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Introduction to the ALEXA SXT Camera System 13
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great at resolving mixed color temperature sources
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optional mild ARRI Noise Reduction (ANR)
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, as well as custom electronics and
processing software. Carefully crafted by ARRI engineers, these components work
together to produce images with the organic look and feel of film.
The ALEXA has the highest dynamic range of any digital production camera, 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. We have spent enormous resources to ensure ALEXA's outstanding
performance in the critical area between almost overexposed and fully overexposed.
ALEXA footage is (and has been since its introduction in June, 2010) the best starting
point for creating stunning images for the emerging High Dynamic Range (HDR)
display technologies.
By striking a perfect balance between photosite size and number, ALEXA's 3.4K
sensor is able to produce beautiful, natural looking images for HD, 2K, 4K UHD and
4K Cine deliverables.
ALEXA is the only camera on the market with a sensor that is tall enough for
anamorphic lenses to be used just as they were on film cameras. In addition, the
ability to record at up to 120 fps in full image quality means that High Frame Rate
(HFR) shooting can also be accommodated.
ALEXA's high sensitivity and its ability to hold up very well, even when extremely
under or overexposed, work on any real-world set. ALEXA's color processing
was developed by our own color scientists (who have been also 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, aided, when needed, by the mild ARRI Noise Reduction
(ANR).
Our goal is creating the best looking images. When assessing imaging technologies,
we ask if they improve image quality, disregarding the marketing hype.
Efficient and Versatile Workflows
Multiple recording and monitoring options
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record/play back ARRIRAW or ProRes
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multiple recording media
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14 recording formats
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ARRI Look Management
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super flexible on-set monitoring
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embedded rich metadata in ARRIRAW, ProRes and HD-SDI out
In-camera ARRIRAW
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uncompressed, unencrypted raw sensor data
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maximum image quality from ALEXA
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greatest flexibility in post
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best option for future-proof archiving
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published in SMPTE RDD 30:2014 and 31:2014
In-camera Apple ProRes
TM
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compressed color image data
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native Final Cut Pro X support
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