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ARRI ALEXA LF

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Large Format Camera System
Beschreibung

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.
The two short anamorphic zooms, Optimo 56-152 A2S and Optimo 30-72 A2S, are the lightest and most compact anamorphic zoom lenses ever made.
The Angénieux A2S zoom lenses blend perfectly not only with the complete range of Angénieux lenses, but also with most spherical and anamorphic prime lenses of the market. The cylindrical optical elements are integrated in the rear part of the lens. Their unique mount design allows a quick swap between PL and PV mounts and the focus scale ring is easily interchangeable from feet to meters. They are compatible with the Angenieux Servo Unit.

ALEXA LF Features

ALEXA best overall image quality in large format
  • Large-format aesthetic
  • ARRI color science for natural, pleasing skin tones 
  • Huge dynamic range for most flexibility in post and HDR
  • True 800 ASA with reduced noise
 
Perfect for slow-motion cinematography
  • 90 fps in LF Open Gate & LF 16:9 sensor modes
  • 150 fps in LF 2.39:1 for sensuous slow motion
  •  alexa_lf_features_150fps
Comes with new LPL Lens Mount
  • Large Positive Lock (LPL) lens mount is optimal for large-format lenses
  • Wide diameter (62 mm) and short flange depth (44 mm)
  • Based on robust, reliable and proven PL technology
  • Also available for ALEXA 65, ALEXA Mini and third-party cameras
  • PL-to-LPL Adapter allows compatibility with PL mount lenses
  • Compatible with LDS-1, LDS-2 and /i alexa_lf_lpl_adapter
New Electronic Viewfinder EVF-2
  • Improved image quality
  • Better judging of focus, dynamic range and color
  • High-end ARRICAM eyepiece for clearest picture
  • Wide exit pupil for greater movement range of operator
  • Stable color balance at all ambient temperatures and brightness levels
  • EVF-1 compatibility mode

More flexibility due to wireless design
  • Integrated wireless video, ARRI ECS and WiFi radios
  • No interference between the integrated radios
  • ARRI built-quality & reliability
  • Smaller and lighter than with external transmitters
  • Fewer cables, therefore fewer cable problems, faster setup (power on and go)
  • Accompanied by ARRI wireless video receivers and accessories

Total lens and accessory compatibility


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.

ALEXA LF is based on the proven, robust ALEXA camera design, so most existing accessories will work right out of the box. Since all other features and the user interface are the same as in the ALEXA SXT W—including the integrated wireless video transmitter and the user interface—crews will adapt quickly.

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