American Cinematographer - May 2015 - 86

New Products & Services
Arri Adds Mini, SXT to
Alexa Family
Arri has unveiled the Alexa
Mini, which combines a compact
and lightweight form factor with
the image quality of the Alexa
camera range. Designed for
specialized shot making, the Alexa
Mini allows crews to eliminate the
complications of integrating thirdparty camera systems into a
production's workflow.
To deliver rugged build quality in the small camera, the Alexa
Mini incorporates a number of unique design solutions. These
include highly integrated and environmentally sealed electronics, a
lightweight carbon housing, and a solid titanium PL mount that
connects directly with the new internal sensor mount to ensure a
super-stable flange focal distance even when using large lenses.
The Alexa Mini can be operated in a number of ways: by
wireless remote control; as a normal camera with the Arri MVF-1
multi viewfinder attached; or with an onboard monitor and the
user-button interface on the camera body. Light enough to be
comfortably held at arm's length in a hand rig, the camera's
compact size and extremely quiet operation also make it ideal for
tight shooting conditions. The symmetrical design permits shooting
in any orientation, including upside down and in portrait mode,
while multiple accessory points enable creative mounting solutions.
Additionally, the Alexa Mini's interchangeable lens mount can be
replaced with any mount designed for the Arri Amira, allowing the
use of B4 video and EF-mount stills lenses.
Equipped with a 4:3 sensor, automatic de-squeeze mode for
anamorphic productions, and frame rates of 0.75-200 fps, the Alexa
Mini records ProRes (including 4K UHD ProRes) or uncompressed
ArriRaw either in-camera to CFast 2.0 cards or to a specially
designed external Codex recorder that can record image streams
from up to four Alexa Minis simultaneously - a useful option for
multi-camera setups such as 360-degree plate shots.

86

May 2015

* SUBMISSION INFORMATION *
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A built-in lens motor controller allows new active lens motors
to be connected directly to the titanium PL mount, while Arri Lens
Data System technology provides frame-accurate metadata that can
save time and money both on set and in post. Wi-Fi connectivity
means that iOS or Android devices can be used to remotely control
camera functions such as the motorized internal ND filters, which
permit rapid responses to changing light conditions without adding
bulk to the camera configuration.
The body design is optimized for use with new-generation
brushless gimbals, multicopters and other specialized rigs. It is
compact enough in the lens direction to allow the use of standard
PL-mount lenses even on lightweight and space-constrained rigs,
such as gyro-stabilized aerial systems. The camera's low-light performance makes it an excellent option for underwater work.
In addition to the Alexa Mini, Arri has also introduced Alexa
SXT (Super Xtended Technology) cameras, which represent the next
step in the continuing evolution of the Alexa family. Alexa SXT
cameras offer ProRes 4K UHD (3840x2160) and ProRes 4K Cine
(4096x2637) recording, improved image quality, powerful color
management, and three fully independent HD-SDI outputs. The full
range will comprise Alexa SXT EV, SXT Plus and SXT Studio models,
replacing the current Alexa XT cameras (though the Alexa Classic EV
will remain in the lineup).
Alexa SXT cameras keep the 3.4K Alev III sensor of previous
Alexas and add the state-of-the-art electronics of Arri's Alexa 65
camera. These high-performance electronics combine the latest
generation of FPGA processors with a lightning-fast internal backplane and form the basis of a completely overhauled image-processing chain, advanced pixel correction and optional noise reduction.
Like their XT predecessors, Alexa SXT cameras retain the Open Gate,
4:3 and 16:9 sensor modes, which can be recorded in ArriRaw or
ProRes.
Utilizing the color-management engine developed for the Arri
Amira camera, the Alexa SXT cameras introduce a new type of look
file, the ALF-2 (Arri Look File 2), which contains an ASC CDL and a
3D LUT. (ALF-2 files and the tools that create them are compatible
between Alexa SXT, Alexa Mini and Amira cameras.) The previewing
of looks on set has also been improved with the option to use the
wide color gamut of Rec 2020 gamma.
The Alexa SXT cameras incorporate an SXR (Super Xtended
Recording) Module; the revised Codex recording engine is similar to
the system that is built into the Alexa 65 and supports the latest SXR
Capture Drives, which offer a 20GB/s data rate. Existing XR Capture
Drives will also work with Alexa SXT cameras. Alexa SXT cameras
also feature a new media bay, developed by Codex, that features
adapters for XR and SXR Capture Drives, SxS cards and CFast 2.0
cards.
For additional information, visit www.arri.com.

American Cinematographer


http://www.arri.com

American Cinematographer - May 2015

Table of Contents for the Digital Edition of American Cinematographer - May 2015

Contents
American Cinematographer - May 2015 - Intro
American Cinematographer - May 2015 - Cover1
American Cinematographer - May 2015 - Cover2
American Cinematographer - May 2015 - 1
American Cinematographer - May 2015 - 2
American Cinematographer - May 2015 - Contents
American Cinematographer - May 2015 - 4
American Cinematographer - May 2015 - 5
American Cinematographer - May 2015 - 6
American Cinematographer - May 2015 - 7
American Cinematographer - May 2015 - 8
American Cinematographer - May 2015 - 9
American Cinematographer - May 2015 - 10
American Cinematographer - May 2015 - 11
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American Cinematographer - May 2015 - 14
American Cinematographer - May 2015 - 15
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American Cinematographer - May 2015 - 20
American Cinematographer - May 2015 - 21
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American Cinematographer - May 2015 - Cover3
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