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ARRI ALEXA Mini LF

ARRI combines the compact size and low weight of the popular ALEXA Mini with the large-format ALEXA LF sensor, bringing exciting new creative possibilities to ARRI’s large-format camera system. See FEATURES tab for more LF details, including excellent image quality in large format, internal recording to new Codex Compact Drive, new MVF-2 high-contrast HD viewfinder, great system compatibility, and more.

Excellent image quality in large format

  • Immersive large-format look
  • Lower noise with higher usable sensitivity
  • Highest dynamic range of any production camera
  • ARRI color science for natural skin tones, easy color correction and clean VFX
  • Perfect for High Dynamic Range (HDR) and Wide Color Gamut (WCG) displays

Excellent overall production value

  • Robust and reliable
  • Easy to operate and use on set
  • Fast and efficient workflows

Internal recording to new Codex Compact Drive

  • Uncompressed and unencrypted MXF/ARRIRAW
  • Fast and efficient MXF/Apple ProRes
  • New Codex Compact Drive 1TB is small, tough and cost-efficient
  • Affordable Compact Drive Reader works without license or extra software
  • Compact Drive Adapter is compatible with SXR Capture Drive Docks

New MVF-2 high-contrast HD viewfinder

  • HD OLED display, color science and ARRICAM eyepiece like ALEXA LF EVF-2
  • Optimal judgement of focus, dynamic range and color
  • Stable color balance through temperature-controlled display
  • Large 4” flip-out monitor shows image or camera menu
  • Three operation modes: single operator, crew or remote
  • New flexible and reliable CoaXPress VF cable, up to 10 m/33 ft

Additional new features

  • Three internal, motorized large-format FSND filters: ND 0.6, 1.2 and 1.8
  • New dedicated, regulated 12 V and 24 V 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

Great system compatibility

  • 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 almost all ALEXA Mini accessories
  • Compatible with ARRI and cmotion wireless remote systems
  • Works with 12 V and 24 V on-board batteries (∼65 W power draw)

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

Sensor Maximum Number of Photosites and Size:
4448 x 3096
36.70 x 25.54 mm / 1.444 x 1.005″
⌀ 44.71 mm / 1.760″

Sensor Frame Rates:
0.75 – 90 fps

Weight:
∼2.6 kg / ∼5.7 lbs
(camera body with LPL lens mount)
800 g (MVF-2)

Photosite Pitch:
8.25 μm
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

Viewfinder Type:
Multi Viewfinder MVF-2 with 4″ flip-out monitor

Viewfinder Technology:
OLED viewfinder display
LCD fold out monitor

Viewfinder Resolution (pixel);
1920 x 1080

Viewfinder Diopter:
Adjustable from -5 to +5 diopters

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 on VF CoaXPress connector (video, audio, power, control signals)
SDI 1:
-HD only, Processed or Clean, with or without a look file applied
-1.5G 422 HD (SMPTE ST292-1, up to 30 fps, progessive (p) or progressive segmented frame (psf))
-3G 422 HD (SMPTE ST425-1, up to 60 fps, p)
-3G 444 HD (SMPTE ST425-3, up to 30 fps, p)
SDI 2:
-HD or UHD, Clean only, with or without a look file applied, or SDI 1 clone
-1.5G 422 HD (SMPTE ST292-1, up to 30 fps, p or psf)
-3G 422 HD (SMPTE ST425-1, up to 60 fps, p)
-3G 444 HD (SMPTE ST425-3, up to 30 fps, p)
-6G 422 UHD (SMPTE ST2081-10, up to 30 fps, p)
“Clean” is an image without surround view or overlays (status, false color, zebra, framelines, etc.)
“Processed” is an image with surround view or overlays.

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 can act as wired remote control with 10m/33ft cable
Web-based remote control from smart phones, tablets and laptops via WiFi & Ethernet (beta version)
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
EF Mount (LBUS)
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 (11-34 V DC)

Power Consumption:
Around 65 W when recording ARRIRAW at 24 fps 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)

Operating Temperature;</b
-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

  • Alexa Mini LF Camera Body
  • LPL Mount w/ Port Cap
  • PL to LPL Adapter w/Port&Back Cap
  • MVF-2 Multi Viewfinder
  • MVB-1 Viewfinder Bracket
  • Viewfinder Attachment Bracket
  • CCH-2 Camera Handle
  • MAP-2A Adapter Plate
  • (2) MAP-1 Adapter Plate
  • MSB-3 Side Bracket
  • MSB-2 Side Bracket
  • RAB-1 Rear Accessory Bracket
  • RAB-1 Clamp 2
  • RMB-3 Rod Mounting Bracket
  • (2) 19mm to 15mm Reduction Insert
  • CBP-2 15mm Sliding Baseplate
  • CBP Sliding Camera Plate
  • 15mm LWS Adapter for CBP
  • Gold Mount Splitting Box Mk II
  • 12” Dovetail Plate | A-Box
  • (2) 15mm Steel Rods
  • Timecode Cable
  • 1.5’ Viewfinder Cable
  • 1.15’ Viewfinder Cable
  • AC Power Supply w/ AC Cable
  • KC50 XLR-Lemo Power Cable
  • 24V XLR3 Extension Cable
  • USB Stick | 3mm Allen Driver
  • Codex Compact Drive Reader
  • USB 3.1 C to C Cable
ARRI ALEXA Mini LF