4 Introduction to ALEXA
ALEXA is a 35 format film-style digital camera made by ARRI, the world
leader in professional cinematographic imaging. It combines leading edge
digital technology with film camera features that have been refined over
more than 90 years of ARRIs history. The result is a camera that allows
cinematographers with a film background to shoot digitally without the need
for a extensive training.
People who are used to shoot digitally will experience a camera like they
never did before, providing more powerful features than in any other camera
available today.
Handling
The camera is a true ARRI. It has a high-precision integrated housing with
an ergonomic design. It is rugged, reliable, flexible and sealed to make it
splash-proof. It also has mounting points for accessories, as ALEXA
integrates well with existing ARRI accessories. In addition, a new range of
accessories specifically designed for ALEXA is available.
Operation
ALEXA features a unique user interface, designed to make camera
operation easier than ever, while giving easy access to a large number of
controls.
There are three different control interfaces:
The main user interface on the right side gives access to every
camera parameter through a graphical display and a button panel.
The operator user interface on the left side for basic control,
adjustable to the operator's individual needs by supplying assignable
buttons in addition to function buttons.
The viewfinder user interface for adjusting the most important image
parameters with buttons on the viewfinder and the interface graphics
overlayed to the viewfinder image.
Power management
The camera accepts any input voltage from 10.5-34 V DC. Different power
sources can be connected to the camera simultaneously. The camera's
power management ensures that the power source with the highest voltage
level is used. Power sources are hot-swappable to minimize the risk of
sudden power loss.
ALEV III sensor
The ALEV III sensor has a horizontal pixel count of 3.5K resulting in true 2K
resolution. It covers the full Super-35 format and it provides a latitude of 14
stops and a base sensitivity of 800 ASA.
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