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Introduction to the ALEXA SXT Camera System 15
ProRes is the native file format used by Apple's Final Cut Pro software. ProRes
provides a high image quality while using compression to reduce file size and thus
costs. Different ProRes flavors are available with different compression ratios (422,
422 HQ, 4444 and 4444 XQ) for a trade-off between image fidelity and file size/
costs. Productions appreciate the immediacy of ProRes, as it can be viewed on any
Mac without special tools and there is an extensive infrastructure readily available to
process ProRes files. ALEXA is capable of pre-recording with all ProRes recording
formats.
The new ARRI Look Management provides comprehensive look management
from pre-production through post-production, protecting the intended look of the
cinematographer in an easy and transparent manner. The new ARRI Color Tool (ACT)
is used to create the new ARRI Look File (ALF-2), which contains a 3D LUT, CDL
values and the name of the target color space. The ALF-2 look file is always stored in
metadata. A software library enables third parties to incorporate this look management
system into their products, leading to exciting new applications, including live on-set
grading, automated dailies and editing with looks.
Special attention has been paid to provide the most flexible on-set monitoring
experience for the crew. Four independent monitoring outputs (the electronic
viewfinder and three HD-SDI outputs) allow each crewmember to customize the
image they need to see. The HD-SDI outputs support Rec 709 and Rec 2020, as well
as Standard Dynamic Range (SDR) and High Dynamic Range (HDR) monitors. In
addition, the ALEXA SXT W camera can be monitored wirelessly with the integrated
HD video transmitter.
All files recorded with ALEXA SXT contain rich metadata that speeds up post-
production. Metadata is also streamed as part of the HD-SDI outputs for immediate
use.
A number of useful online tools and free Mac programs complete the workflow.
So, disregarding if you want to shoot a low budget TV series or Martin Scorsese's next
big Hollywood feature film, ALEXA SXT cameras can be easily configured for the task
at hand.
Simple and Safe Operation
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ARRI Product Quality
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Rugged and reliable
°
sealed electronics compartment
°
unique cooling system
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stable lens mount/sensor holder
°
continuous file closing protects footage
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ARRIRAW checksum for safe and fast downloading
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self-healing metadata
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two auto-switching power inputs
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Intuitive, easy to use controls
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on-camera and EVF-1 controls
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remote control through WCU-4, RCU-4 and Web Remote
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High quality internal Full Spectrum Neutral Density (FSND) filters
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neutral color balance at all densities from ND 0.3 to ND 2.4
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High quality electronic viewfinder
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Powerful assistive displays, including
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surround view
°
anamorphic de-squeeze
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