ALEXA Mini LF

Technical Data

Model

ALEXA Mini LF

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)

4.5K LF 3:2 Open Gate: 4448 x 3096 4.5K LF 2.39:1: 4448 x 1856 4.3K LF 16:9: 4320 x 2430 3.8K LF 16:9: 3840 x 2160 2.8K LF 1:1: 2880 x 2880 3.4K S35 3:2: 3424 x 2202 3.2K S35 16:9: 3200 x 1800 2.8K S35 4:3: 2880 x 2160 2.8K S35 16:9: 2880 x 1620

Sensor Active Image Area (dimensions)

4.5K LF 3:2 Open Gate: 36.70 x 25.54 mm / 1.445 x 1.006“ 4.5K LF 2.39:1: 36.70 x 15.31 mm / 1.445 x 0.603“ 4.3K LF 16:9: 35.64 x 20.05 mm / 1.403 x 0.789“ 3.8K LF 16:9: 31.68 x 17.82 mm / 1.247 x 0.702“ 2.8K LF 1:1: 23.76 x 23.76 mm / 0.935 x 0.935“ 3.4K S35 3:2: 28.25 x 18.16 mm / 1.112 x 0.714“ 3.2K S35 16:9: 26.40 x 14.85 mm / 1.039 x 0.585“ 2.8K S35 4:3: 23.76 x 17.81 mm / 0.935 x 0.701“ 2.8K S35 16:9: 23.76 x 13.36 mm / 0.935 x 0.526“

Recording File Container Size (pixel)

4.5K LF 3:2 Open Gate ARRIRAW: 4448 x 3096 4.5K LF 3:2 Open Gate Apple ProRes: 4480 x 3096 4.5K LF 2.39:1 ARRIRAW: 4448 x 1856 4.5K LF 2.39:1 Apple ProRes: 4480 x 1856 4.3K LF 16:9: 3840 x 2160, 1920 x 1080 3.8K LF 16:9: 3840 x 2160, 2048 x 1152, 1920 x 1080 2.8K LF 1:1 ARRIRAW: 2880 x 2880 2.8K LF 1:1 Apple ProRes: 3072 x 3024 3.4K S35 3:2: 3424 x 2202 3.2K S35 16:9: 3200 x 1800 2.8K S35 4:3: 2880 x 2160 2.8K S35 16:9: 1920 x 1080

Recording File Image Content (pixel)

4.5K LF 3:2 Open Gate: 4448 x 3096 4.5K LF 2.39:1: 4448 x 1856 4.3K LF 16:9: 3840 x 2160, 1920 x 1080 3.8K LF 16:9: 3840 x 2160, 2048 x 1152, 1920 x 1080 2.8K LF 1:1: 2880 x 2880 3.4K S35 3:2: 3424 x 2202 3.2K S35 16:9: 3200 x 1800 2.8K S35 4:3: 2880 x 2160 2.8K S35 16:9: 1920 x 1080

Dynamic Range

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

4.5K LF 3:2 Open Gate: 0.75 - 40 fps 4.5K LF 2.39:1: 0.75 - 60 fps 4.3K LF 16:9: 0.75 - 48 fps 3.8K LF 16:9: 0.75 - 60 fps 2.8K LF 1:1: 0.75 - 60 fps 3.4K S35 3:2: 0.75 - 60 fps 3.2K S35 16:9: 0.75 - 75 fps 2.8K S35 4:3: 0.75 - 75 fps 2.8K S35 16:9: 0.75 - 100 fps

Recording Modes

Standard real-time recording No Pre-recording No Intervalometer

Viewfinder Type

Multi Viewfinder MVF-2 with 4" flip-out touchscreen monitor

Viewfinder Technology

OLED viewfinder display LCD flip-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

Four position built-in motorized ND filter: Clear, 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) Two built-in microphones for scratch audio

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 as wired remote control with 10m/33ft cable Camera Control Monitor CCM-1{lineBreak} Camera Companion App ARRI Electronic Control System (ECS) Web-based remote control via Ethernet & WiFi (beta version) Camera Access Protocol (CAP) via Ethernet & WiFi GPIO interface for integration with custom control interfaces

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 (availbale 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

-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

Software Licenses

-