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Vendor ARRI

Code KK.0019185

Stock Manufacturer stock

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ARRI's new large-format camera system consists of the ALEXA LF camera, ARRI Signature Prime lenses, LPL lens mount and PL-to-LPL Adapter. Featuring a sensor slightly larger than full frame, the ALEXA LF camera records native 4.5K with ARRI’s best overall image quality. This allows filmmakers to explore the immersive large-format aesthetic while retaining the sensor’s natural colorimetry, pleasing skin tones and stunning capability for HDR workflows. Versatile recording formats, including efficient ProRes and uncompressed, unencrypted ARRIRAW up to 150 fps, encompass all on-set workflow requirements.

Although the camera, lens mount and lenses are new, full compatibility with existing PL mount lenses and ALEXA accessories is a cornerstone of the system's design. A PL-to-LPL adapter offers backwards compatibility with all PL mount lenses, be they Super 35 or full frame. The adapter attaches securely to the LPL lens mount without tools, allowing crews to rapidly switch between PL and LPL lenses on set. Cinematographers are therefore offered an unlimited lens choice, with complete lens metadata accessible from LDS-2, LDS-1 or /i lenses.

For even further cross-system compatibility, an LPL lens mount can be fitted to existing ALEXA, ALEXA Mini and AMIRA cameras. ARRI Signature Primes and other future LPL mount lenses can therefore be used for both Super 35 and large format on productions combining the two.

Sensor Type

 

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

 

Sensor Maximum Resolution 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 - 150 fps

 

Weight

 

∼7.8 kg / ∼17.2 lbs (camera body with LPL lens mount)

 

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

 

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°- 358°

 

Recording Formats

 

ARRIRAW (.ari)
Apple ProRes 4444 XQ
Apple ProRes 4444
Apple ProRes 422 HQ
Apple ProRes 422

 

Recording Media

 

SXR Capture Drives
SxS PRO+ Cards

 

Recording Frame Rates

 

LF Open Gate ProRes 4.5K: 0.75 - 60 fps
LF Open Gate ARRIRAW 4.5K: 0.75 - 90 fps
LF 16:9 ProRes HD: 0.75 - 60 fps
LF 16:9 ProRes 2K: 0.75 - 60 fps
LF 16:9 ProRes UHD: 0.75 - 60 fps
LF 16:9 ARRIRAW UHD: 0.75 - 90 fps
LF 2.39:1 ProRes 4.5K: 0.75 - 100 fps
LF 2.39:1 ARRIRAW 4.5K: 0.75 - 150 fps

 

Viewfinder Type

 

Electronic Viewfinder EVF-1 with 235 eyepiece
Electronic Viewfinder EVF-2 with ARRICAM eyepiece

 

Viewfinder Technology

 

EVF-1: F-LCOS viewfinder display
EVF-2: OLED viewfinder display

 

Filters

 

Manual behind the lens FSND filters: Optical Clear, 0.3, 0.6, 0.9, 1.2, 1.5, 1.8, 2.1, 2.4
Fixed optical low pass, UV, IR filter

 

Audio Input

 

1x XLR 5pin balanced stereo line in
(Line input max. level +24dBu correlating to 0dBFS)

 

Audio Output

 

3,5mm stereo headphone jack
SDI (embedded)

 

Audio Recording

 

2 channel linear PCM, 24 bit 48 kHz

 

Remote Control Options

 

Web-based remote control from phones, tablets and laptops via WiFi & Ethernet
WCU-4 hand-unit with control over lens motors and operational
parameters via built-in white radio
Remote Control Unit RCU-4 via Ethernet

 

Interfaces

 

1x LEMO 5pin LTC Timecode In/Out
1x BNC SDI Return In
1x LEMO 16pin EXT for accessories and sync
1x LEMO 10pin Ethernet for remote control and sync
1x SD Card (for user setups, look files etc)
3x Fischer 12pin connectors for CLM lens motors
2x Fischer 5pin LCS Lens Control System connectors for hand units

 

Wireless Interfaces

 

Built-in WiFi module (IEEE 802.11b/g)
Built-in White Radio for ARRI lens and camera remote control
Built-in Wireless Video System: 1920 x 1080, range 600m (2,000 ft)
line of sight, OFDM (Orthogonal Frequency-Division Multiplexing)
Bandwidth 40MHz, latency <1ms

 

Lens Mounts

 

LPL lens mount
PL lens mount

 

Power Input

 

1x Fischer 2pin BAT connector (18.5-34 V DC)
1x On-board battery interface (19.5-34 V DC)

 

Measurements 158 x 201 x 351 mm / 6.22 x 7.91 x 14.33"
(camera body with LPL lens mount)