ARRI Alexa Mini LF

ARRI ALEXA Mini LF Large Format LPL Mount 4.5K Video Camera

Optimised for large-format lenses, the LPL lens mount fitted to ALEXA Mini LF cameras accepts LPL mounted lens and PL lenses via 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. The camera has a Large Format 4448x3096 chip that retains the ARRI look that we all know and love, but now with a much larger true 4.5k resolution chip with a shallower depth of field than the SP35 ARRI cameras of old. It can shoot up to 90fps in its Open gate 16:9 mode and up to 150fps in its 2:39:1 mode. 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.

ARRI Built Quality:

Almost a century of experience, an obsessive attention to detail and an intimate familiarity with the conditions on set have led to generations of ARRI cameras that are robust, reliable and simple to operate - all features that ARRI digital cameras have inherited.

ALEV Sensors:

ARRI's very own ALEV III sensor plays its strengths in a film-like look and feel with HDR capability (since 2010). Originally developed for ARRI ALEXA camera family, it had the same height and width as a 35mm film frame. Nowadays the ALEV III comes to live in different cameras and shapes: ALEXA 65 uses the A3X version - a 65mm sensor - whereas ALEXA LF and ALEXA Mini LF use A2X, the slightly smaller variant that covers a little bit more than "full frame".

Image Processing:

A steady look-out for image quality is key to delivering the best possible image through a given pipeline. In this way new developments and ways to shape the DoP's vision on set can be integrated into ARRI cameras via new software releases. ARIRAW footage recorded before such an update benefits as well as it can be re-processed through an updated pipeline.

Lens Mounts:

Great images derive from great lenses with their individual touch to the image. For this to happen the lens has to sit precisely where it should be, responsible for that is the lens mount. Get to know all ARRI lens mounts and find out what makes ARRI new LPL mount unique.

Viewfinders:

ARRI viewfinder are specifically designed to meet the needs of professional camera operators by offering an extremely fast image display, high image quality, accurate color reproduction and a number of features inherited from ARRI optical viewfinders, including surround view.

Workflow:

The concept behind the term "workflow" is the digital film lab. Hence being able to view, edit and "post" footage recorded with ARRI digital cameras. ARRI develop their own Software Development Kit (ARRIRAW SDK) for processing ARRIRAW data to RGB images and talk to 3rd party vendors to ensure support in their tools.



  • Audio Inputs: 6-pin Lemo (1)
  • CODEC: Apple ProRes 422 / 444, ARRIRAW
  • Frame Rates: High Speed up to 150p (2:39:1), High-Speed up to 90p (Open Gate, 16:9)
  • HDMI Output: No
  • Internal ND: .6, 1.2, 1.8
  • Native ISO: ISO 800
  • Recording Media: CODEX Compact Drives
  • Resolution: 3840 x 2160, 4448x1856 (4.5K 2.39:1), 4448x3096 (Open Gate)
  • SDI Output: Yes
  • Shutter: Rolling (Electronic)
  • Video Resolution: 4.5K
  • Audio Channels: 2 (LPCM 24 bit)
  • Bit Depth: 12 bit
  • Chroma: Raw Bayer
  • Colour Spaces: Raw
  • Lens Mount: LPL Mount
  • Sensor Size: 36.70mm x 25.54mm
  • Weight: 2.7KG
  • Immersive large-format look
  • Lower noise with higher usable sensitivity
  • Highest dynamic range of any production camera
  • ARRI colour science for natural skin tones, easy colour correction and clear VFX
  • Perfect for High Dynamic Range and Wide Colour Gamut displays
  • Robust and reliable
  • Easy to operate and use on set
  • Fast and efficient workflows
  • Uncompressed and unencrypted MXF/ARRIRAW
  • Fast and efficient MXF/Apple ProRes
  • New Codex Compact Drive 1TB is small, tough and cst-efficient
  • Affordable Compact Drive Reader works without license or extra software
  • Compact Drive Adapter is compatible with SXR Capture Drive Docks
  • Three internal, motorised large-format FSND filters, ND 0.36, 1.2 and 1.8
  • New dedicated, regulated 12V and 24V accessory power outputs
  • New SYNC IN and improved AUDIO connectors
  • Two built-in microphones
  • Six user buttons on camera's left side
  • One LOCK button each for camera and viewfinder
  • Additional external WiFi antenna
  • Easier access to media, VF and TC connectors
  • Same sensor and recording formats as ALEXA LF
  • Compatible with LPL and PL mount lenses, Super 35 and full frame
  • Supports all anamorphic de-squeeze ratios
  • Compatible with ARRI and cmotin wireless remote systems
  • Works with 12V and 24V on-board batteries (65W power draw)

