version. (arri.com)
5. Flexible Licensing & Upgrade Model
ARRI sells the Xtreme in Base and Premium models. The Base provides core functions (ARRICORE, ProRes, basic frame rates), while the Premium version unlocks all features (High Speed, ARRIRAW, Open Gate, Look, Pre-record). (arri.com)
You can also purchase individual licenses (High Speed, Look, Pre-record, etc.) to upgrade the Base unit on a weekly, monthly, yearly, or permanent basis. (arri.com)
Technical Specifications (Highlights)
| Spec | Value / Range |
|---|---|
| Sensor | Super 35 ARRI ALEV 4 CMOS (4608 × 3164) (arri.com) |
| Frame Rates | 0.75 – 660 fps (depending on mode & license) (arri.com) |
| Dynamic Range | 17 stops (standard mode) (arri.com) |
| Exposure Index (EI) | 160 – 6400 (arri.com) |
| Built-in ND Filters | 4 positions (Clear, 0.6, 1.2, 1.8) (arri.com) |
| Outputs | 2 × 12G SDI, Ethernet (for streaming & metadata), regulated 12V / 24V power (arri.com) |
| Recording Media | Codex Compact Drive (1TB / 2TB), Compact Drive Express (1TB) (arri.com) |
| Weight | ~3.0 kg (camera body with antennas and LPL mount) (arri.com) |
This is a selective summary — the full ARRI tech sheet covers numerous recording modes, pixel dimensions, lens support, etc. (arri.com)
Use Cases & Cinematographer Testimonials
Many cinematographers have praised the ALEXA 35 Xtreme. Here are a few insights:
According to Elias Maria BVK, shooting at 240 fps with the full 17 stops allows him to “create depth through motion,” layering different speeds as an emotional tool. (arri.com)
Ayana Baraka describes the Xtreme as “the most complete camera system ARRI has delivered,” citing clarity, dimensionality, and workflow efficiency. (arri.com)
Stijn Van der Veken notes that high frame rates now come without sacrificing the dynamic range that made ALEXA 35 a market favorite. (arri.com)
These voices illustrate how Xtreme enables creative flexibility rather than limiting choices.
Pros & Considerations
Pros
Single camera covers both normal and high-speed shooting
Preserves ALEXA’s wide dynamic range and color fidelity
Compatible with existing accessories, mounts, media, and licenses
Flexible license model allows tailored feature upgrades
More efficient power use and improved WiFi connectivity
Considerations
In Sensor Overdrive mode (for ultra-high fps), dynamic range is reduced — better reserved for controlled lighting environments
Feature licensing adds cost over time
The upgraded internal hardware makes this more sophisticated; users will need to be familiar with advanced workflows
Tips for Filmmakers & Shoots
Plan your slow-motion sequences ahead: use standard mode (330 fps) where possible, and switch to Overdrive only when absolutely necessary.
Test exposure curves in Overdrive mode to avoid unexpected clipping in highlights.
Maintain good thermal management on set, especially when pushing high frame rates over extended periods.
Use ARRI Textures and in-camera looks to preview creative intent on location.
Leverage the 5-minute pre-record buffer (where available) to capture unpredictable action.
Conclusion
The ARRI ALEXA 35 Xtreme is a powerful evolution of the ALEXA family: retaining the image fidelity, dynamic range, and trusted operation while introducing high-speed capabilities that formerly required a separate camera. For filmmakers who demand flexibility, efficiency, and cinematic image quality, the Xtreme is a formidable all-in-one solution.
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