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ARRI ALEXA 35 Introduced – 17 Stops of Usable Dynamic Vary Claimed

ARRI has simply unveiled its newest cinema digital camera: The ALEXA 35. This digital camera could be very particular for ARRI, as it’s the first to function a totally new sensor: the 4.6K ALEV 4. This can be a large step ahead, as its predecessor, the extremely acclaimed ALEV 3, was used for a whopping 12 years straight.

So that is it. The brand new gold-standard for Hollywood-grade function movies is right here. That is in fact a daring assertion, however since ARRI ALEXA is the go-to make and mannequin for a lot of cinematographers, the brand new ALEXA 35 with its new ALEV 4 sensor is likely to be simply that. Particularly since ARRI claims an enormous dynamic vary of 17 stops!

A brand new digital camera with a brand new sensor could not seem to be a lot; different producers do it on a regular basis. However since ARRI has a status for doing issues completely moderately than shortly, that is large information certainly. Based on ARRI, the corporate is launching nothing however ‘the subsequent period of digital cinematography with the brand new ALEXA 35 digital camera’.


From the surface, the brand new digital camera appears a bit like an ALEXA Mini at first look, however in actuality, the ALEXA 35 has been designed from the bottom up. The brand new ALEXA 35 is constructed on the legacy of the unique ALEXA sensor and its picture processing.

picture credit score: ARRI

The ALEXA 35 is a real s35 digital camera, and by the way in which, in keeping with ARRI, no successor to the ALEXA Mini LF is deliberate for no less than 2-3 years. The fundamental specs of the brand new ALEV 4 sensor are as follows: Open Gate 3:2 – 4608 x 3164 pixels and 27.99 x 19.22 mm in dimension.

picture credit score: ARRI

It sports activities inside ND filters (Clear, ND 0.6, 1.2, and 1.8) and it additionally options two totally impartial SDI ports together with 12V energy out, TC connectors and different I/O ports, so nothing Mini right here.

You’ll be able to select between 5 interchangeable lens mounts:

  • LPL (LBUS)
  • PL-to-LPL adapter
  • EF Mount (LBUS)
  • PL Mount (LBUS)
  • PL Mount (Hirose)

The digital camera additionally has two inside microphones for recording scratch audio and an enter for 4 line-level audio channels.

Plenty of connectivity. Picture credit score: ARRI

By way of recording modes, you gained’t miss something right here: spherical and anamorphic modes are there in fact, MXF/ARRIRAW or MXF/Apple ProRes can be utilized as recording codecs and the sensor helps all s35 and LF lenses. Open Gate will be cropped with customized framelines to three.8K 6:5 for 4K recording with 2x anamorphic lenses.

ALEXA 35 is the smallest fully-featured ARRI manufacturing digital camera up to now, packing the options and processing energy of a “bigger” ALEXA right into a Mini-sized physique. Based on ARRI, it’s twice as environment friendly in cooling as the unique ALEXA Mini. It makes use of a vertical ‘chimney’ design with a single, giant and quiet fan.

Dynamic vary

Based on the corporate, this new 4.6K 3:2 Tremendous 35 sensor is able to capturing an astonishing 17 stops of dynamic vary. Which means 2.5 stops greater than its predecessor and much more than some other digital digital camera in the marketplace.

Screengrab from the walkthrough video. Picture credit score: ARRI

The brand new sensor features 1.5 stops of spotlight particulars and a full cease within the shadows. Particularly, elevated dynamic vary within the spotlight space is achieved due to a natural-looking spotlight roll off, ARRI claims.

With low noise and sensitivity settings starting from EI 160 to EI 6400, ALEXA 35 is a “Excessive ISO” digital camera. An optionally available Enhanced Sensitivity Mode will be utilized to settings between EI 2560 and EI 6400, producing an excellent cleaner picture in low gentle.