Sensor Type

Large Format ARRI ALEV III (A2X) CMOS sensor with Bayer pattern color filter array

Sensor Size

36.70 x 25.54 mm / 1.444 x 1.005" ⌀ 44.71 mm / 1.760"

Photosite Pitch

8.25 μm

Sensor Frame Rates

0.75 - 90 fps

Sensor Active Image Area (photosites)

LF Open Gate ProRes 4.5K: 4448 x 3096 LF Open Gate ARRIRAW 4.5K: 4448 x 3096 LF 16:9 ProRes HD: 3840 x 2160 LF 16:9 ProRes 2K: 3840 x 2160 LF 16:9 ProRes UHD: 3840 x 2160 LF 16:9 ARRIRAW UHD: 3840 x 2160 LF 2.39:1 ProRes 4.5K: 4448 x 1856 LF 2.39:1 ARRIRAW 4.5K: 4448 x 1856

Sensor Active Image Area (dimensions)

LF Open Gate ProRes 4.5K: 36.70 x 25.54 mm / 1.445 x 1.006" LF Open Gate ARRIRAW 4.5K: 36.70 x 25.54 mm / 1.445 x 1.006" LF 16:9 ProRes HD: 31.68 x 17.82 mm / 1.247 x 0.702" LF 16:9 ProRes 2K: 31.68 x 17.82 mm / 1.247 x 0.702" LF 16:9 ProRes UHD: 31.68 x 17.82 mm / 1.247 x 0.702" LF 16:9 ARRIRAW UHD: 31.68 x 17.82 mm / 1.247 x 0.702" LF 2.39:1 ProRes 4.5K: 36.70 x 15.31 mm / 1.445 x 0.603" LF 2.39:1 ARRIRAW 4.5K: 36.70 x 15.31 mm / 1.445 x 0.603"

Recording File Container Size (pixel)

LF Open Gate ProRes 4.5K: 4480 x 3096 LF Open Gate ARRIRAW 4.5K: 4448 x 3096 LF 16:9 ProRes HD: 1920 x 1080 LF 16:9 ProRes 2K: 2048 x 1152 LF 16:9 ProRes UHD: 3840 x 2160 LF 16:9 ARRIRAW UHD: 3840 x 2160 LF 2.39:1 ProRes 4.5K: 4480 x 1856 LF 2.39:1 ARRIRAW 4.5K: 4448 x 1856

Recording File Image Content(pixel)

LF Open Gate ProRes 4.5K: 4448 x 3096 LF Open Gate ARRIRAW 4.5K: 4448 x 3096 LF 16:9 ProRes HD: 1920 x 1080 LF 16:9 ProRes 2K: 2048 x 1152 LF 16:9 ProRes UHD: 3840 x 2160 LF 16:9 ARRIRAW UHD: 3840 x 2160 LF 2.39:1 ProRes 4.5K: 4448 x 1856 LF 2.39:1 ARRIRAW 4.5K: 4448 x 1856

Exposure Latitude

14+ stops over the entire sensitivity range from EI 160 to EI 3200 as measured with the ARRI Dynamic Range Test Chart (DRTC-1)

Exposure Index

Adjustable from EI 160-3200 in 1/3 stops EI 800 base sensitivity

Shutter

Electronic shutter, 5.0°- 356° or 1s - 1/8000s

Recording Formats

MXF/ARRIRAW MXF/Apple ProRes 4444 XQ MXF/Apple ProRes 4444 MXF/Apple ProRes 422 (HQ)

