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ARRI ALEXA Series User Manual

ARRI ALEXA Series
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Main Controls 123
Note: When the voltage level reaches a point 10% below the warning level set
in the POWER menu, the ALEXA displays a battery error message and
recording is unavailable. The camera will read the voltage level as insufficient.
Smart batteries that transmit their remaining load to the camera emit a
warning at 10% remaining capacity and an error at 5% remaining
capacity. Currently, batteries made by ID-X, Bebop, Anton Bauer and
any battery using the TI-protocol support this feature.
External Sync
Note: This functionality is not available on ALEXA HD and ALEXA HD Plus.
Eye index Select to set the Eye index to left (L) or right (R).
The first letter of the Camera ID will be changed to
L or R for stereoscopic productions to identify left
and right eye cameras. The eye index is reflected
in clip names recorded internally.
Sensor sync Select to sync the sensors of two ALEXAs. See
Sensor sync (on page 160) for more information.
Off: The camera is in non-synced mode for
regular use.
EXT master: The camera sends signals to
an EXT SLAVE camera via the EXT
connector containing sync clock and TC
signals.
EXT slave: The camera receives signals
from an EXT MASTER camera containing
sync clock and TC signals through the EXT
connector.
HD out phase Select to adjust the phase of the REC OUT output
in the range of -30 to +30 HD clocks (1 HD clock =
13.4 ns). This can be necessary for 3D applications
with external recorders that require the slave
signal to arrive after the master signal. Shift the
phase backwards (+) on a slave camera or
forwards (-) on a master camera to achieve the
correct signal order.
Send HD sync
When using two cameras in sensor sync mode

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ARRI ALEXA Series Specifications

General IconGeneral
Dynamic Range14+ stops
Resolution4.5K (ALEXA LF), 6.5K (ALEXA 65)
Recording FormatsARRIRAW, Apple ProRes
Lens MountPL mount
ViewfinderOptional EVF (Electronic Viewfinder)
Sensor SizeSuper 35 (most models), Large Format (ALEXA LF, ALEXA 65)
ISO RangeEI 160 - EI 3200 (Base ISO 800)

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