All ALEXA cameras provide the best looking digital image with the least
amount of fuss. This is made possible by a unique imaging chain
consisting of a high end optical low pass filter, a custom made CMOS
sensor with Dual Gain Architecture (DGA) and custom electronics and
processing software. These components are carefully crafted by ARRI
so that together they produce images with the organic look and feel of
film. The sensor provides unequalled exposure latitude of 14 stops over
the entire EI range, with special consideration given to a gentle
highlight treatment. Creating a good looking roll-off in the highlights is
probably one of the most difficult tasks for any camera designer and we
have spent enormous resources at insuring ALEXA's outstanding
performance in the critical area between almost overexposed and fully
overexposed. ALEXA's high sensitivity and its ability to hold up very
well even when extremely under- or overexposed speed up work on
any real-world set. ALEXA's color processing was developed by our
own color scientists (who are the same people that have been working
on the ARRILASER and ARRISCAN, so are intimately familiar with both
film and digital color science), and creates clean and natural colors,
especially noticeable in ALEXA's great looking skin tones. The low
noise floor and great color separation helps greatly in color correction
and compositing. Our goal is creating the best looking images, and
when assessing imaging technologies, we always ask if it improves the
image, disregarding the marketing hype. With ALEXA we have, as the
visual effects supervisor of The Avengers put it, created "better pixels".
Efficient and Versatile Workflows
Multiple output options
− ARRIRAW*, ProRes, DNxHD and HD-SDI
− Log C or Rec 709 gamma
− ARRI Look Files for custom looks
− Audio recording
− Metadata embedded in all file formats and outputs
Apple ProRes
− In-camera recording
− Onto SxS PRO cards, CFast 2.0 cards and XR Capture Drives
− All five Apple ProRes codecs
− HD or 2K*, 16:9 or 4:3
− Native Final Cut Pro support
ARRIRAW*
− uncompressed, unencrypted raw sensor data
− greatest image quality from ALEXA
− greatest flexibility in post
− best option for future-proof archiving
DNxHD
− In-camera recording
− Onto SxS PRO cards, CFast 2.0 cards and XR Capture Drives
− MXF wrapped files (SMPTE standard compliant)
− DNxHD 145, DNxHD 220x, DNxHD 444 codecs
− native Avid Media Composer support
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