Recording Media

Codex Compact Drives

Recording Frame Rates

LF Open Gate ProRes 4.5K: 0.75 - 40 fps LF Open Gate ARRIRAW 4.5K: 0.75 - 40 fps LF 16:9 ProRes HD: 0.75 - 90 fps LF 16:9 ProRes 2K: 0.75 - 90 fps LF 16:9 ProRes UHD: 0.75 - 60 fps LF 16:9 ARRIRAW UHD: 0.75 - 60 fps LF 2.39:1 ProRes 4.5K: 0.75 - 60 fps LF 2.39:1 ARRIRAW 4.5K: 0.75 - 60 fps Note: maximum fps values are preliminary information

Recording Modes

Standard real-time recording No Pre-recording No Intervalometer

Color Output

Rec 709 Rec 2020 Log C Custom Look (ARRI Look File ALF-2)

Look Control

Import of custom 3D LUT ASC CDL parameters (slope, offset, power, saturation)

White Balance

Manual and auto white balance, adjustable from 2000K to 11000K in 10K steps Color correction adjustable range from -16 to +16 CC 1 CC corresponds to 035 Kodak CC values or 1/8 Rosco values

Filters

Built-in motorized ND filters 0.6, 1.2, 1.8 Fixed optical low pass, UV, IR filter

Image Outputs

1x proprietary signal output for MVF-2 viewfinder 2x SDI Out: 1,5G (SMPTE ST292-1), 3G (SMPTE ST425-1, ST425-3), 6G (SMPTE ST2081-10) uncompressed video with embedded audio and metadata

Lens Squeeze Factors

1.00 1.25 1.30 1.50 1.65 1.80 2.00

Exposure and Focus Tools

False Color Zebra Zoom Aperture and Color Peaking

Audio Input

1x LEMO 6pin balanced stereo line in with 12V power output (Line input max. level +24dBu correlating to 0dBFS)

Audio Output

SDI (embedded) 3,5mm stereo headphone jack (on MVF-2)

Audio Recording

2 channel linear PCM, 24 bit 48 kHz

Remote Control Options

MVF-2 viewfinder (sold separately) can act as wired remote control with 10m/33ft cable Web-based remote control from smart phones, tablets and laptops via WiFi & Ethernet Camera Access Protocol (CAP) via Ethernet & WiFi GPIO interface for integration with custom control interfaces WCU-4 hand-unit with control over lens motors and operational parameters via built-in white radio SXU-1 hand-unit with control over one lens channel OCU-1 and Master Grip control of lens and user buttons

Interfaces

1x LEMO 5pin LTC Timecode In/Out 1x LEMO 10pin Ethernet for remote control and service 1x BNC SYNC IN 1x LEMO 7pin EXT multi purpose accessory interface w. RS pin and 24V power output 1x LEMO 4pin LBUS (on lens mount) for lens motors, daisy chainable 1x USB 2.0 in media bay (for user setups, look files etc)

Wireless Interfaces

Built-in WiFi module (IEEE 802.11b/g) Built-in White Radio for ARRI lens and camera remote control

Lens Mounts

LPL lens mount with LBUS connector PL-to-LPL adapter Leitz M mount(available from Leitz)

Flange Focal Depth

LPL mount: 44 mm with PL-to-LPL adapter: 52 mm

Power Input

1x LEMO 8pin (10.5-34 V DC)

Power Consumption

Around 65 W when recording ProRes 4444 with MVF-2 attached (preliminary information)

Power Outputs

1x Fischer 3pin 24V RS 1x LEMO 2pin 12V 1x LEMO 7pin EXT 24V power output

Measurements (HxWxL)

140 x 143 x 188 mm / 5.5 x 5.6 x 7.4" (camera body with LPL lens mount)

Weight

~ 2.7 kg / ~ 6.0 lbs (camera body with LPL lens mount)

Operating Temperature

-20° C to +45° C / -4° F to +113° F @ 95% relative humidity max, non condensing, splash and dust proof through sealed electronics

Storage Temperature

-30° C to +70° C / -22° F to +158° F

Sound Level

< 20 dB(A) at 24fps