REVEAL Shade Science

With a purpose to make one of the best out of what this groundbreaking sensor can seize, ARRI engineers needed to develop a complete new picture processing pipeline from the bottom up. So please welcome the brand new REVEAL Shade Science. It consists of the next steps:

  • ADA-7 (ARRI Debayer algorithm) – This new demosaicing algorithm takes sensor RAW information and converts it into RGB picture information. It ought to produce cleaner photographs and crisper edges.
  • ACE4 (ARRI Shade Engine) – Throughout this step, de-bayered RGB photographs information will get transformed into the newly-developed ARRI Vast Gamut (AWG4) colour house. This course of ought to end in extra correct colours than earlier than, with a natural-looking replica of pores and skin tones. Furthermore, it ought to protect extraordinarily saturated colours, corresponding to these attributable to robust neon gentle sources.
  • AWG4 (ARRI Vast Gamut) – ARRI has developed a brand new ACES-compatible digital camera colour house. It’s even bigger than Rec.2020 and serves exact colour house conversions.
  • LogC4 – This new gamma curve is engineered from scratch to deal with the elevated dynamic vary that the sensor can seize.
  • LUT – The ultimate step of REVEAL is the appliance of a conversion LUT from the LogC4/AWG4 colour house to the most typical show gamuts and gamma curves for correct monitoring.

These new picture processing instruments are used in-camera to course of RAW information into ProRes information or for sending a video feed to the viewfinder and SDI outputs. Nonetheless, they’re additionally obtainable in-post to correctly course of ARRIRAW information.

ARRI ALEXA 35 within the subject. Picture credit score: ARRI

Lastly, though the brand new REVEAL Shade Science has been developed particularly for the ALEXA 35, excellent news is that it’s backward-compatible with footage shot in ARRIRAW on the ALEXA LF and Mini LF.

ARRI Textures

A brand new function of the ALEXA 35 in tandem with the brand new ALEV 4 is named Textures. ARRI thinks of this as a “movie lab” inside the digital camera. They management the quantity of grain and fine-control the quantity of chroma in grain at totally different brightness ranges. In addition they management the quantity of distinction, perceived as sharpness.

the brand new ARRI Textures menu. Picture credit score: ARRI

As the entire picture pipeline has been reworked, cinematographers can use refined “baked-in”, effectively, Textures to provide the picture a sure really feel. Consider it as totally different movie shares which react in another way to gentle. These Textures can’t be altered in submit since they’re being utilized in-camera even earlier than ARRIRAW steps within the processing pipeline.

picture credit score: ARRI

They are often chosen in-camera, identical to Look information, and a number of other of them are already pre-installed. Utilized Textures are seen within the viewfinder in addition to on SDI outputs.

As for naming conventions, Textures work like this:
P425Cosmetic – P: sort of grain, 4: quantity of grain, 2: Distinction at positive picture buildings, 5: distinction at coarse picture buildings, Beauty: description.

picture credit score: ARRI


The brand new ALEXA 35 helps 1TB and 2TB Codex Compact Drives and naturally the MVF-2 viewfinder, now with HDR. All ALEXA 35 cameras produced endure a strict Superior Shade Match course of, which means they combine’n’match seamlessly on multi-camera shoots.

Together with the digital camera, ARRI launches a whole new set of mechanical assist gadgets which offer versatile choices for any taking pictures scenario, scaling shortly and simply from a small and light-weight setup to a full-blown manufacturing configuration. The listing consists of:

  • Compact Bridge Plate CBP-5/6
  • Heart Digicam Deal with CCH-5
  • Viewfinder Mounting Bracket VMB-5

On the digital aspect of issues, the ALEXA 35 is supported by ARRI’s suite of on-line instruments, in addition to standalone apps just like the iPhone/iPad Digicam Companion App, ARRI Reference Device, and ARRIRAW HDE Transcoder. The companion app provides distant management and configuration, multi-camera assist, sports activities a customizable consumer interface, and it helps the ARRI ALEXA 35, Mini LF, Mini, and AMIRA. It’s obtainable for iOS/iPadOS, M1 Mac, and Apple Look ahead to now.

B-Mount batteries will be mounted on to the again of the ALEXA 35 through a B-Mount Adapter plate, however it’s also possible to mount a number of optionally available modules between digital camera and battery:

  • Energy Distribution Module PDM-1 (4x regulated 24V energy out, 2x regulated 12V energy out, 1x 12V D-Faucet energy beneath, internally powered and cable-free)
  • Audio Extension Module AEM-1


Nicely, everyone knows that this digital camera won’t be low-cost. Based on ARRI, the brand new ALEXA 35 will price about the identical because the ALEXA Mini LF, which is about $65,000. Nonetheless, you additionally must issue within the viewfinder and different equipment. And some new B-Mount batteries gained’t damage both, I assume.

Hyperlink: ARRI

So, just one query stays: will you get one? Share your ideas within the feedback beneath!

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