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The New ARRI ALEXA Mini LF — Large Format, Little Camera

Mike Maher

ARRI has just announced the ARRI ALEXA Mini LF, combining the company’s new large-format sensor with the popular compact body.

Well, the rumors were off. Looks like the ARRI ALEXA Mini LF is now a 2019 camera instead of 2020. ARRI just announced the Mini LF, a new ALEXA Mini using the company’s latest large-format sensor.

The new camera comes just a year after the release of the ARRI ALEXA LF, and it’s incredibly impressive that the company was able to build a comparable mini version so close to its release.

The New ARRI ALEXA Mini LF — Large Format, Little Camera — ARRI Alexa


It was originally believed that the Mini LF was years off, as there were technical challenges in putting a large-format sensor in a smaller body while also maintaining a look that matched the full-size ALEXA LF. The prototype Mini LF is already being tested, and we don’t have a set release date for the final camera body yet.

The New ARRI ALEXA Mini LF — Large Format, Little Camera — Alexa LF


  • Same sensor and recording formats as the ALEXA LF
    • ALEV 3 A2X CMOS sensor
    • 36.70 x 25.54 mm
    • 4448 x 3096
    • Same photosite size and type as Super 35 ARRI digital cameras
    • 0.75 – 90 fps
  • LPL and PL mount lenses, Super 35 and full frame
    • Supports all anamorphic de-squeeze ratios
  • Dedicated regulated 12V and 24V accessory power outlets
  • Two built-in microphones
  • 3 internal large-format FSND filters
    • ND 0.6, 1.2, and 1.8


The New ARRI ALEXA Mini LF — Large Format, Little Camera — Data Drive

  • New Internal Recording
    • New Codex Compact Drive (SSD)
    • 1TB drive
    • Write rate of 8 Gb/s
    • Uncompressed and unencrypted MXF/ARRIRAW
    • Fast MXF/Apple ProRes
    • ARRIRAW and ProRes can be recorded on the the same media without reformatting
  • Color Output
    • Rec 709
    • Rec 2020
    • Log C
    • Custom Look (ARRI Look File ALF-2)
  • Prototypes weigh 5.7 lbs (2.6 Kg) for the body
  • Compatible with nearly all Alexa Mini devices

ARRI also announced the new MCF-2 high-contrast HD viewfinder, which has an HD OLED display and ARRICAM eyepiece. The 4″ flip-out monitor shows image or camera menu, and it includes three operation modes: single operator, crew, or remote.

The New ARRI ALEXA Mini LF — Large Format, Little Camera — Specs

As for glass, you can obviously use ARRI Signature Primes, but the company went on to say the following:

Optimized for large-format lenses, the LPL lens mount fitted to ALEXA LF and ALEXA Mini LF cameras accepts ARRI Signature Primes, ARRI Rental DNA LF and 65 format optics, and third-party LPL lenses. The PL-to-LPL adapter, which attaches securely to the LPL lens mount without tools, offers backwards compatibility with all PL mount lenses, be they Super 35 or full frame. LDS-2 or /i lens metadata is accessible via the LPL mount, and LDS-1 or /i via the PL-to-LPL adapter. ARRI’s Frame Line and Lens Illumination Tool, available in the Learn & Help/Tools section of the ARRI website, illustrates how much of the large-format sensor is covered by a given lens.

Other manufacturers, such as Panavision and Vantage, offer proprietary lens mounts for the ALEXA LF and ALEXA Mini LF cameras, to support their own lens ranges. Cinematographers therefore have an almost unlimited lens choice when shooting with ARRI large-format cameras.

If you’re headed to NAB 2019, be sure to head over to the ARRI booth and see if you can catch a glimpse of the new ALEXA Mini LF — as well as a look at all of their ALEXA and AMIRA cameras.

Top image via Michael Trammer/ARRI.

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